Anupam Chahal, MD
NPI 1972780146 · Rheumatology Physician · Manteca, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anupam Chahal, MD is a Rheumatology Physician provider in Manteca, CA (NPI 1972780146).
Provider details
- NPI number
- 1972780146
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- P22025 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,605 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) |
|---|---|---|
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 1,237 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 856 | $133 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 718 | $141 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 304 | $94 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 198 | $30 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 1,003 | 243 |
| Hydroxychloroquine Sulfate | 828 | 236 |
| Methotrexate Sodiumbrand: Methotrexate | 567 | 155 |
| Gabapentin | 188 | 53 |
| Leflunomide | 105 | 32 |
| Allopurinol | 83 | 25 |
| Celecoxib | 83 | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,241 across 154 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
Additional practice locations (2)
- 6600 Madison AvenueSte 2Carmichael, CA 95608-0645Phone: (209) 284-4561Fax: (209) 284-4562
- 530 W Eaton AvenueSte CTracy, CA 95376-3454Phone: (209) 284-4561Fax: (209) 284-4562
Registry dates
- Enumerated
- 2008-01-30
- Last updated
- 2025-04-15
- Certified
- 2025-04-15
Frequently asked questions
- What is Anupam Chahal's NPI number?
- Anupam Chahal's National Provider Identifier (NPI) is 1972780146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anupam Chahal's specialty?
- Anupam Chahal is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Anupam Chahal located?
- Anupam Chahal's practice location on file with NPPES is 1079 Eucalyptus St, Manteca, CA 95337-4317.
- What is Anupam Chahal's phone number?
- The practice phone number listed in the NPPES registry for Anupam Chahal is (209) 284-4561.
- Does Anupam Chahal accept Medicare?
- Anupam Chahal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anupam Chahal's NPI active?
- Yes — Anupam Chahal's NPI (1972780146) is active in the NPPES registry as of the last update on 2025-04-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.