Sarah G. Dainiak, M.D.
Internal Medicine Physician · West Hartford, CT
Sarah G. Dainiak, M.D. is an internal medicine physician with a practice address in West Hartford, Connecticut, and NPI 1154326833, issued on Jun 17, 2005. Check the license (Connecticut 042088, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Sarah G. Dainiak
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 042088 CT
Self-reported in NPPES; status is on the state search - Practice location
- 445 S Main St, West Hartford, CT 06110
- Phone
- (860) 561-7111
- Enumerated
- Jun 17, 2005
- Record last updated
- May 20, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (860) 561-7272
- Medicaid ID
- 11543268533 CT
- Medicare enrollment
- Enrolled (PECOS I20040417000379); accepts Medicare assignment
- Medical or professional school
- University Of Connecticut School Of Medicine, 2001
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 445 S Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa Aronson, PTPhysical Therapist1508151457
- Mary Brock, FNPFamily Nurse Practitioner1851773865
- Elizabeth Fasy, MDEndocrinology, Diabetes & Metabolism Physician1326060484
- Zachary Feldman, PHYSICIAN ASSISTANTSurgical Physician Assistant1487806931
- Andrea Harris-Kornblith, LCSWClinical Social Worker1881291029
- Kathryn Horman, PA-C, MSMedical Physician Assistant1891755518
Verify Sarah G. Dainiak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% more Medicare Part D claims than the average internal medicine physician in 2024
3,597 Medicare Part D claims for 456 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium257 claims
- Rosuvastatin Calcium217 claims
- Amlodipine Besylate198 claims
- Levothyroxine Sodium167 claims
- Lisinopril147 claims
- Metoprolol Succinate101 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 MIPS final score for 2023 (Medicare payment program): 93.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Hartford Healthcare Medical Group IncWallingford, CT
- Mclean FundSimsbury, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah G. Dainiak among 2,623 internal medicine physician records in Connecticut
Sarah G. Dainiak, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2001 · median 2004 among the 1,646 with a school on file
- Record last updated2008 · 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
51 internal medicine physician records list a practice address in West Hartford
They are 51 of the 1,653 NPPES records with a practice address in West Hartford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in West Hartford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yevgeniy Borshchenko, M.D.West Hartford, CT 061101932586765
- Stuart Genser, MDWest Hartford, CT 061101871505313
- Nino Gigauri, M.D.Hartford, CT 061101487036802
- Herbert Hoffman, MDWest Hartford, CT 061101891718763
- Michael Jimenez, MDWest Hartford, CT 061101831101443
- Deborah Keightley, MDWest Hartford, CT 061101902882442
- Andres Makarem, MDWest Hartford, CT 061101831327964
- Diana Rodriguez, M.D.West Hartford, CT 061101942620927
Common questions
What is Sarah G. Dainiak, M.D.'s NPI number?
Sarah G. Dainiak, M.D.'s National Provider Identifier (NPI) is 1154326833, issued on Jun 17, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Sarah G. Dainiak, M.D. located?
The NPPES record lists a practice address at 445 S Main St, West Hartford, CT, 06110. Phone: (860) 561-7111. Providers update this record themselves, so call before visiting.
How can I verify Sarah G. Dainiak, M.D.'s license?
NPPES lists Connecticut license number 042088, 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 Sarah G. Dainiak, M.D. prescribe under Medicare Part D?
In 2024, Sarah G. Dainiak, M.D. had 3,597 Medicare Part D claims for 456 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Sarah G. Dainiak, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.6 of 100. 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.