Provider Profile
Catherine Tierney, CRNP
Unclaimed ProfileAbout Catherine Tierney
Catherine Tierney, CRNP is a nurse practitioner — family based in Gaithersburg, MD. According to Medicare claims data, Catherine cared for 368 Medicare patients across 379 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (301) 926-3020
- Email not available
Practice Locations
12111 DARNESTOWN RD
Gaithersburg, MD 20878
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Common cold
- Diabetes
- Flu
- High blood pressure
- Sinus infection
- UTI
Allergies
- Seasonal allergies
Allergy & skin
- Hives
Blood disorders
- Iron-deficiency anemia
Bone & joint
- Osteoporosis
Dermatology
- Head lice
- Precancerous sun spot
- Psoriasis
- Ringworm
- Rosacea
Digestive
- Celiac disease
- Constipation
- Hemorrhoids
Digestive health
- Acid reflux
- IBS
- Viral gastroenteritis
Eye conditions
- Pink eye
Heart health
- High cholesterol
Hormones & endocrine
- Hypothyroidism
Infections
- COVID-19
- Ear infection
- Herpes simplex of the skin
- Mononucleosis
- Shingles
- Strep throat
Men's health
- Testosterone deficiency
Mental health
- ADHD
- Anxiety
- Depression
Metabolic & weight
- Obesity
Nerve & joint
- Carpal tunnel
Nerve & spine
- Sciatica
Neurological
- Vertigo
Pain
- Gout
- Heel pain
- Lower back pain
- Migraines
- Osteoarthritis
Pain & spine
- Neck pain
Pediatric infections
- Hand, foot, and mouth disease
Respiratory
- Acute bronchitis
- Asthma
- Chronic cough
- Community-acquired pneumonia
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Poison Ivy
Sleep
- Insomnia
Urinary health
- Overactive bladder
Women's health
- Bacterial vaginosis
- Heavy periods
- Perimenopause
- Yeast infection
Procedures & services
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergies
- Allergy testing
Chronic condition care
- Chronic disease management visit
- Diabetic Foot Care
Dermatology
- Cryotherapy for skin spots
Diagnostic screening
- Bone density scan ordering
- Colon cancer screening ordering
- Mammogram ordering
Diagnostic tests
- Rapid flu test
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Hormones & endocrine
- Hormone Replacement Therapy Consultation
Injections
- Vitamin B12 Injections
Injury care
- Sprain and Strain Care
Lab tests
- Cholesterol screening
- COVID-19 testing
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Lifestyle counseling
- Smoking cessation counseling
Mental health
- Mental Health Evaluation
Minor procedures
- Burn and Wound Care
- Incision and drainage of an abscess
- Ingrown toenail removal
- Superficial foreign-body removal
Minor surgery
- Minor laceration repair
Neurological care
- Concussion evaluation
Occupational health
- DOT Physical
Pain management
- Joint injection or aspiration
- Trigger Point Injections
Physical exams
- School Physical
Prescriptions
- Prescription Refill
Preventative care
- Medicare annual wellness visit
- Travel Vaccines for Kids
- Well-child visit
Preventative exams
- Camp Physical
- Pre-Op Clearance Exam
Respiratory care
- Breathing Treatment
Screenings
- TB test
Sexual health
- PrEP consultation
- STD Swabs and Screening
Skin procedures
- Mole Check
- Skin biopsy
- Skin Tag Removal
- Wart Removal
Sleep
- At-Home Sleep Study Ordering
Urgent care
- Splinting of minor injuries
- Tick Removal
Weight management
- Weight Loss Injections and Medication
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- IUD insertion and removal
- Pap smear
- Pregnancy Confirmation Test
- Well-woman exam
Procedures Most Often Billed to Medicare
379 services · 368 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
22 | Less often than most peers in Nurse Practitioner, Family |
| X-ray of chest, 2 views | Imaging | 71046 |
12 | Less often than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
93 | More often than most peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
55 | More than most peers in Nurse Practitioner, Family |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
33 | More often than most peers in Nurse Practitioner, Family |
| Detection test by immunoassay with direct visual observation for influenza virus | Lab test | 87804 |
22 | Less often than most peers in Nurse Practitioner, Family |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
20 | More than most peers in Nurse Practitioner, Family |
| Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus | Lab test | 87637 |
19 | As often as other peers in Nurse Practitioner, Family |
| Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus | Lab test | 87426 |
19 | As often as other peers in Nurse Practitioner, Family |
| Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | Lab test | 87651 |
18 | As often as other peers in Nurse Practitioner, Family |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other nurse practitioners in Gaithersburg 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound measurement of bladder capacity after voiding 8
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Catherine Tierney?
Catherine Tierney is a nurse practitioner in Gaithersburg, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is Catherine Tierney's address?
Catherine Tierney is listed at 12111 Darnestown Rd, Gaithersburg, MD 20878. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Catherine Tierney?
The number on file is (301) 926-3020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Catherine Tierney's NPI number?
Catherine Tierney's National Provider Identifier is 1699127936. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Catherine Tierney train?
Catherine Tierney attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Catherine Tierney been practicing?
Catherine Tierney has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What procedures does Catherine Tierney perform?
According to Medicare billing data, Catherine Tierney performs procedures including ultrasound measurement of bladder capacity after voiding; reads or performs imaging such as x-ray of chest, 2 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Catherine Tierney confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Catherine Tierney. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.