William J Holmes, MD - Medicare Orthopedic Surgery in Modesto, CA

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William J Holmes, MD is a medicare enrolled "Orthopaedic Surgery" physician in Modesto, California. He went to Saint Louis University School Of Medicine and graduated in 1993 and has 32 years of diverse experience with area of expertise as Orthopedic Surgery. He is a member of the group practice San Joaquin Faculty Medical Group, County Of San Joaquin, William J Holmes Md Inc and his current practice location is 1335 Coffee Rd, #100, Modesto, California. You can reach out to his office (for appointments etc.) via phone at (209) 524-4438.

William J Holmes is licensed to practice in California (license number G81678) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1629026141.

Contact Information

William J Holmes, MD
1335 Coffee Rd, #100,
Modesto, CA 95355-3192
(209) 524-4438
(209) 524-7395

Map and Direction




Physician's Profile

Full NameWilliam J Holmes
GenderMale
SpecialityOrthopedic Surgery
Experience32 Years
Location1335 Coffee Rd, Modesto, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • William J Holmes attended and graduated from Saint Louis University School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1629026141
  • Provider Enumeration Date: 05/05/2006
  • Last Update Date: 03/05/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 3274525423
  • Enrollment ID: I20040330001622

Medical Identifiers

Medical identifiers for William J Holmes such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629026141NPI-NPPES
OOG816780MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery G81678 (California)Primary
207XX0801XOrthopaedic Surgery - Orthopaedic Trauma G81678 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
San Joaquin General HospitalFrench camp, CAHospital
Memorial Medical CenterModesto, CAHospital
Doctors Medical CenterModesto, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
San Joaquin Faculty Medical Group4082631395101
County Of San Joaquin6002703436161
William J Holmes Md Inc60029921382

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. William J Holmes allows following entities to bill medicare on his behalf.
Entity NameCounty Of Stanislaus
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831394998
PECOS PAC ID: 0648183996
Enrollment ID: O20031111000939
Entity NameCounty Of San Joaquin
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801830583
PECOS PAC ID: 6002703436
Enrollment ID: O20040301001287
Entity NameSan Joaquin Faculty Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1225063761
PECOS PAC ID: 4082631395
Enrollment ID: O20051026000742
Entity NameWilliam J Holmes Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144418070
PECOS PAC ID: 6002992138
Enrollment ID: O20080328000501
Entity NameStanislaus Orthopaedic And Sports Medicine Clinic
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1669505160
PECOS PAC ID: 0042373862
Enrollment ID: O20090130000279
Entity NameOrion Orthopaedic Trauma Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093137051
PECOS PAC ID: 0345562005
Enrollment ID: O20141208001327

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. William J Holmes 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
William J Holmes, MD
1335 Coffee Rd, #100,
Modesto, CA 95355-3192

Ph: (209) 524-4438		William J Holmes, MD
1335 Coffee Rd, #100,
Modesto, CA 95355-3192

Ph: (209) 524-4438

Reviews and Comments


Orthopaedic Surgery Doctors in Modesto, CA

Marc A Trzeciak, D. O.
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 609 E Orangeburg Ave, Suite 201, Modesto, CA 95350
Phone: 209-572-3224    Fax: 209-572-4528
Dr. Alexander Allen Davis, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 1401 Spanos Ct, Suite 101, Modesto, CA 95355
Phone: 209-606-5567    Fax: 209-525-3891
Todd C Smith, M.D.
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Practice Location: 1409 E Briggsmore Ave, Modesto, CA 95355
Phone: 209-550-4725    
Wesley E Kinzie, MD
Orthopedic Surgery
Medicare: May Accept Medicare Assignments
Practice Location: 1401 Spanos Ct #101, Modesto, CA 95355
Phone: 209-525-3140    Fax: 209-525-3894
Dr. Kip R Wilkins, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 4601 Dale Rd, 1st Floor Suite 1a6, Department Of Orthopaedics, Modesto, CA 95356
Phone: 209-735-6104    
Lenita Rochell Williamson, MD
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 2116 E Orangeburg Ave, Ste A, Modesto, CA 95355
Phone: 209-577-1411    Fax: 209-577-1236
Margaret Kathleen Grisell, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 4601 Dale Rd, Kaiser Modesto Medical Center, Orthopedic Surgery, Modesto, CA 95356
Phone: 209-735-5000    

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.