Dr Gregg Philip Hartman, MD - Medicare Sports Medicine in Simi Valley, CA

Dr Gregg Philip Hartman, MD is a medicare enrolled "Orthopaedic Surgery - Sports Medicine" physician in Simi Valley, California. He went to Tulane University School Of Medicine and graduated in 1992 and has 32 years of diverse experience with area of expertise as Sports Medicine. He is a member of the group practice Ventura Orthopedics Medical Group Inc and his current practice location is 2525 Erringer Rd, Simi Valley, California. You can reach out to his office (for appointments etc.) via phone at (805) 527-1404.

Dr Gregg Philip Hartman is licensed to practice in California (license number A61757) 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 1336105238.

Contact Information

Dr Gregg Philip Hartman, MD
2525 Erringer Rd,
Simi Valley, CA 93065-2352
(805) 527-1404
(805) 527-5246

Map and Direction




Physician's Profile

Full NameDr Gregg Philip Hartman
GenderMale
SpecialitySports Medicine
Experience32 Years
Location2525 Erringer Rd, Simi Valley, 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:
  • Dr Gregg Philip Hartman attended and graduated from Tulane University School Of Medicine in 1992
  NPI Data:
  • NPI Number: 1336105238
  • Provider Enumeration Date: 04/21/2006
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5698739639
  • Enrollment ID: I20050127000320

Medical Identifiers

Medical identifiers for Dr Gregg Philip Hartman such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336105238NPI-NPPES
A61757OtherCASTATE LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207X00000XOrthopaedic Surgery A61757 (California)Secondary
207XX0005XOrthopaedic Surgery - Sports Medicine A61757 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ventura Orthopedics Medical Group Inc206231291189

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 Gregg Philip Hartman allows following entities to bill medicare on his behalf.
Entity NameVentura Orthopedics Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871547315
PECOS PAC ID: 2062312911
Enrollment ID: O20040615001871
Entity NameSelect Health Of Ca Iv Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831607704
PECOS PAC ID: 7517229297
Enrollment ID: O20180315002439

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 Gregg Philip Hartman 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 Gregg Philip Hartman, MD
5720 Ralston St Ste 200,
Ventura, CA 93003-7844

Ph: (805) 804-4168
Dr Gregg Philip Hartman, MD
2525 Erringer Rd,
Simi Valley, CA 93065-2352

Ph: (805) 527-1404

Reviews and Comments


Orthopaedic Surgery Doctors in Simi Valley, CA

Brandon Joseph Grooms, MD
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 2655 1st St Ste 300, Simi Valley, CA 93065
Phone: 805-578-8550    
Lakshmanan Sivasundaram,
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2525 Erringer Rd, Simi Valley, CA 93065
Phone: 805-527-1404    
Dr. Joanne Helen Wang, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2525 Erringer Rd, Simi Valley, CA 93065
Phone: 805-527-1404    Fax: 805-527-5246
Zachary Tuvya Sharfman, MD
Orthopedic Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 2525 Erringer Rd, Simi Valley, CA 93065
Phone: 805-527-1404    
Alan Rashkin, M.D.
Orthopedic Surgery
Medicare: Medicare Enrolled
Practice Location: 1350 E Los Angeles Ave Ste 203, Simi Valley, CA 93065
Phone: 805-527-3222    Fax: 805-582-2651

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.