Lynn Ma, MD
NPI 1043834310 · Family Medicine Physician · Willow Street, PA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lynn Ma, MD is a Family Medicine Physician provider in Willow Street, PA (NPI 1043834310).
Provider details
- NPI number
- 1043834310
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD480463 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
6 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
703 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 277 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 159 | $86 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 147 | $7 |
| Administration of Influenza Virus VaccineG0008 | 26 | $31 |
| Administration of Pneumococcal VaccineG0009 | 25 | $31 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 17 | $195 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 282 | 101 |
| Levothyroxine Sodium | 175 | 61 |
| Amlodipine Besylate | 152 | 60 |
| Hydrochlorothiazide | 134 | 54 |
| Losartan Potassium | 127 | 53 |
| Lisinopril | 101 | 42 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$295 across 5 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
Registry dates
- Enumerated
- 2020-06-03
- Last updated
- 2024-03-21
- Certified
- 2024-03-21
Frequently asked questions
- What is Lynn Ma's NPI number?
- Lynn Ma's National Provider Identifier (NPI) is 1043834310, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lynn Ma's specialty?
- Lynn Ma is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lynn Ma located?
- Lynn Ma's practice location on file with NPPES is 2605 Willow Street Pike N, Willow Street, PA 17584-9510.
- What is Lynn Ma's phone number?
- The practice phone number listed in the NPPES registry for Lynn Ma is (717) 464-2838.
- Does Lynn Ma accept Medicare?
- Lynn Ma is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lynn Ma's NPI active?
- Yes — Lynn Ma's NPI (1043834310) is active in the NPPES registry as of the last update on 2024-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.