Irina Kryzhanovskaya, M.D.
NPI 1366785651 · Internal Medicine Physician · San Francisco, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Irina Kryzhanovskaya, M.D. is a Internal Medicine Physician provider in San Francisco, CA (NPI 1366785651).
Provider details
- NPI number
- 1366785651
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A134909 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
504 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| 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'SG2211 | 199 | $19 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 136 | $162 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 21 | $74 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 18 | $109 |
Typical Medicare-allowed amounts for these services range $19–$162 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 191 | 54 |
| Amlodipine Besylate | 74 | 27 |
| Gabapentin | 42 | — |
| Omeprazole | 40 | 11 |
| Lisinopril | 37 | 15 |
| Levothyroxine Sodium | 37 | 11 |
| Famotidine | 31 |
Practice location
Mailing address
Additional practice locations (1)
- 1001 Potrero Ave Bldg 25San Francisco, CA 94110-3518Phone: (628) 206-8000Fax: (628) 206-8965
Registry dates
- Enumerated
- 2013-04-04
- Last updated
- 2026-04-30
- Certified
- 2026-04-30
Frequently asked questions
- What is Irina Kryzhanovskaya's NPI number?
- Irina Kryzhanovskaya's National Provider Identifier (NPI) is 1366785651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Irina Kryzhanovskaya's specialty?
- Irina Kryzhanovskaya is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Irina Kryzhanovskaya located?
- Irina Kryzhanovskaya's practice location on file with NPPES is 1545 Divisadero St, San Francisco, CA 94143-0320.
- What is Irina Kryzhanovskaya's phone number?
- The practice phone number listed in the NPPES registry for Irina Kryzhanovskaya is (415) 353-7900.
- Does Irina Kryzhanovskaya accept Medicare?
- Irina Kryzhanovskaya is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Irina Kryzhanovskaya's NPI active?
- Yes — Irina Kryzhanovskaya's NPI (1366785651) is active in the NPPES registry as of the last update on 2026-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.