Dr. Robert Michael Stark, MD
- Medicare services, 2021
- 321
- Part D claims, 2022
- 40
- Publications
- 1
- Industry payments
- $2,095
- Affiliated sites
- 1
- Practice address
- 40 W Elm St, Greenwich, CT 06830-6425
- Practice phone
- Call (203) 622-1102
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Robert M. Stark, MD
Physician office · Greenwich, Connecticut
Find Dr. Stark's professional email, personal email and mobile number
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Dr. Robert Michael Stark is a cardiologist in Old Greenwich, Connecticut
Dr. Stark practices at Robert M. Stark, MD in Greenwich, Connecticut.
Dr. Stark's NPI, 1871503383, was assigned on August 8, 2006. Dr. Stark graduated from Harvard Medical School in 1974. Dr. Stark holds Connecticut license 020817.
- NPI
- 1871503383NPI Registry (opens in a new tab)
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Practice phone
- (203) 622-1102
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Robert Michael Stark practices at Robert M. Stark, MD in Greenwich, Connecticut
Dr. Stark's primary practice is Robert M. Stark, MD, at 40 W Elm St, Greenwich, CT 06830-6425. The practice phone is (203) 622-1102.
- Robert M. Stark, MD40 W Elm St, Greenwich, CT 06830-6425Phone(203) 622-1102
Source: Dmand AI Affiliation Data
Dr. Robert Michael Stark is affiliated with 1 site of care
Dr. Stark's primary practice is Robert M. Stark, MD in Greenwich, Connecticut.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Robert Michael Stark's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stark practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Robert M. Stark, MD | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Michael Stark is one of 423 cardiologists in Connecticut
Cardiovascular disease is Dr. Stark's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Stark is licensed in Connecticut.
Specialties and state licenses
- Cardiovascular disease, ConnecticutPrimary
Cardiologists near Dr. Stark
Counts of cardiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Robert Michael Stark billed Medicare for 321 services in 2021
CMS data shows 321 Medicare services from Dr. Stark across 7 procedure codes in 2021. Medicare paid $18,611 for them. Every service was in an office.
Dr. Stark's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 1892021: 14125%
- Tests and treatments
- 2020: 7032021: 8688%
- Other services
- 2020: 972021: 6533%
- Lab and pathology
- 2020: 292021: 29No change
Dr. Stark compared with the Connecticut median for cardiologists, 2021
- Dr. Stark
- Connecticut median
- Medicare services
- 321vs 1,35876% below
- Part D claims
- 40vs 1,57397% below
Medians across 415 cardiologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Stark's most billed Medicare procedure codes, 2021
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stark and other cardiologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Michael Stark's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Stark's median patient age at 79, with 22% women.
Dr. Stark's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women22%
- Men78%
Source: Dmand AI Patient Panel Data
Dr. Robert Michael Stark wrote 40 Medicare Part D claims in 2022
In 2022, Dr. Stark wrote 40 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $823 in total drug cost. In 2021, CMS named 911 claims across 34 drugs.
Dr. Stark's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 9112022: 4096%
Drugs named by CMS: 2 in 2022, 34 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Robert Michael Stark has 1 publication on record
Dmand AI links 1 paper to Dr. Stark in 2025. Dr. Stark's most frequent co-authors are Ali Alaraj, MD, Waleed Brinjikji, MD and Shakeel Ahmad Chowdhry, MD.
Dr. Stark's most frequent co-authors
- Ali Alaraj, MD1 shared paper
- Waleed Brinjikji, MD1 shared paper
- Shakeel Ahmad Chowdhry, MD1 shared paper
Recent publications by Dr. Stark
See who Dr. Stark researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stark works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Michael Stark received $2,095 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Stark from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Sanofi and Genzyme US Companies paid the most, $710.
General payments to Dr. Stark by program year, 2016 to 2025
General payments to Dr. Stark by kind, 2016 to 2025
- Food and beverage$2,07099%
- Education$251%
Companies that paid Dr. Stark the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Michael Stark graduated from Harvard Medical School
Dr. Stark graduated from Harvard Medical School in 1974.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Michael Stark's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Robert Michael Stark
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Robert Michael Stark's NPI number?
Dr. Robert Michael Stark's NPI number is 1871503383. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Michael Stark?
Dr. Robert Michael Stark is a cardiologist in Old Greenwich, Connecticut. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Robert Michael Stark practice?
Dr. Stark practices at 40 W Elm St, Greenwich, CT 06830-6425. Dr. Stark's primary practice is Robert M. Stark, MD in Greenwich, Connecticut.
What is Dr. Robert Michael Stark's office phone number?
The practice phone on file for Dr. Stark is (203) 622-1102.
What is Dr. Robert Michael Stark's medical license number?
Dr. Stark holds Connecticut license 020817.
Does Dr. Robert Michael Stark accept Medicare?
Yes. CMS data shows Dr. Stark billed Medicare for 321 services in 2021.
What services does Dr. Robert Michael Stark bill to Medicare?
In 2021, Dr. Stark's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and heart test or procedure (93000).
Where did Dr. Robert Michael Stark go to medical school?
Dr. Stark graduated from Harvard Medical School in 1974.
What drugs does Dr. Robert Michael Stark prescribe most?
In 2022 Medicare Part D data, Dr. Stark's most prescribed drugs by claims were Rosuvastatin Calcium and Levothyroxine Sodium.
Has Dr. Robert Michael Stark received payments from drug or device companies?
CMS Open Payments shows $2,095 in general payments to Dr. Stark from 10 companies from 2016 to 2025. The largest total came from Sanofi and Genzyme US Companies.
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How long has Dr. Robert Michael Stark been practicing?
Dr. Stark graduated from medical school in 1974, 52 years ago.
Does Dr. Robert Michael Stark do research?
Dmand AI links 1 publication to Dr. Stark.
Who does Dr. Robert Michael Stark publish with?
Dr. Stark's most frequent co-authors are Ali Alaraj, MD (1 shared paper), Waleed Brinjikji, MD (1 shared paper) and Shakeel Ahmad Chowdhry, MD (1 shared paper).
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