Dr Thomas J Blumenfeld, MD - Medicare Orthopaedic Surgery in Pleasanton, CA

Dr Thomas J Blumenfeld, MD is a medicare enrolled "Orthopaedic Surgery" physician in Pleasanton, California. His current practice location is 5725 W Las Positas Blvd Ste 200, Pleasanton, California. You can reach out to his office (for appointments etc.) via phone at (925) 272-2860.

Dr Thomas J Blumenfeld is licensed to practice in California (license number G75858) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1962479089.

Contact Information

Dr Thomas J Blumenfeld, MD
5725 W Las Positas Blvd Ste 200,
Pleasanton, CA 94588-4007
(925) 272-2860
Not Available

Map and Direction




Physician's Profile

Full NameDr Thomas J Blumenfeld
GenderMale
SpecialityOrthopaedic Surgery
Location5725 W Las Positas Blvd Ste 200, Pleasanton, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1962479089
  • Provider Enumeration Date: 03/07/2006
  • Last Update Date: 04/22/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 9234117318
  • Enrollment ID: I20040713001611

Medical Identifiers

Medical identifiers for Dr Thomas J Blumenfeld such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1962479089NPI-NPPES
00G758580MedicaidCA
P00320223OtherCAMEDICARE RAILROAD
00G758580OtherCABLUE SHIELD OF CA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207XS0114XOrthopaedic Surgery - Adult Reconstructive Orthopaedic Surgery G075858 (California)Secondary
207X00000XOrthopaedic Surgery G75858 (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 Thomas J Blumenfeld allows following entities to bill medicare on his behalf.
Entity NameSacramento Knee & Sports Medicine Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922115575
PECOS PAC ID: 8426028853
Enrollment ID: O20050330001200

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 Thomas J Blumenfeld 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 Thomas J Blumenfeld, MD
5725 W Las Positas Blvd Ste 200,
Pleasanton, CA 94588-4007

Ph: (925) 272-2860
Dr Thomas J Blumenfeld, MD
5725 W Las Positas Blvd Ste 200,
Pleasanton, CA 94588-4007

Ph: (925) 272-2860

Reviews and Comments


Orthopaedic Surgery Doctors in Pleasanton, CA

David J Jupina, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473
Dr. Robert H Malstrom, MD
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473
Priscilla Wong, NP
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 4626 Willow Rd, Pleasanton, CA 94588
Phone: 925-463-0470    
Kenneth G Venos, M.D.
Orthopedic Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473
Ian A Stine, M.D.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473
Kambiz Behzadi, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473
Gregory Horner, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 4626 Willow Rd, Suite 200, Pleasanton, CA 94588
Phone: 925-463-0470    Fax: 925-463-0473

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.