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Family Practice

Karmen S. Tatulian, MD

Sees patients in Azusa, CA · Northridge, CA · Canoga Park, CA … · California

Summary

Dr. Karmen S. Tatulian, MD is a family doctor at 150 N Azusa Ave, Azusa, CA 91702. Phone: (626) 969-7885. Accepts Medicare assignment. In 2024, Karmen S. Tatulian had 42 Original Medicare patients and 58 services. NPI 1851561807. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 150 N Azusa Ave, Azusa, CA 91702 · Directions (4 more locations)
  • Phone: (626) 969‑7885
  • Medicare: Accepts Medicare assignment
  • Group practice: El Proyecto del Barrio Inc
  • Medical school: graduated 1982 (44 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karmen S. Tatulian, 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 Karmen S. Tatulian accept Medicare assignment?
Yes. Medicare's clinician data says Karmen S. Tatulian 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 Karmen S. Tatulian see?
In 2024, CMS data shows 42 Original Medicare patients and 58 services for Karmen S. Tatulian. This counts Original Medicare only and measures volume, not quality.
What is Karmen S. Tatulian's NPI number?
1851561807. 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 Karmen S. Tatulian, 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 patients42
Services billed to Medicare58
Different services or procedures3
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Insertion of needle into vein for collection of blood sample (36415)47 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 pressure71%
  • Diabetes50%
  • Arthritis43%

Practice locations

Addresses where Karmen S. Tatulian is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Karmen S. Tatulian as a member of this group (CMS data updated October 2, 2026).

  • El Proyecto del Barrio Inc27 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All family doctors in California →

Other clinicians in El Proyecto del Barrio Inc

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

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851561807
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians