Shamsah Sonawalla, M.D.
NPI 1275570855 · Psychiatry Physician · Boston, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shamsah Sonawalla, M.D. is a Psychiatry Physician provider in Boston, MA (NPI 1275570855).
Provider details
- NPI number
- 1275570855
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- 205839 (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
174 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 | 119 | $195 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 55 | $102 |
Typical Medicare-allowed amounts for these services range $102–$195 (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 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 90 | 12 |
| Gabapentin | 76 | 11 |
| Sertraline Hcl | 59 | 11 |
| Lorazepam | 49 | — |
| Buspirone Hcl | 36 | — |
| Aripiprazole | 35 | — |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Shamsah Sonawalla's NPI number?
- Shamsah Sonawalla's National Provider Identifier (NPI) is 1275570855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shamsah Sonawalla's specialty?
- Shamsah Sonawalla is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Shamsah Sonawalla located?
- Shamsah Sonawalla's practice location on file with NPPES is 15 Parkman St, Boston, MA 02114-3117.
- What is Shamsah Sonawalla's phone number?
- The practice phone number listed in the NPPES registry for Shamsah Sonawalla is (617) 724-0279.
- Does Shamsah Sonawalla accept Medicare?
- Shamsah Sonawalla is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shamsah Sonawalla's NPI active?
- Yes — Shamsah Sonawalla's NPI (1275570855) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.