David Baron, MD
NPI 1376503318 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Baron, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1376503318).
Provider details
- NPI number
- 1376503318
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 73973 (MA)
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
123 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 | 107 | $95 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 16 | $123 |
Typical Medicare-allowed amounts for these services range $95–$123 (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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 294 | 92 |
| Omeprazole | 168 | 45 |
| Amlodipine Besylate | 155 | 48 |
| Lisinopril | 138 | 42 |
| Metformin Hclbrand: Metformin Hcl Er | 128 | 34 |
| Hydrochlorothiazide | 105 | 29 |
| Dulaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2011-12-02
Frequently asked questions
- What is David Baron's NPI number?
- David Baron's National Provider Identifier (NPI) is 1376503318, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Baron's specialty?
- David Baron is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Baron located?
- David Baron's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1047.
- What is David Baron's phone number?
- The practice phone number listed in the NPPES registry for David Baron is (617) 665-1068.
- Does David Baron accept Medicare?
- David Baron is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Baron's NPI active?
- Yes — David Baron's NPI (1376503318) is active in the NPPES registry as of the last update on 2011-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.