Sunanda Chatterjee, MD
NPI 1265491641 · Anatomic Pathology & Clinical Pathology Physician · South El Monte, CA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sunanda Chatterjee, MD is a Anatomic Pathology & Clinical Pathology Physician provider in South El Monte, CA (NPI 1265491641).
Provider details
- NPI number
- 1265491641
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A78811 (CA)
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
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
367 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 82 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 74 | $28 |
| Special Stained Specimen Slides to Examine Tissue Including Interpretation and Report88313 | 72 | $12 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 53 | $27 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 21 | $35 |
| Blood Smear Interpretation By Physician With Written Report85060 | 19 | $24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-22
- Last updated
- 2025-09-11
Frequently asked questions
- What is Sunanda Chatterjee's NPI number?
- Sunanda Chatterjee's National Provider Identifier (NPI) is 1265491641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sunanda Chatterjee's specialty?
- Sunanda Chatterjee is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Sunanda Chatterjee located?
- Sunanda Chatterjee's practice location on file with NPPES is 1701 Santa Anita Ave, South El Monte, CA 91733-3482.
- What is Sunanda Chatterjee's phone number?
- The practice phone number listed in the NPPES registry for Sunanda Chatterjee is (626) 570-6597.
- Does Sunanda Chatterjee accept Medicare?
- Sunanda Chatterjee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sunanda Chatterjee's NPI active?
- Yes — Sunanda Chatterjee's NPI (1265491641) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.