Black or African AmericanDelivery of Health CareEthnicity
Dr. Mark Robert Drews, MD
NPI1184693616PAC ID8729027834
- Medicare services, 2024
- 101
- Medicare patients, 2024
- 61
- Part D claims, 2024
- 5,414
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 495 Western Ave, Brighton, MA 02135
- Practice phone
- Call (781) 693-3800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Charles River Community Health, Inc
Brighton, Massachusetts
Find Dr. Drews' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark Robert Drews is an internist in Brighton, Massachusetts
Dr. Drews practices at Charles River Community Health, Inc in Brighton, Massachusetts.
Dr. Drews' NPI, 1184693616, was assigned on March 16, 2006. Dr. Drews graduated from New York University School of Medicine in 1988. Dr. Drews holds Massachusetts license 73118.
NPI and contact details
- NPI
- 1184693616NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729027834
- NPI enumeration date
- March 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 693-3800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Robert Drews practices at Charles River Community Health, Inc in Brighton, Massachusetts
Dr. Drews' primary practice is Charles River Community Health, Inc, at 495 Western Ave, Brighton, MA 02135 in Suffolk County. The practice phone is (781) 693-3800.
- Charles River Community Health, Inc495 Western Ave, Brighton, MA 02135 · Suffolk CountyPhone(781) 693-3800
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Robert Drews is affiliated with 7 sites of care and 1 medical group
Dr. Drews' primary practice is Charles River Community Health, Inc in Brighton, Massachusetts. Dr. Drews is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Charles River Community Health. Dmand AI also links Dr. Drews to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Charles River Community Health, IncPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark Robert Drews' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Drews practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charles River Community Health, Inc | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Drews practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Robert Drews is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Drews' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Drews is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Drews
Counts of internists 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. Mark Robert Drews billed Medicare for 101 services in 2024
CMS data shows 101 Medicare services from Dr. Drews across 1 procedure code in 2024, for 61 Medicare patients. Medicare paid $962 for them. Every service was in an office.
Medicare services, 2024101
Medicare patients61
Paid by Medicare$962
Procedure codes1
Dr. Drews' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 782024: 10129%
- Other services
- 2023: 152024: 0100%
- Surgery
- 2023: 142024: 0100%
Dr. Drews compared with the Massachusetts median for internists, 2024
- Dr. Drews
- Massachusetts median
- Medicare services
- 101vs 43177% below
- Medicare patients
- 61vs 19469% below
- Part D claims
- 4,773vs 40211.9 times
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Drews' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Drews?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Drews and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Robert Drews treated 61 Medicare patients in 2024, average age 72
CMS counts 61 Medicare patients who saw Dr. Drews in 2024. The largest group is 65 to 74, with 28 patients. 72% of them have high blood pressure, and 70% have high cholesterol. 82% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Drews' median patient age at 58, with 64% women.
Medicare patients, 202461
Average age72
Average risk score1.02
Also on Medicaid82%
Dr. Drews' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Drews' Medicare patients by sex, 2024
- Women3354%
- Men2846%
Chronic conditions among Dr. Drews' Medicare patients, 2024
- High blood pressure72%
- High cholesterol70%
- Diabetes66%
- Arthritis30%
- Chronic kidney disease28%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Drews' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 58
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Robert Drews wrote 5,414 Medicare Part D claims in 2024
In 2024, Dr. Drews wrote 5,414 Medicare Part D claims for 324 patients. 82% of them were for generic drugs. CMS names the drug for 4,773 of them, across 111 drugs with 11 or more claims each, at $599,601 in total drug cost. In 2023, CMS named 3,902 claims across 95 drugs.
Part D claims, 20245,414
Drugs named by CMS111
Total drug cost$599,601
Part D patients324
Dr. Drews' Part D claims by kind of drug, 2024
- Generic4,428 claims82%
- Brand-name912 claims17%
- Other74 claims1%
Dr. Drews' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Drews' Part D claims, 2024
- Opioids2%121 of 5,414 claims
- Antibiotics1%60 of 5,414 claims
- Antipsychotics, patients 65 and over0%12 of 5,414 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3,9022024: 4,77322%
Drugs named by CMS: 111 in 2024, 95 in 2023.
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. Mark Robert Drews takes part in Medicare
Dr. Drews 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
Find internists like Dr. Drews by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Robert Drews has 2 publications on record
Dmand AI links 2 papers to Dr. Drews, published from 2013 to 2023. Dr. Drews' most frequent co-authors are Suzanne T. Berlin, DO and Aymen Elfiky, MA, MD, MPH.
Papers2
Years published2013 to 2023
Dr. Drews' most frequent co-authors
- Suzanne T. Berlin, DO1 shared paper
- Aymen Elfiky, MA, MD, MPH1 shared paper
Recent publications by Dr. Drews
See who Dr. Drews researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Drews works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mark Robert Drews received $476 in industry payments from 2017 to 2025
CMS Open Payments shows 12 general payments to Dr. Drews from 4 drug and device companies from 2017 to 2025. Education make up the largest share, 59% of the total. Abbott Laboratories paid the most, $308.
General payments to Dr. Drews by program year, 2017 to 2025
General payments to Dr. Drews by kind, 2017 to 2025
$476in total
- Education$28059%
- Food and beverage$19641%
Companies that paid Dr. Drews the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Robert Drews graduated from New York University School of Medicine
Dr. Drews graduated from New York University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Robert Drews'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 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) |
| 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. Mark Robert Drews
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. Mark Robert Drews' NPI number?
Dr. Mark Robert Drews' NPI number is 1184693616. It was assigned on March 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Robert Drews?
Dr. Mark Robert Drews is an internist in Brighton, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark Robert Drews practice?
Dr. Drews practices at 495 Western Ave, Brighton, MA 02135. Dr. Drews' primary practice is Charles River Community Health, Inc in Brighton, Massachusetts. Dmand AI also links Dr. Drews to 4 hospitals and 1 group practice or clinic.
What is Dr. Mark Robert Drews' office phone number?
The practice phone on file for Dr. Drews is (781) 693-3800.
What is Dr. Mark Robert Drews' medical license number?
Dr. Drews holds Massachusetts license 73118.
Which hospitals is Dr. Mark Robert Drews affiliated with?
Dr. Drews is affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Drews to 4 more hospitals.
What medical group is Dr. Mark Robert Drews part of?
Dr. Drews is linked to Charles River Community Health.
Does Dr. Mark Robert Drews accept Medicare?
Yes. CMS data shows Dr. Drews billed Medicare for 101 services in 2024, and Dr. Drews accepts Medicare assignment.
How many Medicare patients does Dr. Mark Robert Drews see?
CMS counts 61 Medicare patients who saw Dr. Drews in 2024, with an average age of 72.
What services does Dr. Mark Robert Drews bill to Medicare?
In 2024, Dr. Drews' most billed Medicare services were lab and pathology test (83036).
Show 6 more questionsShow fewer questions
Where did Dr. Mark Robert Drews go to medical school?
Dr. Drews graduated from New York University School of Medicine in 1988.
What drugs does Dr. Mark Robert Drews prescribe most?
In 2024 Medicare Part D data, Dr. Drews' most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Metformin HCl.
Has Dr. Mark Robert Drews received payments from drug or device companies?
CMS Open Payments shows $476 in general payments to Dr. Drews from 4 companies from 2017 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Mark Robert Drews been practicing?
Dr. Drews graduated from medical school in 1988, 38 years ago.
Does Dr. Mark Robert Drews do research?
Dmand AI links 2 publications to Dr. Drews, published from 2013 to 2023.
Who does Dr. Mark Robert Drews publish with?
Dr. Drews' most frequent co-authors are Suzanne T. Berlin, DO (1 shared paper) and Aymen Elfiky, MA, MD, MPH (1 shared paper).
Selling to internal medicine practices?
See internists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card