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

Individual provider Internal Medicine Physician · NPI 1639276140

Shahid N Siddiqui, MD is an Internal Medicine in Lancaster, California. Qualified in 1987, 39 years ago. Practices with Acute Care Associates of California PC, a 55-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and California.

Years since qualifying
39
Licensed in
AZ, CA
In the registry since
2006
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

43830 10th St W
Lancaster, CA 93534-4826
Phone: (702) 579-5858
Fax: (800) 890-6055
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 26542 Brooks Cir, Stevenson Ranch, CA 91381-1432 — (702) 579-5858

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A94134 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 35650 (AZ)

Record details

NPI number1639276140
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 19, 2006
Last updated in NPPESMarch 17, 2018

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1987 (39 years in practice)
Group practice Acute Care Associates Of California Pc — 55 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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