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.

IndividualActiveAccepts Medicare

Anupam Chahal, MD

NPI 1972780146 · Rheumatology Physician · Manteca, CA

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)

Practice location

1079 Eucalyptus St

Suite a

Manteca, CA 95337-4317

Phone: (209) 284-4561

Fax: (209) 284-4562

Street-level locationGet directions

More CA providers

Mailing address

1079 Eucalyptus St

Manteca, CA 95337-4317

Specialties & taxonomies

Rheumatology PhysicianPrimary207RR0500XLicense A121284 (CA)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense P22025 (MD)
Allopathic & Osteopathic Physicians
Internal Medicine Physician207R00000XLicense A121284 (CA)
Allopathic & Osteopathic Physicians

Additional practice locations (2)

6600 Madison Avenue
Ste 2
Carmichael, CA 95608-0645
Phone: (209) 284-4561
Fax: (209) 284-4562
530 W Eaton Avenue
Ste C
Tracy, CA 95376-3454
Phone: (209) 284-4561
Fax: (209) 284-4562

Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

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 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)
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.

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.

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

Drug

Part D claims (2024)

Beneficiaries

Prednisone

1,003

243

Hydroxychloroquine Sulfate

828

236

Methotrexate Sodiumbrand: Methotrexate

567

155

Gabapentin

188

Leflunomide

105

Allopurinol

Celecoxib

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$3,241 across 154 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Additional practice locations (2)

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Additional practice locations (2)

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments