Ambika Srivastava, MD
NPI 1801162607 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ambika Srivastava, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1801162607).
Provider details
- NPI number
- 1801162607
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 265609 (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
14 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
231 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 | 93 | $85 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 45 | $121 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $65 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 36 | $18 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 16 | $71 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 307 | 73 |
| Famotidine | 142 | 40 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 138 | 41 |
| Metformin Hclbrand: Metformin Hcl Er | 136 | 34 |
| Amlodipine Besylate | 113 | 34 |
| Omeprazole | 108 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2016-10-14
Frequently asked questions
- What is Ambika Srivastava's NPI number?
- Ambika Srivastava's National Provider Identifier (NPI) is 1801162607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ambika Srivastava's specialty?
- Ambika Srivastava is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ambika Srivastava located?
- Ambika Srivastava's practice location on file with NPPES is 1493 Cambridge St, Cambridge, MA 02139-1047.
- What is Ambika Srivastava's phone number?
- The practice phone number listed in the NPPES registry for Ambika Srivastava is (617) 665-1068.
- Does Ambika Srivastava accept Medicare?
- Ambika Srivastava is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ambika Srivastava's NPI active?
- Yes — Ambika Srivastava's NPI (1801162607) is active in the NPPES registry as of the last update on 2016-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.