Mark Pennington, M.D.
Procedural Dermatology Physician · New Britain, CT
Mark Pennington, M.D. is a procedural dermatology physician with a practice address in New Britain, Connecticut, and NPI 1720080476, issued on Aug 12, 2005. Check the license (Connecticut 043011, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Pennington
- Credential
- M.D.
- Primary taxonomy
- Procedural Dermatology Physician 207NS0135X
- License number
- 043011 CT
Self-reported in NPPES; status is on the state search - Practice location
- 1 Lake St, New Britain, CT 06052
- Phone
- (860) 348-4242
- Enumerated
- Aug 12, 2005
- Record last updated
- Sep 11, 2025
- Fax
- (860) 348-4646
- Medicare enrollment
- Enrolled (PECOS I20050526000542); accepts Medicare assignment
- Medical or professional school
- Rutgers New Jersey Medical School, 1994
- Entity
- Type 1 · individual
8 nearest procedural dermatology physician records → All 9 in Connecticut → Look up another NPI →
Also registered at 1 Lake St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Bosco, DMDOral and Maxillofacial Surgery (Dentist)1225040884
- Robin Budwitz, LOOptician1700488780
Verify Mark Pennington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 043011Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% more Medicare Part D claims than the average procedural dermatology physician in 2024
1,085 Medicare Part D claims for 476 beneficiaries, against an average of 713 among the 446 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Ketoconazole277 claims
- Triamcinolone Acetonide89 claims
- Metronidazole74 claims
- Fluorouracil71 claims
- Clindamycin Phosphate61 claims
- Calcipotriene48 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.
Industry payments in 2024: $225.14
8 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 377 providers of this specialty with any payment received $10,439.11 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Starling Physicians, PLLCAvon, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Procedural Dermatology Physician providers in Connecticut
There are 9 procedural dermatology physician records in Connecticut.
All 9 in Connecticut → Every provider in New Britain → Procedural Dermatology Physician nationwide →
The 8 procedural dermatology physician records with the nearest ZIP codes
- Christopher Norwood, M.D.New Britain, CT 060521174523583
- Lisa Kugelman, MDWest Hartford, CT 061071235173873
- Michelle Malane, M.D.Cheshire, CT 064101407845332
- Robert Langdon, MDGuilford, CT 064371710017181
- Eric Thomas, M.D.Middletown, CT 064571649290289
- Ellen Milstone, M.D.Hamden, CT 065181578560132
- Mitchell Ross, M.D.Cos Cob, CT 068071497872659
- Deanne Mraz, MDWestport, CT 068801659542397
Common questions
What is Mark Pennington, M.D.'s NPI number?
Mark Pennington, M.D.'s National Provider Identifier (NPI) is 1720080476, issued on Aug 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Pennington, M.D. located?
The NPPES record lists a practice address at 1 Lake St, New Britain, CT, 06052. Phone: (860) 348-4242. Providers update this record themselves, so call before visiting.
How can I verify Mark Pennington, M.D.'s license?
NPPES lists Connecticut license number 043011, 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 Mark Pennington, M.D. prescribe under Medicare Part D?
In 2024, Mark Pennington, M.D. had 1,085 Medicare Part D claims for 476 beneficiaries; the average among procedural dermatology physician prescribers was 713. 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.