Gautam Ganguly, M.D.
NPI 1215912522 · Neurology Physician · Whittier, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gautam Ganguly, M.D. is a Neurology Physician provider in Whittier, CA (NPI 1215912522).
Provider details
- NPI number
- 1215912522
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- A69058 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
937 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970 | 214 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 203 | $128 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 105 | $91 |
| Ultrasound of Both Sides of Head and Neck Blood Flow93880 | 85 | $36 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 78 | $75 |
| Complete Ultrasound Study of Arm and Leg Arteries93923 | 52 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 202 | 55 |
| Levetiracetam | 201 | 41 |
| Memantine Hcl | 187 | 46 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 151 | 40 |
| Donepezil Hcl | 132 | 34 |
| Topiramate | 72 | 13 |
| Citalopram Hydrobromidebrand: Citalopram Hbr | 51 | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,271 across 90 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-08
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gautam Ganguly's NPI number?
- Gautam Ganguly's National Provider Identifier (NPI) is 1215912522, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gautam Ganguly's specialty?
- Gautam Ganguly is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Gautam Ganguly located?
- Gautam Ganguly's practice location on file with NPPES is 12291 Washington Blvd, Whittier, CA 90606-2500.
- What is Gautam Ganguly's phone number?
- The practice phone number listed in the NPPES registry for Gautam Ganguly is (562) 698-6296.
- Does Gautam Ganguly accept Medicare?
- Gautam Ganguly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gautam Ganguly's NPI active?
- Yes — Gautam Ganguly's NPI (1215912522) 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.