Sudha Ganguli, M.D.
NPI 1639399769 · Specialist · Memphis, TN
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sudha Ganguli, M.D. is a Specialist provider in Memphis, TN (NPI 1639399769).
Provider details
- NPI number
- 1639399769
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 43026 (TN)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
967 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 864 | $113 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 58 | $87 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 45 | $148 |
Typical Medicare-allowed amounts for these services range $87–$148 (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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 1,024 | 382 |
| Methotrexate Sodiumbrand: Methotrexate | 915 | 260 |
| Hydroxychloroquine Sulfate | 791 | 230 |
| Tizanidine Hcl | 398 | 127 |
| Leflunomide | 366 | 118 |
| Hydrocortisone | 337 | 189 |
| Folic Acid | 161 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$446 across 33 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
- 2007-04-30
- Last updated
- 2008-08-27
Frequently asked questions
- What is Sudha Ganguli's NPI number?
- Sudha Ganguli's National Provider Identifier (NPI) is 1639399769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sudha Ganguli's specialty?
- Sudha Ganguli is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Sudha Ganguli located?
- Sudha Ganguli's practice location on file with NPPES is 388 S Pauline St, Memphis, TN 38104-6219.
- What is Sudha Ganguli's phone number?
- The practice phone number listed in the NPPES registry for Sudha Ganguli is (901) 525-0278.
- Does Sudha Ganguli accept Medicare?
- Sudha Ganguli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sudha Ganguli's NPI active?
- Yes — Sudha Ganguli's NPI (1639399769) is active in the NPPES registry as of the last update on 2008-08-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.