Raj Gupta, M.D.
NPI 1346215605 · Internal Medicine Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raj Gupta, M.D. is a Internal Medicine Physician provider in Chelmsford, MA (NPI 1346215605).
Provider details
- NPI number
- 1346215605
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 76787 (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
177 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 41 | $9 |
| Hemoglobin A1c Level83036 | 28 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 20 | $144 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 20 | $54 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 18 | $13 |
| Blood Creatinine Level82565 | 13 | $5 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 175 | 73 |
| Simvastatin | 141 | 60 |
| Amlodipine Besylate | 129 | 46 |
| Lisinopril | 125 | 52 |
| Losartan Potassium | 70 | 30 |
| Levothyroxine Sodium | 65 | 32 |
| Omeprazole | 59 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-21
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Raj Gupta's NPI number?
- Raj Gupta's National Provider Identifier (NPI) is 1346215605, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raj Gupta's specialty?
- Raj Gupta is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Raj Gupta located?
- Raj Gupta's practice location on file with NPPES is 228 Billerica Rd, Chelmsford, MA 01824-3604.
- What is Raj Gupta's phone number?
- The practice phone number listed in the NPPES registry for Raj Gupta is (978) 250-6100.
- Does Raj Gupta accept Medicare?
- Raj Gupta is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raj Gupta's NPI active?
- Yes — Raj Gupta's NPI (1346215605) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.