ANUPAM CHAHAL MD
NPI 1972780146
Internal Medicine - Rheumatology in Manteca, CA

Q: What is Anupam Chahal's NPI number?

The NPI number for Anupam Chahal is 1972780146. It was assigned to this individual provider in the NPPES registry on January 30, 2008.

Q: What is Anupam Chahal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Anupam Chahal was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 30, 2008PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1079 EUCALYPTUS ST, SUITE A, MANTECA, CA 95337(209) 284-4561(209) 284-4562 Get Directions Write a Review

NPPES record last updated: April 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 25, 2017, Jun 28, 2016 (2 updates tracked since 2016).

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About Anupam Chahal Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANUPAM CHAHAL MD (NPI 1972780146) is an individual rheumatology provider in Manteca, California, licensed in California (A121284) and active in the NPI registry since January 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2000).

NPPES Registry Identity

NPI1972780146

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameANUPAM CHAHALCredential: MD

Location Address1079 EUCALYPTUS ST, SUITE AManteca, CA 95337-4317

Mailing Address1079 Eucalyptus St, Suite AManteca, CA 95337-4317 · (209) 284-4561 · Fax (209) 284-4562

Phone(209) 284-4561

Fax(209) 284-4562

Sole ProprietorNo

Medical School CMSOtherGraduated 2000

Enumeration DateJanuary 30, 2008

Last NPPES UpdateApril 15, 20252 updates tracked since enumeration

NPPES CertifiedApril 15, 2025

✔ NPI 1972780146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · A121284

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

Also ListedInternal MedicineTaxonomy 207R00000X · License P22025 (MD), A121284 (CA)

1079 EUCALYPTUS ST, Manteca, CA 95337

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Secondary Practice Locations 2

Location 1530 W Eaton Avenue, Ste CTracy, CA 95376-3454 · Phone (209) 284-4561 · Fax (209) 284-4562

Location 26600 Madison Avenue, Ste 2Carmichael, CA 95608-0645 · Phone (209) 284-4561 · Fax (209) 284-4562

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Anupam Chahal Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9335397850

PECOS Enrollment IDI20120907000044

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Anupam Chahal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Arthritis And Rheumatism Center Inc., A Medical Corporation

Same address

Rheumatology

1079 EUCALYPTUS ST, SUITE A
Manteca, CA 95337

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1477914232 (209) 284-4561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

234,400 services62 patients

Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0129

Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.

35,025 services60 patients

Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg Q5119

Rituximab-pvvr (Ruxience) is a biosimilar medication given via injection. It's used to treat certain types of cancer and autoimmune conditions. It works by targeting specific proteins on cells, helping your body's immune system to destroy them.

4,200 services11 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

2,280 services21 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

1,237 services86 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

856 services376 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

718 services96 patients

Injection, triamcinolone acetonide, not otherwise specified, 10 mg J3301

Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.

692 services88 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

304 services216 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

198 services30 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

105 services105 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

75 services50 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

42 services29 patients

Aspiration and/or injection of fluid from small joint 20600

This procedure involves inserting a thin needle into a small joint to remove (aspirate) or inject fluid. It can help diagnose conditions, relieve discomfort, or administer medication directly into the joint. It's generally safe with minimal discomfort.

25 services22 patients

Telephone medical discussion with physician, 5-10 minutes 99441

A telephone medical discussion with a physician is a brief, 5-10 minute call where you can discuss your health concerns. It's a convenient way to receive medical advice without needing to visit a clinic. It's important to prepare questions in advance to make the most of this time.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95337 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

100

Improvement Activities

Reported Quality Measures

Documentation of Current Medications in the Medical Record

100%339 patients5/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%330 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for Depression and Follow-Up Plan

100%329 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

100%341 patients5/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Functional Status Assessment

100%37 patients5/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Glucocorticoid Management

100%31 patients5/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Periodic Assessment of Disease Activity

100%38 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

WESSON, INC.

Hearing Aid Equipment

1079 EUCALYPTUS ST, SUITE B
MANTECA, CA 95337

San Joaquin County (209) 823-2107

ARTHRITIS AND RHEUMATISM CENTER INC., A MEDICAL CORPORATION

Internal Medicine (Rheumatology)

1079 EUCALYPTUS ST, SUITE A
MANTECA, CA 95337

San Joaquin County (209) 284-4561

DOUGLAS BRYAN WESSON ACA

Hearing Instrument Specialist

1079 EUCALYPTUS ST, SUITE B
MANTECA, CA 95337

San Joaquin County (209) 823-2107

HARDER OPTOMETRY

Optometrist

1079 EUCALYPTUS ST, SUITE B
MANTECA, CA 95337

San Joaquin County (209) 823-2107

FIRST CHOICE PHYSICIAN PARTNERS

Pediatrics

1079 EUCALYPTUS ST, SUITE #A
MANTECA, CA 95337

San Joaquin County (209) 239-6008

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anupam Chahal's NPI number?

The NPI number for Anupam Chahal is 1972780146. It was assigned to this individual provider in the NPPES registry on January 30, 2008.

Where is Anupam Chahal located?

Anupam Chahal practices at 1079 Eucalyptus St Suite A, Manteca, CA 95337. The listed phone number is (209) 284-4561.

What is Anupam Chahal's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Anupam Chahal enrolled in Medicare?

Yes. Anupam Chahal is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Anupam Chahal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anupam Chahal reassigns Medicare benefits to Arthritis And Rheumatism Center Inc., A Medical Corporation (Manteca, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anupam Chahal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anupam Chahal was last updated on April 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.