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Family Practice

Adnaan F. Sheriff, DO

Works at hospitals in Stanford, CA · Pleasanton, CA · California

Summary

Dr. Adnaan F. Sheriff, DO is a family doctor at 5568 Gibraltar Dr, Pleasanton, CA 94588. Phone: (888) 924-1036. Accepts Medicare assignment. In 2024, Adnaan F. Sheriff had 162 Original Medicare patients and 372 services. NPI 1033520341. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 5568 Gibraltar Dr, Pleasanton, CA 94588 · Directions
  • Phone: (888) 924‑1036
  • Medicare: Accepts Medicare assignment
  • Hospitals: Stanford Health Care, Stanford Health Care Tri-Valley
  • Group practice: University Healthcare Alliance
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Adnaan F. Sheriff, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Adnaan F. Sheriff accept Medicare assignment?
Yes. Medicare's clinician data says Adnaan F. Sheriff accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Adnaan F. Sheriff see?
In 2024, CMS data shows 162 Original Medicare patients and 372 services for Adnaan F. Sheriff. This counts Original Medicare only and measures volume, not quality.
What is Adnaan F. Sheriff's NPI number?
1033520341. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Adnaan F. Sheriff, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients162
Services billed to Medicare372
Different services or procedures29
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)70 services
  2. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)53 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)52 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)34 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure64%
  • Arthritis34%
  • Chronic kidney disease26%
  • Diabetes24%
  • Ischemic heart disease23%

Hospitals where Adnaan F. Sheriff works

Medicare's Facility Affiliation Data lists Adnaan F. Sheriff at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441
  • Stanford Health Care Tri-ValleyPleasanton, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050283

Practice locations

Addresses where Adnaan F. Sheriff is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Adnaan F. Sheriff as a member of this group (CMS data updated October 2, 2026).

  • University Healthcare Alliance327 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Pleasanton

Clinicians with the same Medicare primary specialty in Pleasanton, CA — not a recommendation.

All family doctors in Pleasanton →

Other clinicians in University Healthcare Alliance

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1033520341
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians