Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. William Hardy Longfellow, MD

Individual provider Internal Medicine Physician · NPI 1669886545

Dr. William Hardy Longfellow, MD is an Internal Medicine in Rancho Mirage, California. Qualified in 2014, 12 years ago. Practices with Focus on Health Inc, a 61-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Virginia.

Years since qualifying
12
Licensed in
CA, VA
In the registry since
2014
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

71780 San Jacinto Dr Ste H1
Rancho Mirage, CA 92270-5518
Phone: (760) 340-6777
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1500 Lansdowne Ave, Darby, PA 19023-1200 — (610) 237-4000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A169852 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0101262895 (VA)

Record details

NPI number1669886545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 18, 2014
Last updated in NPPESDecember 23, 2020
Certification dateDecember 22, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Focus On Health Inc — 61 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Rancho Mirage