Yi-Wen Ma, NP
NPI 1790406759 · Family Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Yi-Wen Ma, NP is a Family Nurse Practitioner provider in New York, NY (NPI 1790406759).
Provider details
- NPI number
- 1790406759
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 350117 (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 tenure25% of score
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
13 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 13 | $171 |
Typical Medicare-allowed amounts for these services range $171–$171 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Valacyclovir Hclbrand: Valacyclovir | 159 | 41 |
| Lenalidomide | 137 | 46 |
| Lenalidomidebrand: Revlimid | 75 | 25 |
| Pomalidomidebrand: Pomalyst | 72 | 18 |
| Acyclovir | 54 | 17 |
| Apixabanbrand: Eliquis | 40 | — |
| Pantoprazole Sodium | 39 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-09-08
- Last updated
- 2022-11-09
- Certified
- 2022-11-09
Frequently asked questions
- What is Yi-Wen Ma's NPI number?
- Yi-Wen Ma's National Provider Identifier (NPI) is 1790406759, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Yi-Wen Ma's specialty?
- Yi-Wen Ma is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Yi-Wen Ma located?
- Yi-Wen Ma's practice location on file with NPPES is 161 Fort Washington Ave, New York, NY 10032-3729.
- What is Yi-Wen Ma's phone number?
- The practice phone number listed in the NPPES registry for Yi-Wen Ma is (877) 426-5637.
- Does Yi-Wen Ma accept Medicare?
- Yi-Wen Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Yi-Wen Ma's NPI active?
- Yes — Yi-Wen Ma's NPI (1790406759) is active in the NPPES registry as of the last update on 2022-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.