Provider Profile
Maureen U. Welker, MSN, NPC, CCRN
Unclaimed ProfileAbout Maureen Welker
Listed in the NPI registry as a nurse practitioner — family, Maureen U. Welker, MSN, NPC, CCRN practices in Mission Viejo, CA. According to Medicare claims data, Maureen cared for 219 Medicare patients across 59,867 services. The services billed most often include injection, tocilizumab, 1 mg, injection, inclisiran, 1 mg, and injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered).
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (929) 364-7246
- Email not available
Practice Locations
26800 CROWN VALLEY PKWY SUITE 330
Mission Viejo, CA 92691
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
59,867 services · 219 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
190 | More often than most peers in Nurse Practitioner, Family |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
138 | More often than most peers in Nurse Practitioner, Family |
| Infusion into a vein for therapy, prevention, or diagnosis, each additional hour | Treatment | 96366 |
126 | As often as other peers in Nurse Practitioner, Family |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
78 | More often than most peers in Nurse Practitioner, Family |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
45 | As often as other peers in Nurse Practitioner, Family |
| Injection, tocilizumab, 1 mg | Drug given | J3262 |
47,160 | More often than most peers in Nurse Practitioner, Family |
| Injection, inclisiran, 1 mg | Drug given | J1306 |
5,680 | Less often than most peers in Nurse Practitioner, Family |
| Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | Drug given | J0129 |
3,150 | As often as other peers in Nurse Practitioner, Family |
| Injection, infliximab, excludes biosimilar, 10 mg | Drug given | J1745 |
1,920 | As often as other peers in Nurse Practitioner, Family |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,380 | Less often than most 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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 32 related providers in 4 groups
Other nurse practitioners in Mission Viejo 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1998 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Maureen U. Welker, MSN, NPC?
Maureen U. Welker, MSN, NPC is a nurse practitioner in Mission Viejo, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is Maureen U. Welker, MSN, NPC's address?
Maureen U. Welker, MSN, NPC is listed at 26800 Crown Valley Pkwy Suite 330, Mission Viejo, CA 92691. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Maureen U. Welker, MSN, NPC?
The number on file is (929) 364-7246. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Maureen U. Welker, MSN, NPC's NPI number?
Maureen U. Welker, MSN, NPC's National Provider Identifier is 1386608438. 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 Maureen U. Welker, MSN, NPC train?
Maureen U. Welker, MSN, NPC attended Other, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
How long has Maureen U. Welker, MSN, NPC been practicing?
Maureen U. Welker, MSN, NPC has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
What procedures does Maureen U. Welker, MSN, NPC perform?
According to Medicare billing data, Maureen U. Welker, MSN, NPC provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less and injection of drug or substance under skin or into muscle. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Maureen U. Welker, MSN, NPC confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maureen U. Welker, MSN, NPC. 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.