Ying Ma, NP
NPI 1326403809 · Nurse Practitioner · Medford, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ying Ma, NP is a Nurse Practitioner provider in Medford, MA (NPI 1326403809).
Provider details
- NPI number
- 1326403809
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- RN271448 (MA)
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
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
145 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 67 | $59 |
| Removal of Impacted Ear Wax69210 | 26 | $28 |
| Removal of Impacted Cerumen (one Or Both Ears) By Physician on Same Date of Service As Audiologic Function TestingG0268 | 21 | $28 |
| Comprehensive Hearing and Speech Recognition Test92557 | 16 | $29 |
| Test to Assess Middle Ear Function92567 | 15 | $10 |
Typical Medicare-allowed amounts for these services range $10–$59 (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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 66 | 25 |
| Fluticasone Propionate | 61 | 28 |
| Omeprazole | 54 | 22 |
| Azelastine Hcl | 43 | 16 |
| Ipratropium Bromide | 29 | 13 |
| Apixabanbrand: Eliquis | 23 | — |
| Montelukast Sodium | 21 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$613 across 13 records (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
Additional practice locations (1)
- Semc - Department of Otolaryngology 8th Flr736 Cambridge StreetBrighton, MA 02135Phone: (617) 789-5004
Registry dates
- Enumerated
- 2015-12-28
- Last updated
- 2025-03-14
- Certified
- 2025-03-11
Frequently asked questions
- What is Ying Ma's NPI number?
- Ying Ma's National Provider Identifier (NPI) is 1326403809, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ying Ma's specialty?
- Ying Ma is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ying Ma located?
- Ying Ma's practice location on file with NPPES is 170 Governors Ave, Medford, MA 02155-1643.
- What is Ying Ma's phone number?
- The practice phone number listed in the NPPES registry for Ying Ma is (781) 979-2424.
- Does Ying Ma accept Medicare?
- Ying Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ying Ma's NPI active?
- Yes — Ying Ma's NPI (1326403809) is active in the NPPES registry as of the last update on 2025-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.