NPPES file of Aug 9, 2026

Olga Vadimovna Sakharova, MD

Endocrinology, Diabetes & Metabolism Physician · New Haven, CT

Olga Vadimovna Sakharova, MD is an endocrinology, diabetes & metabolism physician with a practice address in New Haven, Connecticut, and NPI 1528092590, issued on Jul 10, 2006. Check the license (Connecticut 043509, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1528092590
Name
Olga Vadimovna Sakharova
Credential
MD
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
043509 CT
Self-reported in NPPES; status is on the state search
Practice location
1450 Chapel St, New Haven, CT 06511
Phone
(203) 789-3437
Enumerated
Jul 10, 2006
Record last updated
Jan 30, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(203) 867-5481
Medicare enrollment
Enrolled (PECOS I20060921000381); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1450 Chapel St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Pirjo Aalto-Fischer, LCSWClinical Social Worker1225473655
  2. Elie AbdelnourPsychiatry Physician1790346070
  3. Katherine AdamsSpeech-Language Pathologist1023851821
  4. Oluwatosin Adeyemo, M.D. , MPHObstetrics Physician1447696844
  5. Elizabeth Ahmed, M.D.Family Medicine Physician1376551879
  6. Sohee Ahn, PHARMDPharmacist1649894387

Verify Olga Vadimovna Sakharova in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 043509
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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58% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

1,100 Medicare Part D claims for 182 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Olga Sakharova1,100
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium219 claims
  2. Synthroid97 claims
  3. Ozempic68 claims
  4. Jardiance67 claims
  5. Methimazole59 claims
  6. Metformin Hcl Er49 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costout of 100 · 30%51.4
  3. Promoting interoperabilityout of 100 · 25%74.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Yale UniversityNew Haven, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Olga Vadimovna Sakharova among 214 endocrinology, diabetes & metabolism physician records in Connecticut

Olga Vadimovna Sakharova, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.

  • NPI issued2006 · 13% of these records are older, 55% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated1993 · median 2004 among the 145 with a school on file
  • Record last updated2013 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in Connecticut

There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Leigh Berrien, APRNNew Haven, CT 065111134998230
  2. Surani Fernando, MDNew Haven, CT 065111750355137
  3. Robert Gelfand, M.D.New Haven, CT 065111952338147
  4. Philip Goldberg, MDNew Haven, CT 065111659417889
  5. Richard Kibbey, MDNew Haven, CT 065111598704272
  6. Adam Mayerson, M.D.New Haven, CT 065111457451015
  7. Irina Rosewater, M.D.New Haven, CT 065111477793529
  8. Kai Yang, MDNew Haven, CT 065111093851321

Common questions

What is Olga Vadimovna Sakharova, MD's NPI number?

Olga Vadimovna Sakharova, MD's National Provider Identifier (NPI) is 1528092590, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Olga Vadimovna Sakharova, MD located?

The NPPES record lists a practice address at 1450 Chapel St, New Haven, CT, 06511. Phone: (203) 789-3437. Providers update this record themselves, so call before visiting.

How can I verify Olga Vadimovna Sakharova, MD's license?

NPPES lists Connecticut license number 043509, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Olga Vadimovna Sakharova, MD prescribe under Medicare Part D?

In 2024, Olga Vadimovna Sakharova, MD had 1,100 Medicare Part D claims for 182 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Olga Vadimovna Sakharova, MD's MIPS final score?

The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.