Anastasiya Haponyuk, MD
Internal Medicine Physician · Sacramento, CA
Anastasiya Haponyuk, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1801472733, issued on Mar 22, 2021. Check the license (California A181326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Anastasiya Haponyuk
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A181326 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St # 1100, Sacramento, CA 95817
- Phone
- (916) 734-2737
- Enumerated
- Mar 22, 2021
- Record last updated
- Feb 5, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Anastasiya Haponyuk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A181326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
336 Medicare Part D claims for 44 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Gabapentin24 claims
- Amlodipine Besylate21 claims
- Albuterol Sulfate Hfa20 claims
- Losartan Potassium14 claims
- Trelegy Ellipta12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Anastasiya Haponyuk among 17,696 internal medicine physician records in California
Anastasiya Haponyuk, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nelson Chiang, M.D.Sacramento, CA 958171326021494
- Robert Derlet, MDSacramento, CA 958171902887433
- Lynne Do, M.D.Sacramento, CA 958171386627644
- Jason Ferries, M.D.Sacramento, CA 958171609859974
- Steven Griffen, M.D.Sacramento, CA 958171053393835
- Diane Haddock, M.D.Sacramento, CA 958171013991553
- Calvin Hirsch, MDSacramento, CA 958171073597332
- Hershan Johl, MDSacramento, CA 958171255314399
Common questions
What is Anastasiya Haponyuk, MD's NPI number?
Anastasiya Haponyuk, MD's National Provider Identifier (NPI) is 1801472733, issued on Mar 22, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Anastasiya Haponyuk, MD located?
The NPPES record lists a practice address at 4150 V St # 1100, Sacramento, CA, 95817. Phone: (916) 734-2737. Providers update this record themselves, so call before visiting.
How can I verify Anastasiya Haponyuk, MD's license?
NPPES lists California license number A181326, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Anastasiya Haponyuk, MD prescribe under Medicare Part D?
In 2024, Anastasiya Haponyuk, MD had 336 Medicare Part D claims for 44 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.