Dr William Hardy Longfellow, MD - Medicare Internal Medicine in Rancho Mirage, CA

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Dr William Hardy Longfellow, MD is a medicare enrolled "Internal Medicine" physician in Rancho Mirage, California. His current practice location is 71780 San Jacinto Dr Ste H1, Rancho Mirage, California. You can reach out to his office (for appointments etc.) via phone at (760) 340-6777.

Dr William Hardy Longfellow is licensed to practice in California (license number A169852) 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 1669886545.

Contact Information

Dr William Hardy Longfellow, MD
71780 San Jacinto Dr Ste H1,
Rancho Mirage, CA 92270-5518
(760) 340-6777
Not Available

Map and Direction




Physician's Profile

Full NameDr William Hardy Longfellow
GenderMale
SpecialityInternal Medicine
Location71780 San Jacinto Dr Ste H1, Rancho Mirage, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1669886545
  • Provider Enumeration Date: 06/18/2014
  • Last Update Date: 12/23/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 7214259217
  • Enrollment ID: I20221024002714

Medical Identifiers

Medical identifiers for Dr William Hardy Longfellow such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1669886545NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 0101262895 (Virginia)Secondary
207R00000XInternal Medicine A169852 (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 William Hardy Longfellow allows following entities to bill medicare on his behalf.
Entity NameCentro De Salud De La Comunidad De San Ysidro, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124782685
PECOS PAC ID: 6901709435
Enrollment ID: O20040130000711
Entity NameEmergency And Acute Care Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437103942
PECOS PAC ID: 9537108279
Enrollment ID: O20050502000734
Entity NameSan Diego Hospitalist Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689992125
PECOS PAC ID: 9537351796
Enrollment ID: O20101006000176
Entity NameFocus On Health Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1497450530
PECOS PAC ID: 0648624254
Enrollment ID: O20231002001127

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 William Hardy Longfellow 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 William Hardy Longfellow, MD
71780 San Jacinto Dr Ste H1,
Rancho Mirage, CA 92270-5518

Ph: (760) 898-2963		Dr William Hardy Longfellow, MD
71780 San Jacinto Dr Ste H1,
Rancho Mirage, CA 92270-5518

Ph: (760) 340-6777

Reviews and Comments


Internal Medicine Doctors in Rancho Mirage, CA

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Delshad Ahmad, MD
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Dr. Anil Perumbeti, M.D.
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Phone: 760-834-3564    Fax: 760-773-1605

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.