Mark S. Grogan, MD
Interventional Cardiology Physician · Derby, CT
Mark S. Grogan, MD is an interventional cardiology physician with a practice address in Derby, Connecticut, and NPI 1306909379, issued on Dec 19, 2006. Check the license (Connecticut 026818, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mark S. Grogan
- Credential
- MD
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 026818 CT
Self-reported in NPPES; status is on the state search - Practice location
- 130 Division Street, Derby, CT 06418
- Phone
- (203) 732-7455
- Enumerated
- Dec 19, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 735-5507
- Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 75 in Connecticut → Look up another NPI →
Also registered at 130 Division Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohsin Ali, M.D.Internal Medicine Physician1215673264
- Pamela Austin, MSWSocial Worker1962650291
- Earl Baker, MDInternal Medicine Physician1265635148
- Virginia Breeden, LADCAddiction (Substance Use Disorder) Counselor1528216421
- Debbie Douglas, LCSWClinical Social Worker1912167164
- Gloria Dzerovych, LCSWClinical Social Worker1659511095
Verify Mark S. Grogan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 026818Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
1,075 Medicare Part D claims for 202 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Atorvastatin Calcium108 claims
- Metoprolol Succinate108 claims
- Amlodipine Besylate102 claims
- Losartan Potassium87 claims
- Eliquis66 claims
- Lisinopril57 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): 84.5 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: $58.59
3 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 6,394 providers of this specialty with any payment received $7,062.29 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.
Mark S. Grogan among 75 interventional cardiology physician records in Connecticut
Mark S. Grogan, MD is one of 75 interventional cardiology physician records with a practice address in Connecticut. 93% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 56% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileNo · 91% of these records are
- Record last updated2007 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Connecticut
There are 75 interventional cardiology physician records in Connecticut.
All 75 in Connecticut → Every provider in Derby → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Osman JafferDerby, CT 064181730446329
- Kenneth Spector, MD PHDDerby, CT 064181497818462
- Mohammed Al-Damluji, MD, MPHMiddletown, CT 064571114312766
- Vincent Dicola, MD, FACC, NASPENorth Haven, CT 064731013928431
- Douglas Israel, M.D., F.A.C.C.North Haven, CT 064731366453680
- Sandip Mukherjee, MD, FACC, FACPNorth Haven, CT 064731326059510
- Brian Cambi, M.D.New Haven, CT 065101003033390
- Sameer Nagpal, M.D.New Haven, CT 065101912296401
Common questions
What is Mark S. Grogan, MD's NPI number?
Mark S. Grogan, MD's National Provider Identifier (NPI) is 1306909379, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark S. Grogan, MD located?
The NPPES record lists a practice address at 130 Division Street, Derby, CT, 06418. Phone: (203) 732-7455. Providers update this record themselves, so call before visiting.
How can I verify Mark S. Grogan, MD's license?
NPPES lists Connecticut license number 026818, 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 S. Grogan, MD prescribe under Medicare Part D?
In 2024, Mark S. Grogan, MD had 1,075 Medicare Part D claims for 202 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.
What is Mark S. Grogan, MD's MIPS final score?
The 2023 MIPS final score is 84.5 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.