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Family Practice

Alan P. Shahtaji, DO

Works at hospitals in San Diego, CA · California

Summary

Dr. Alan P. Shahtaji, DO is a family doctor at 1637 3rd Ave, Suite B, Chula Vista, CA 91911. Phone: (619) 662-4100. Accepts Medicare assignment. In 2024, Alan P. Shahtaji had 85 Original Medicare patients and 608 services. NPI 1972751089. 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: 1637 3rd Ave, Suite B, Chula Vista, CA 91911 · Directions (4 more locations)
  • Phone: (619) 662‑4100
  • Medicare: Accepts Medicare assignment
  • Hospital: UC San Diego Health Hillcrest - Hillcrest Medical Center
  • Group practice: Regents of the University of California (+1 more)
  • Medical school: graduated 2008 (18 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 Alan P. Shahtaji, 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 Alan P. Shahtaji accept Medicare assignment?
Yes. Medicare's clinician data says Alan P. Shahtaji 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 Alan P. Shahtaji see?
In 2024, CMS data shows 85 Original Medicare patients and 608 services for Alan P. Shahtaji. This counts Original Medicare only and measures volume, not quality.
What is Alan P. Shahtaji's NPI number?
1972751089. 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 Alan P. Shahtaji, 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 patients85
Services billed to Medicare608
Different services or procedures41
Participating Medicare providerYes
Average age of these patients71

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)85 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)52 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)44 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
  5. Limited ultrasound scan of joint or other extremity structure except blood vessels (76882)18 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 cholesterol65%
  • Arthritis62%
  • High blood pressure59%
  • Ischemic heart disease28%
  • Osteoporosis26%
  • Depression19%

Hospitals where Alan P. Shahtaji works

Medicare's Facility Affiliation Data lists Alan P. Shahtaji 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.

Practice locations

Addresses where Alan P. Shahtaji is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Alan P. Shahtaji as a member of these groups (CMS data updated October 2, 2026).

  • Regents of the University of California2,089 clinicians in the group
  • Centro de Salud de la Comunidad de San Ysidro, Inc.297 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in Chula Vista

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

All family doctors in Chula Vista →

Other clinicians in Regents of the University of California

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

Clinician information

CredentialDO
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1972751089
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