Monica Sircar
NPI 1548421696 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Monica Sircar is a Internal Medicine Physician provider in Cambridge, MA (NPI 1548421696).
Provider details
- NPI number
- 1548421696
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
281 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 High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 110 | $199 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 66 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $98 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 18 | $143 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 17 | $101 |
| Administration of Pneumococcal VaccineG0009 | 16 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 98 | 32 |
| Tamsulosin Hcl | 58 | 20 |
| Rosuvastatin Calcium | 48 | 17 |
| Amlodipine Besylate | 43 | 12 |
| Allopurinol | 39 | — |
| Simvastatin | 31 | — |
| Losartan Potassium | 26 | — |
Practice location
Mailing address
Additional practice locations (3)
- 300 Pasteur Dr # S101Stanford, CA 94305-2200Phone: (650) 723-5334
- 55 Fruit StBoston, MA 02114-2621Phone: (617) 726-2000
- 1493 Cambridge StCambridge, MA 02139-1047Phone: (617) 665-1068
Registry dates
- Enumerated
- 2008-06-20
- Last updated
- 2024-11-06
- Certified
- 2024-11-06
Frequently asked questions
- What is Monica Sircar's NPI number?
- Monica Sircar's National Provider Identifier (NPI) is 1548421696, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Sircar's specialty?
- Monica Sircar is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Monica Sircar located?
- Monica Sircar's practice location on file with NPPES is 75 Mount Auburn St, Cambridge, MA 02138-4960.
- What is Monica Sircar's phone number?
- The practice phone number listed in the NPPES registry for Monica Sircar is (617) 495-5711.
- Does Monica Sircar accept Medicare?
- Monica Sircar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Monica Sircar's NPI active?
- Yes — Monica Sircar's NPI (1548421696) is active in the NPPES registry as of the last update on 2024-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.