Harold F. Stepanek, MD
Internal Medicine Physician · Guilford, CT
Harold F. Stepanek, MD is an internal medicine physician with a practice address in Guilford, Connecticut, and NPI 1205928199, issued on Sep 28, 2006. Check the license (Connecticut 19575, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Harold F. Stepanek
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19575 CT
Self-reported in NPPES; status is on the state search - Practice location
- 741 Boston Post RD, Guilford, CT 06437
- Phone
- (203) 671-3561
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 453-4594
- Medicare enrollment
- Enrolled (PECOS I20221222000818); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 741 Boston Post RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin McGovern, LMFTMarriage & Family Therapist1922250695
- Carole Prosser, LMFTMarriage & Family Therapist1053572610
Verify Harold F. Stepanek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 19575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,858 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Eliquis179 claims
- Levothyroxine Sodium151 claims
- Furosemide115 claims
- Losartan Potassium106 claims
- Amlodipine Besylate98 claims
- Metoprolol Succinate91 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.
Bills Medicare through one group practice
- Universal Health CorporationWest Point, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harold F. Stepanek among 2,623 internal medicine physician records in Connecticut
Harold F. Stepanek, MD 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 2006, is newer than 11% of them.
- NPI issued2006 · 11% of these records are older, 52% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1974 · median 2004 among the 1,646 with a school on file
- Record last updated2007 · 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).
16 internal medicine physician records list a practice address in Guilford
They are 16 of the 504 NPPES records with a practice address in Guilford, and 2,623 internal medicine physician records in Connecticut.
All 2,623 in Connecticut → Every provider in Guilford → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joseph Balsamo, M.D.Guilford, CT 064371487650222
- Donna Criscenzo, M.D.Guilford, CT 064371225036528
- Edward Dill, M.D.Guilford, CT 064371700886587
- Charles Glass, M.D.Guilford, CT 064371184613705
- Charles Hollander, MDGuilford, CT 064371902960529
- Jodi Indes, M.D.Guilford, CT 064371871566638
- Fraser LawrenceGuilford, CT 064371295084770
- Kathryn Mazza, D.O.Guilford, CT 064371497196471
Common questions
What is Harold F. Stepanek, MD's NPI number?
Harold F. Stepanek, MD's National Provider Identifier (NPI) is 1205928199, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Harold F. Stepanek, MD located?
The NPPES record lists a practice address at 741 Boston Post RD, Guilford, CT, 06437. Phone: (203) 671-3561. Providers update this record themselves, so call before visiting.
How can I verify Harold F. Stepanek, MD's license?
NPPES lists Connecticut license number 19575, 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 Harold F. Stepanek, MD prescribe under Medicare Part D?
In 2024, Harold F. Stepanek, MD had 2,858 Medicare Part D claims for 96 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.