Rhea Chattopadhyay, MD - Medicare Obstetrics & Gynecology in San Ramon, CA

Rhea Chattopadhyay, MD is a medicare enrolled "Obstetrics & Gynecology - Reproductive Endocrinology" physician in San Ramon, California. Her current practice location is 2300 Camino Ramon Fl 1, San Ramon, California. You can reach out to her office (for appointments etc.) via phone at (510) 248-6900.

Rhea Chattopadhyay is licensed to practice in California (license number A178029) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1508308040.

Contact Information

Rhea Chattopadhyay, MD
2300 Camino Ramon Fl 1,
San Ramon, CA 94583-1354
(510) 248-6900
Not Available

Map and Direction




Physician's Profile

Full NameRhea Chattopadhyay
GenderFemale
SpecialityObstetrics & Gynecology - Reproductive Endocrinology
Location2300 Camino Ramon Fl 1, San Ramon, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1508308040
  • Provider Enumeration Date: 11/15/2016
  • Last Update Date: 09/13/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 6800229493
  • Enrollment ID: I20230620000282

Medical Identifiers

Medical identifiers for Rhea Chattopadhyay such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1508308040NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology 35.137589 (Ohio)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207VE0102XObstetrics & Gynecology - Reproductive Endocrinology A178029 (California)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Rhea Chattopadhyay allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Rhea Chattopadhyay is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Rhea Chattopadhyay, MD
2300 Camino Ramon Fl 1,
San Ramon, CA 94583-1354

Ph: (510) 248-6900
Rhea Chattopadhyay, MD
2300 Camino Ramon Fl 1,
San Ramon, CA 94583-1354

Ph: (510) 248-6900

Reviews and Comments


Obstetrics & Gynecology Doctors in San Ramon, CA

Dr. Helen E. Matthews, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1081 Market Pl, Suite 500, San Ramon, CA 94583
Phone: 925-452-6644    Fax: 925-452-6685
Dr. Mark William Lee Lollar, MD
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Medicare: Not Enrolled in Medicare
Practice Location: 5201 Norris Canyon Rd, #310, San Ramon, CA 94583
Phone: 925-327-1500    Fax: 925-327-1900
Dr. Sadaf Samizay, M.D.
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Practice Location: 5601 Norris Canyon Rd, San Ramon, CA 94583
Phone: 925-587-4808    
Dr. Renee Simone Hilliard, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5201 Norris Canyon Rd, #310, San Ramon, CA 94583
Phone: 925-327-1500    Fax: 925-327-1900
Sara Pittenger Reid, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 100 Park Pl Ste 200, San Ramon, CA 94583
Phone: 925-867-1800    
Ramya Sethuram, MD
Obstetrics & Gynecology
Medicare: Not Enrolled in Medicare
Practice Location: 100 Park Pl Ste 200, San Ramon, CA 94583
Phone: 925-867-1800    
Dr. Joanne R. Vogel, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 11030 Bollinger Canyon Rd, Suite 250, San Ramon, CA 94582
Phone: 925-736-0110    Fax: 925-736-0120

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.