Dr. Michael D. Apstein, MD
- Medicare services, 2023
- 21
- Medicare patients, 2024
- 33
- Part D claims, 2024
- 41
- Hospital affiliations
- 1
- Medical group
- 1
- Practice address
- 330 Brookline Avenue, Boston, MA 02215
- Practice phone
- Call (617) 667-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Apstein's professional email, personal email and mobile number
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Dr. Michael D. Apstein is a gastroenterologist in Boston, Massachusetts
Dr. Apstein practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health.
Dr. Apstein's NPI, 1609854603, was assigned on January 9, 2006. Dr. Apstein graduated from University of Maryland School of Medicine in 1972. Dr. Apstein holds Massachusetts license 35625.
- NPI
- 1609854603NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082693312
- NPI enumeration date
- January 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 667-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 80
- Medical school graduation
- 1972
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael D. Apstein practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts
Dr. Apstein's primary practice is Beth Israel Deaconess Medical Center, at 330 Brookline Avenue, Boston, MA 02215 in Suffolk County. The practice phone is (617) 667-7000.
- Beth Israel Deaconess Medical Center330 Brookline Avenue, Boston, MA 02215 · Suffolk CountyPhone(617) 667-7000
Source: Dmand AI Affiliation Data
Dr. Michael D. Apstein is affiliated with 2 sites of care and 1 medical group
Dr. Apstein's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP). Dmand AI also links Dr. Apstein to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael D. Apstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Apstein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beth Israel Deaconess Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Beth Israel Lahey Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael D. Apstein is one of 597 gastroenterologists in Massachusetts
Gastroenterology is Dr. Apstein's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Apstein is licensed in Massachusetts.
Specialties and state licenses
- Gastroenterology, MassachusettsPrimary
Gastroenterologists near Dr. Apstein
Counts of gastroenterologists 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. Michael D. Apstein billed Medicare for 21 services in 2023
CMS data shows 21 Medicare services from Dr. Apstein across 1 procedure code in 2023, for 33 Medicare patients. Medicare paid $3,084 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Apstein's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 162023: 2131%
Dr. Apstein compared with the Massachusetts median for gastroenterologists, 2023
- Dr. Apstein
- Massachusetts median
- Medicare services
- 21vs 51996% below
- Medicare patients
- 33vs 34390% below
- Part D claims
- 12vs 30096% below
Medians across 583 gastroenterologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Apstein's most billed Medicare procedure codes, 2023
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. Apstein and other gastroenterologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael D. Apstein treated 33 Medicare patients in 2024, average age 75
CMS counts 33 Medicare patients who saw Dr. Apstein in 2024. The largest group is 65 to 74, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 42% are also on Medicaid. Their average risk score is 2.51, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Apstein's median patient age at 74, with 47% women.
Dr. Apstein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Apstein's Medicare patients by sex, 2024
- Women1958%
- Men1442%
Chronic conditions among Dr. Apstein's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease58%
- Arthritis52%
- Diabetes48%
- Anxiety45%
- Heart failure45%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Apstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael D. Apstein wrote 41 Medicare Part D claims in 2024
In 2024, Dr. Apstein wrote 41 Medicare Part D claims for 23 patients. 71% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $143 in total drug cost. In 2017, CMS named 25 claims across 2 drugs.
Dr. Apstein's Part D claims by kind of drug, 2024
- Generic29 claims71%
- Brand-name12 claims29%
Dr. Apstein'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, 2017 to 2022
- 2017
- 2022
- Claims for drugs CMS names
- 2017: 252022: 1252%
Drugs named by CMS: 1 in 2022, 2 in 2017.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Michael D. Apstein takes part in Medicare
Dr. Apstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Michael D. Apstein graduated from University of Maryland School of Medicine
Dr. Apstein graduated from University of Maryland School of Medicine in 1972.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael D. Apstein'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 DataDmand AI Org Hierarchy 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Michael D. Apstein
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. Michael D. Apstein's NPI number?
Dr. Michael D. Apstein's NPI number is 1609854603. It was assigned on January 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael D. Apstein?
Dr. Michael D. Apstein is a gastroenterologist in Boston, Massachusetts. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Michael D. Apstein practice?
Dr. Apstein practices at 330 Brookline Avenue, Boston, MA 02215. Dr. Apstein's primary practice is Beth Israel Deaconess Medical Center in Boston, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Apstein to 1 group practice or clinic.
What is Dr. Michael D. Apstein's office phone number?
The practice phone on file for Dr. Apstein is (617) 667-7000.
What is Dr. Michael D. Apstein's medical license number?
Dr. Apstein holds Massachusetts license 35625.
Which hospitals is Dr. Michael D. Apstein affiliated with?
Dr. Apstein practices at Beth Israel Deaconess Medical Center in Boston, Massachusetts.
What medical group is Dr. Michael D. Apstein part of?
Dr. Apstein is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center (HMFP).
Does Dr. Michael D. Apstein accept Medicare?
Yes. CMS data shows Dr. Apstein billed Medicare for 21 services in 2023, and Dr. Apstein accepts Medicare assignment.
How many Medicare patients does Dr. Michael D. Apstein see?
CMS counts 33 Medicare patients who saw Dr. Apstein in 2024, with an average age of 75.
What services does Dr. Michael D. Apstein bill to Medicare?
In 2023, Dr. Apstein's most billed Medicare services were hospital inpatient care (99223).
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Where did Dr. Michael D. Apstein go to medical school?
Dr. Apstein graduated from University of Maryland School of Medicine in 1972.
What drugs does Dr. Michael D. Apstein prescribe most?
In 2022 Medicare Part D data, Dr. Apstein's most prescribed drugs by claims were Omeprazole.
How long has Dr. Michael D. Apstein been practicing?
Dr. Apstein graduated from medical school in 1972, 54 years ago.
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