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

Humayun Abbas, MD

Individual provider Internal Medicine Physician · NPI 1336136548

Humayun Abbas, MD is an Internal Medicine in Modesto, California. Qualified in 1984, 42 years ago. Practices with Shane Speirs MD PC, a 13-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
42
Licensed in
CA
In the registry since
2005
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

1541 Florida Ave Ste 200
Modesto, CA 95350-4429
Phone: (209) 577-3388
Fax: (209) 523-0764
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A68455 (CA)

Record details

NPI number1336136548
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 3, 2005
Last updated in NPPESMarch 29, 2011
Mailing address1541 Florida Ave, Suite 200, Modesto, CA 95350-4429

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1984 (42 years in practice)
Group practice Shane Speirs Md Pc — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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