Rekha Sundar, M.D.
NPI 1356308597 · Internal Medicine Physician · Chelmsford, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rekha Sundar, M.D. is a Internal Medicine Physician provider in Chelmsford, MA (NPI 1356308597).
Provider details
- NPI number
- 1356308597
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209379 (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
504 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 | 197 | $140 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 121 | $99 |
| Hemoglobin A1c Level83036 | 96 | $10 |
| Administration of Influenza Virus VaccineG0008 | 31 | $35 |
| Assessment of Emotional Or Behavioral Problems96127 | 21 | $5 |
| Administration of Pneumococcal VaccineG0009 | 15 | $35 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 376 | 111 |
| Lisinopril | 236 | 63 |
| Amlodipine Besylate | 234 | 64 |
| Levothyroxine Sodium | 161 | 37 |
| Losartan Potassium | 128 | 38 |
| Metformin Hclbrand: Metformin Hcl Er | 126 | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2017-03-30
Frequently asked questions
- What is Rekha Sundar's NPI number?
- Rekha Sundar's National Provider Identifier (NPI) is 1356308597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rekha Sundar's specialty?
- Rekha Sundar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Rekha Sundar located?
- Rekha Sundar's practice location on file with NPPES is 3 Meeting House Rd, Chelmsford, MA 01824-2738.
- What is Rekha Sundar's phone number?
- The practice phone number listed in the NPPES registry for Rekha Sundar is (978) 323-2826.
- Does Rekha Sundar accept Medicare?
- Rekha Sundar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rekha Sundar's NPI active?
- Yes — Rekha Sundar's NPI (1356308597) is active in the NPPES registry as of the last update on 2017-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.