Margaret Welker, NP
NPI 1427676170 · Nurse Practitioner · Rochester, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Welker, NP is a Nurse Practitioner provider in Rochester, NY (NPI 1427676170).
Provider details
- NPI number
- 1427676170
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 346116 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
5 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
79 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 38 | $53 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 30 | $78 |
| Biopsy and Aspiration of Bone Marrow Sample for Diagnosis38222 | 11 | $60 |
Typical Medicare-allowed amounts for these services range $53–$78 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 89 | 22 |
| Hydroxyurea | 60 | 18 |
| Ciprofloxacin Hcl | 42 | 12 |
| Fluconazole | 40 | — |
| Allopurinol | 25 | — |
| Venetoclaxbrand: Venclexta | 16 | — |
| Cefpodoxime Proxetil | 15 | — |
| Prednisone | 12 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-07-09
- Last updated
- 2020-07-09
- Certified
- 2020-07-09
Frequently asked questions
- What is Margaret Welker's NPI number?
- Margaret Welker's National Provider Identifier (NPI) is 1427676170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Welker's specialty?
- Margaret Welker is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Welker located?
- Margaret Welker's practice location on file with NPPES is 601 Elmwood Ave, Rochester, NY 14642-0001.
- What is Margaret Welker's phone number?
- The practice phone number listed in the NPPES registry for Margaret Welker is (585) 275-5830.
- Does Margaret Welker accept Medicare?
- Margaret Welker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Welker's NPI active?
- Yes — Margaret Welker's NPI (1427676170) is active in the NPPES registry as of the last update on 2020-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.