Dr Usha Rengarajan, MD - Medicare Emergency Medicine in Fremont, CA

Dr Usha Rengarajan, MD is a medicare enrolled "Emergency Medicine" physician in Fremont, California. Her current practice location is 3200 Kearney St, Fremont, California. You can reach out to her office (for appointments etc.) via phone at (510) 490-1222.

Dr Usha Rengarajan is licensed to practice in California (license number C185229) 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 1053491910.

Contact Information

Dr Usha Rengarajan, MD
3200 Kearney St,
Fremont, CA 94538-2299
(510) 490-1222
Not Available



Physician's Profile

Full NameDr Usha Rengarajan
GenderFemale
SpecialityEmergency Medicine
Location3200 Kearney St, Fremont, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1053491910
  • Provider Enumeration Date: 10/16/2006
  • Last Update Date: 08/01/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 4284717000
  • Enrollment ID: I20230816004283

Medical Identifiers

Medical identifiers for Dr Usha Rengarajan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1053491910NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine C185229 (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. Dr Usha Rengarajan allows following entities to bill medicare on her behalf.
Entity NameAmerican Current Care Of California A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750573622
PECOS PAC ID: 5799854303
Enrollment ID: O20080522000420

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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. Dr Usha Rengarajan 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
Dr Usha Rengarajan, MD
325 Distel Cir,
Los Altos, CA 94022-1408

Ph: (510) 490-1222
Dr Usha Rengarajan, MD
3200 Kearney St,
Fremont, CA 94538-2299

Ph: (510) 490-1222

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Emergency Medicine Doctors in Fremont, CA

Jerry Vann Martin, M.D.
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2500 Mowry Ave, Suite 212, Fremont, CA 94538
Phone: 510-608-6174    Fax: 510-745-6435
Lisa L. Minshall, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Dr. Shelly Verma, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3200 Kearney St, Fremont, CA 94538
Phone: 510-490-1222    
Jamey J. Rock, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Adele S Hultin, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 39400 Paseo Padre Pkwy, Fremont, CA 94538
Phone: 510-795-3000    
Stephen L Montgomery, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Mowry Ave, Fremont, CA 94538
Phone: 510-791-3430    

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