Sonia Ananthakrishnan, M.D.
NPI 1912026543 · Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sonia Ananthakrishnan, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Boston, MA (NPI 1912026543).
Provider details
- NPI number
- 1912026543
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 221803 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
152 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 63 | $124 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 61 | $102 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 14 | $28 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 14 | $181 |
Typical Medicare-allowed amounts for these services range $28–$181 (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 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 207 | 51 |
| Hydrocortisone | 94 | 15 |
| Metformin Hcl | 74 | 21 |
| Dulaglutidebrand: Trulicity | 68 | 11 |
| Alendronate Sodium | 43 | — |
| Amlodipine Besylate | 41 | 13 |
| Lisinopril | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2023-12-19
- Certified
- 2023-12-19
Frequently asked questions
- What is Sonia Ananthakrishnan's NPI number?
- Sonia Ananthakrishnan's National Provider Identifier (NPI) is 1912026543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Ananthakrishnan's specialty?
- Sonia Ananthakrishnan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Sonia Ananthakrishnan located?
- Sonia Ananthakrishnan's practice location on file with NPPES is 732 Harrison Ave, Fl 2, Boston, MA 02118-2309.
- What is Sonia Ananthakrishnan's phone number?
- The practice phone number listed in the NPPES registry for Sonia Ananthakrishnan is (617) 638-7470.
- Does Sonia Ananthakrishnan accept Medicare?
- Sonia Ananthakrishnan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sonia Ananthakrishnan's NPI active?
- Yes — Sonia Ananthakrishnan's NPI (1912026543) is active in the NPPES registry as of the last update on 2023-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.