Provider Profile
Karen A. Johnson, APN
Unclaimed ProfileAbout Karen Johnson
Karen A. Johnson, APN is a nurse practitioner — primary care practicing in Schertz, TX. According to Medicare claims data, Karen cared for 1,392 Medicare patients across 2,322 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, ultrasound study of arm and leg arteries, and injection, dexamethasone sodium phosphate, 1 mg.
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
- (210) 380-1706
- Email not available
Practice Locations
3746 SCHERTZ PKWY STE 100
Schertz, TX 78154
3326 E Southcross Blvd
San Antonio, TX 78223
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Primary Care 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 and skin
- Hives
Blood disorders
- Iron-deficiency anemia
Bone health
- Osteoporosis
Chronic pain
- Fibromyalgia
Digestive health
- Acid reflux
- Constipation
- Fatty liver disease
- Food Intolerances And Sensitivities
- IBS
- Viral gastroenteritis
Ear and balance
- Vertigo
Ear, Nose & Throat
- Ear infection
Endocrine
- Prediabetes
Eye conditions
- Stye
Eye health
- Pink eye
Foot and joint pain
- Heel pain
General health
- Chronic fatigue
Heart health
- High cholesterol
Hormones
- Hypothyroidism
Infections
- Mononucleosis
- Shingles
- Strep throat
Lungs & Breathing
- Acute bronchitis
- Asthma
Men's health
- Erectile dysfunction
- Testosterone deficiency
Mental health
- Adult ADHD
- Anxiety
- Depression
Nerve and back pain
- Sciatica
Nerve conditions
- Carpal tunnel
Neurology
- Migraines
Pain
- Gout
- Lower back pain
- Neck pain
- Osteoarthritis
Sexual health
- Sexually transmitted infections
Skin
- Acne
- Contact dermatitis
- Eczema
- Foot fungus
- Hair loss
- Psoriasis
- Rosacea
Skin infections
- Ringworm
Sleep disorders
- Restless legs syndrome
- Sleep apnea
Sleep health
- Insomnia
Urinary conditions
- Kidney stones
Urinary health
- Painful urination
Weight management
- Obesity
Women's health
- Bacterial vaginosis
- Perimenopause
- Yeast infection
Procedures & services
Most searched procedures
- Annual physical exam
- Routine blood work
- Sick visit
- Sports physical
- Suture removal
- Vaccination
Allergy tests
- Allergy Testing and Shots
Cancer screening
- Colon cancer screening consult
- Mammogram Referral
Consultations
- Medical Marijuana Evaluation
Diabetes care
- Diabetic Foot Care
Diagnostic tests
- Rapid flu test
Ear, Nose & Throat
- Earwax removal
Heart health
- Cholesterol Monitoring Visit
- EKG
Hormones
- Thyroid Check Visit
Infections
- Tick Bite Evaluation
Injections
- Vitamin B12 Injections
Lab tests
- Urine Drug Screen
Lungs & Breathing
- Nebulizer Breathing Treatment
- Spirometry
Mental health
- Depression screening
Minor injury
- Splinting of minor injuries
Minor procedures
- Ingrown Toenail Trimming
- Minor laceration repair
- Minor Wound Dressing
- Stitch Follow-Up And Wound Check
- Superficial foreign-body removal
Minor skin procedures
- Incision and drainage of an abscess
- Mole Check
- Skin biopsy
- Skin Tag Removal
- Wart Removal
Monitoring
- Blood Pressure Check and Monitoring
Pain management
- Joint injection or aspiration
- Trigger Point Injections
Physical exams
- DOT Physical Exam
Prescriptions
- Prescription Refill Visit
Preventative care
- Medicare wellness visit
- Smoking cessation counseling
Preventive health
- Travel Vaccines for Kids
Rapid testing
- Hemoglobin A1c Test
- Rapid COVID-19 test
- Rapid strep testing
Screenings & Clearances
- Camp Or School Physical
- Doctor's Excuse Note
- Pre-Op Clearance Exam
- TB Skin Test
Sexual health
- PrEP consultation
- STI and STD Screening
Sleep
- At-Home Sleep Study Order
Virtual care
- Virtual doctor visit
Weight management
- Weight Loss Medication Consultation
Women's health
- Birth control counseling
- Contraceptive implant insertion and removal
- Hormone Replacement Therapy Consultation
- IUD insertion
- IUD Removal
- Pap smear
- Pregnancy Confirmation Test
Wound and injury care
- Burn Treatment
Procedures Most Often Billed to Medicare
2,322 services · 1,392 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound study of arm and leg arteries | Treatment | 93922 |
255 | Too few peers to compare |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
149 | More than most peers in Nurse Practitioner — Primary Care |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
22 | Less often than most peers in Nurse Practitioner — Primary Care |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
230 | More often than most peers in Nurse Practitioner — Primary Care |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
665 | More than most peers in Nurse Practitioner — Primary Care |
| Face-to-face behavioral counseling for obesity, 15 minutes | Billing code | G0447 |
139 | More than most peers in Nurse Practitioner — Primary Care |
| Advance care planning, first 30 minutes | Office visit | 99497 |
132 | More often than most peers in Nurse Practitioner — Primary Care |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
125 | More than most peers in Nurse Practitioner — Primary Care |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
120 | More than most peers in Nurse Practitioner — Primary Care |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
57 | More often than most peers in Nurse Practitioner — Primary Care |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2009 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Ultrasound study of arm and leg arteries 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Karen A. Johnson?
Karen A. Johnson is a nurse practitioner in Schertz, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Primary Care”.
NPI registry
What is Karen A. Johnson's address?
Karen A. Johnson is listed at 3746 Schertz Pkwy Ste 100, Schertz, TX 78154. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Karen A. Johnson?
The number on file is (210) 380-1706. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Karen A. Johnson's NPI number?
Karen A. Johnson's National Provider Identifier is 1063703510. 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 Karen A. Johnson train?
Karen A. Johnson attended Other, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Karen A. Johnson been practicing?
Karen A. Johnson has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Karen A. Johnson perform?
According to Medicare billing data, Karen A. Johnson provides treatments such as ultrasound study of arm and leg arteries and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Karen A. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Karen A. Johnson. 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.