Quick answers
- Does Timothy K. Atmajian accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy K. Atmajian 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 Timothy K. Atmajian see?
- In 2024, CMS data shows 116 Original Medicare patients and 897 services for Timothy K. Atmajian. This counts Original Medicare only and measures volume, not quality.
- What is Timothy K. Atmajian's NPI number?
- 1003816141. 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 Timothy K. Atmajian, 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 patients | 116 |
|---|---|
| Services billed to Medicare | 897 |
| Different services or procedures | 23 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)495 services
- Injection, ketorolac tromethamine, per 15 mg (J1885)80 services
- Face-to-face behavioral counseling for obesity, 15 minutes (G0447)76 services
- Injection of drug or substance under skin or into muscle (96372)66 services
- Blood glucose (sugar) level (82947)30 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 blood pressure75%
- High cholesterol75%
- Diabetes63%
- Arthritis32%
- Chronic kidney disease28%
- Asthma20%
Hospitals where Timothy K. Atmajian works
Medicare's Facility Affiliation Data lists Timothy K. Atmajian 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.
- Saint Agnes Medical CenterFresno, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050093
Practice locations
Addresses where Timothy K. Atmajian is enrolled with Medicare (CMS data updated October 2, 2026).
- 3830 N 1st StFresno, CA 93726
- 4420 N 1st StFresno, CA 93726 (559) 231‑5366
- 4420 N 1st St, Suite 123Fresno, CA 93726 (559) 231‑5366
Group practices
Medicare enrollment lists Timothy K. Atmajian as a member of this group (CMS data updated October 2, 2026).
- Todos Para la Salud9 clinicians in the group
Specialties
- General Practiceprimary
Other general practitioners in Fresno
Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.
Other clinicians in Todos Para la Salud
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Southern California Keck School Of Medicine |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1003816141 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians