Mark Ian Oestreicher, M.D.
Dermatology Physician · Trumbull, CT
Mark Ian Oestreicher, M.D. is a dermatology physician with a practice address in Trumbull, Connecticut, and NPI 1982629655, issued on Jul 13, 2006. Check the license (Connecticut 021118, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark Ian Oestreicher
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 021118 CT
Self-reported in NPPES; status is on the state search - Practice location
- 160 Hawley LN, Trumbull, CT 06611
- Phone
- (203) 377-0639
- Enumerated
- Jul 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100511000155); accepts Medicare assignment
- Medical or professional school
- Albany Medical College Of Union University, 1974
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 253 in Connecticut → Look up another NPI →
Also registered at 160 Hawley LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Deirdre Cannon, PACDermatology Physician1568549996
- Monica Chaclas, APRNFamily Nurse Practitioner1154317147
- Scott Cohen, DDSGeneral Practice Dentistry1407026107
- Mark Conlon, DMDGeneral Practice Dentistry1972656114
- Ira Deitz, M.D.Psychiatry Physician1306913785
- Alexander Fogel, MDDermatology Physician1700375235
Verify Mark Ian Oestreicher in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 021118Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average dermatology physician in 2024
614 Medicare Part D claims for 281 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Triamcinolone Acetonide85 claims
- Ketoconazole59 claims
- Fluocinonide43 claims
- Hydrocortisone38 claims
- Minoxidil34 claims
- Betamethasone Dipropionate29 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): 70.9 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $6,141.85
84 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Adult And Pediatric Dermatology Specialists, P.C.Trumbull, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Ian Oestreicher among 253 dermatology physician records in Connecticut
Mark Ian Oestreicher, M.D. is one of 253 dermatology physician records with a practice address in Connecticut. 84% 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 19% of them.
- NPI issued2006 · 19% of these records are older, 49% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1974 · median 2004 among the 180 with a school on file
- Record last updated2007 · 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 207N00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Connecticut
There are 253 dermatology physician records in Connecticut.
All 253 in Connecticut → Every provider in Trumbull → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Deirdre Cannon, PACTrumbull, CT 066111568549996
- Alexander Fogel, MDTrumbull, CT 066111700375235
- Seth Lerner, M.D.Trumbull, CT 066111174548838
- Michael Noonan, M.D.Trumbull, CT 066111609892371
- Robert Patrignelli, MDTrumbull, CT 066111700889094
- Payal Shah, M.D.Trumbull, CT 066111689254567
- Jason Wilder, D.O.Trumbull, CT 066111952327629
- Dennis Feinberg, MDStratford, CT 066141144307414
Common questions
What is Mark Ian Oestreicher, M.D.'s NPI number?
Mark Ian Oestreicher, M.D.'s National Provider Identifier (NPI) is 1982629655, issued on Jul 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Ian Oestreicher, M.D. located?
The NPPES record lists a practice address at 160 Hawley LN, Trumbull, CT, 06611. Phone: (203) 377-0639. Providers update this record themselves, so call before visiting.
How can I verify Mark Ian Oestreicher, M.D.'s license?
NPPES lists Connecticut license number 021118, 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 Ian Oestreicher, M.D. prescribe under Medicare Part D?
In 2024, Mark Ian Oestreicher, M.D. had 614 Medicare Part D claims for 281 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Mark Ian Oestreicher, M.D.'s MIPS final score?
The 2023 MIPS final score is 70.9 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.