ALEXANDER D KAZBEROUK
NPI 1831694660
Internal Medicine - Geriatric Medicine in San Francisco, CA
About Alexander D Kazberouk NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER D KAZBEROUK (NPI 1831694660) is an individual geriatric medicine provider in San Francisco, California, licensed in California (A165392) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Harvard Medical School (2018).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alexander D Kazberouk is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
7Medicare enrollment records show Alexander Kazberouk reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 291 clinicians in this Medicare group
Surprise, AZ 85374
- Reassigned Medicare billing, Arizona, Washington and Colorado enrollments
- Also billed through NPI 1992299671 (Washington), NPI 1659790921 (Colorado)
- 123 clinicians in this Medicare group
Puyallup, WA 98373
- Reassigned Medicare billing, Washington enrollment
- Medicare enrollment name: Iora Health Washington Physicians PC
- 50 clinicians in this Medicare group
Littleton, CO 80123
- Reassigned Medicare billing, Colorado enrollment
- 62 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94122 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94122
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alexander Kazberouk's NPI number?
The NPI number for Alexander Kazberouk is 1831694660. It was assigned to this individual provider in the NPPES registry on March 25, 2018.
Where is Alexander Kazberouk located?
Alexander Kazberouk practices at 840 Irving St, San Francisco, CA 94122. The listed phone number is (888) 663-6331.
What is Alexander Kazberouk's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.
Is Alexander Kazberouk enrolled in Medicare?
Yes. Alexander Kazberouk is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alexander Kazberouk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Kazberouk reassigns Medicare benefits to 7 organizations: Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), One Medical Group, Inc. (San Francisco, CA), Iora Senior Health, LLC (Surprise, AZ) and 2 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alexander Kazberouk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Alexander Kazberouk was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alexander D Kazberouk · NPI 1831694660
Geriatric Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since March 25, 2018.
## Identity
- **NPI:** 1831694660 (Entity type: Individual)
- **Enumerated:** March 25, 2018
- **Primary specialty:** Internal Medicine - Geriatric Medicine · taxonomy 207RG0300X
- **State license:** A165392 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 840 IRVING ST, San Francisco, CA 94122-2311
- **Phone:** (888) 663-6331 · **Fax:** (415) 252-7176
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); One Medical Group, Inc. (NPI 1467781641, San Francisco, CA); Iora Senior Health, LLC (NPI 1952896235, Surprise, AZ); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2018
## Record status
- **NPPES last updated:** October 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1831694660) · Data from the CMS NPPES public registry.