Dr Peter E Diaz, MD - Medicare Obstetrics/gynecology in Windcrest, TX

  1. Home
  2. Obstetrics & Gynecology
  3. TX
  4. Windcrest
Dr Peter E Diaz, MD is a medicare enrolled "Obstetrics & Gynecology" physician in Windcrest, Texas. He went to Texas Tech University Health Science Center School Of Medicine and graduated in 1999 and has 25 years of diverse experience with area of expertise as Obstetrics/gynecology. He is a member of the group practice St John Physicians Inc and his current practice location is 5542 Walzem Rd, Windcrest, Texas. You can reach out to his office (for appointments etc.) via phone at (210) 922-7000.

Dr Peter E Diaz is licensed to practice in Texas (license number L8039) 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 1760594808.

Contact Information

Dr Peter E Diaz, MD
5542 Walzem Rd,
Windcrest, TX 78218-2103
(210) 922-7000
(210) 924-1374

Map and Direction




Physician's Profile

Full NameDr Peter E Diaz
GenderMale
SpecialityObstetrics/gynecology
Experience25 Years
Location5542 Walzem Rd, Windcrest, Texas
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:
  • Dr Peter E Diaz attended and graduated from Texas Tech University Health Science Center School Of Medicine in 1999
  NPI Data:
  • NPI Number: 1760594808
  • Provider Enumeration Date: 08/31/2006
  • Last Update Date: 03/05/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 8325021421
  • Enrollment ID: I20210527000407

Medical Identifiers

Medical identifiers for Dr Peter E Diaz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1760594808NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology L8039 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St John OwassoOwasso, OKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St John Physicians Inc2567366495223

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 Peter E Diaz allows following entities to bill medicare on his behalf.
Entity NameSt John Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336194406
PECOS PAC ID: 2567366495
Enrollment ID: O20031121000867
Entity NameHarvard Family Physicians P C
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1306891288
PECOS PAC ID: 7113983594
Enrollment ID: O20041207001019
Entity NameObhg Oklahoma, P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043595374
PECOS PAC ID: 4183881121
Enrollment ID: O20120203000035

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 Peter E Diaz 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 Peter E Diaz, MD
3750 Commercial Ave,
San Antonio, TX 78221-3117

Ph: (210) 922-7000		Dr Peter E Diaz, MD
5542 Walzem Rd,
Windcrest, TX 78218-2103

Ph: (210) 922-7000

Reviews and Comments


Obstetrics & Gynecology Doctors in Windcrest, TX

Maria Florencia Molina Boero, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 5542 Walzem Rd, Windcrest, TX 78218
Phone: 210-922-7000    Fax: 210-653-5640
Dr. Reena Utpal Bhalala, M.D
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 5542 Walzem Rd, Windcrest, TX 78218
Phone: 210-922-7000    Fax: 210-653-5640

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.