Thomas Lynch, M.D.
NPI 1659312791 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Lynch, M.D. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1659312791).
Provider details
- NPI number
- 1659312791
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0042196 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,584 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 758 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 521 | $84 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 105 | $15 |
| Administration of Influenza Virus VaccineG0008 | 86 | $34 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 61 | $89 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 169 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 598 | 167 |
| Rosuvastatin Calcium | 460 | 131 |
| Amlodipine Besylate | 361 | 97 |
| Losartan Potassium | 333 | 86 |
| Metoprolol Succinate | 313 | 88 |
| Simvastatin | 249 | 63 |
| Lisinopril |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-09
- Last updated
- 2016-03-21
Frequently asked questions
- What is Thomas Lynch's NPI number?
- Thomas Lynch's National Provider Identifier (NPI) is 1659312791, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Lynch's specialty?
- Thomas Lynch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Lynch located?
- Thomas Lynch's practice location on file with NPPES is 301 St. Paul Place, Baltimore, MD 21202-2102.
- What is Thomas Lynch's phone number?
- The practice phone number listed in the NPPES registry for Thomas Lynch is (410) 332-9615.
- Does Thomas Lynch accept Medicare?
- Thomas Lynch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Lynch's NPI active?
- Yes — Thomas Lynch's NPI (1659312791) is active in the NPPES registry as of the last update on 2016-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.