Quick answers
- Does Ervand Kristosturyan accept Medicare assignment?
- Yes. Medicare's clinician data says Ervand Kristosturyan 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 Ervand Kristosturyan see?
- In 2024, CMS data shows 491 Original Medicare patients and 1,815 services for Ervand Kristosturyan. This counts Original Medicare only and measures volume, not quality.
- What is Ervand Kristosturyan's NPI number?
- 1679936017. 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 Ervand Kristosturyan, 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 | 491 |
|---|---|
| Services billed to Medicare | 1,815 |
| Different services or procedures | 32 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)652 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)244 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)216 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)106 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)81 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 pressure68%
- Arthritis45%
- Ischemic heart disease26%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)23%
- Diabetes21%
Hospitals where Ervand Kristosturyan works
Medicare's Facility Affiliation Data lists Ervand Kristosturyan 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.
- Sibley Memorial HospitalWashington, DC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 090005
Practice locations
Addresses where Ervand Kristosturyan is enrolled with Medicare (CMS data updated October 2, 2026).
- 401 Warren St, Suite 300Redwood City, CA 94063
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Redwood City
Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2016 (10 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1679936017 |
| 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