Dr. Mohamed Mahmoud, MD
- Medicare services, 2024
- 485
- Medicare patients, 2024
- 471
- Part D claims, 2023
- 11
- Hospital affiliations
- 4
- Industry payments
- $72
- Practice address
- 41 Highland Avenue, Winchester, MA 01890
- Practice phone
- Call (781) 729-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mahmoud's 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. Mohamed Mahmoud is an internist in Winchester, Massachusetts
Dr. Mahmoud practices at Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health.
Dr. Mahmoud's NPI, 1033191366, was assigned on November 14, 2005. Dr. Mahmoud holds Massachusetts license 220812.
- NPI
- 1033191366NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2163420191
- NPI enumeration date
- November 14, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 729-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mohamed Mahmoud practices at Winchester Hospital in Winchester, Massachusetts
Dr. Mahmoud's primary practice is Winchester Hospital, at 41 Highland Avenue, Winchester, MA 01890 in Middlesex County. The practice phone is (781) 729-9000.
- Winchester Hospital41 Highland Avenue, Winchester, MA 01890 · Middlesex CountyPhone(781) 729-9000
Source: Dmand AI Affiliation Data
Dr. Mohamed Mahmoud is affiliated with 4 sites of care and 5 medical groups
Dr. Mahmoud's primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. Dr. Mahmoud is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is New England Inpatient Specialists. Dmand AI also links Dr. Mahmoud to 2 more hospitals and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mohamed Mahmoud's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mahmoud practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Winchester Hospital | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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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. Mohamed Mahmoud is one of 5,528 internists in Massachusetts
Internal medicine is Dr. Mahmoud's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mahmoud is licensed in Massachusetts.
Specialties and state licenses
- Internal medicine, MassachusettsPrimary
Internists near Dr. Mahmoud
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. Mohamed Mahmoud billed Medicare for 485 services in 2024
CMS data shows 485 Medicare services from Dr. Mahmoud across 2 procedure codes in 2024, for 471 Medicare patients. Medicare paid $66,108 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mahmoud's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3392024: 48543%
Dr. Mahmoud compared with the Massachusetts median for internists, 2024
- Dr. Mahmoud
- Massachusetts median
- Medicare services
- 485vs 43113% above
- Medicare patients
- 471vs 1942.4 times
- Part D claims
- 11vs 40297% below
Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Mahmoud's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mahmoud and other internists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mohamed Mahmoud treated 471 Medicare patients in 2024, average age 79
CMS counts 471 Medicare patients who saw Dr. Mahmoud in 2024. The largest group is 75 to 84, with 187 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.03, 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. Mahmoud's median patient age at 74, with 53% women.
Dr. Mahmoud's Medicare patients by age, 2024
Dr. Mahmoud's Medicare patients by sex, 2024
- Women27358%
- Men19842%
Chronic conditions among Dr. Mahmoud's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Chronic kidney disease50%
- Ischemic heart disease50%
- Anxiety46%
- Mood disorders45%
- Heart failure43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mahmoud'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
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mohamed Mahmoud wrote 11 Medicare Part D claims in 2023
In 2023, Dr. Mahmoud wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $147 in total drug cost.
Dr. Mahmoud's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Mohamed Mahmoud takes part in Medicare
Dr. Mahmoud 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)
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Dr. Mohamed Mahmoud received $72 in industry payments from 2016 to 2024
CMS Open Payments shows 4 general payments to Dr. Mahmoud from 3 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $36.
General payments to Dr. Mahmoud by program year, 2016 to 2024
Companies that paid Dr. Mahmoud the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Mohamed Mahmoud'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Mohamed Mahmoud
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. Mohamed Mahmoud's NPI number?
Dr. Mohamed Mahmoud's NPI number is 1033191366. It was assigned on November 14, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mohamed Mahmoud?
Dr. Mohamed Mahmoud is an internist in Winchester, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mohamed Mahmoud practice?
Dr. Mahmoud practices at 41 Highland Avenue, Winchester, MA 01890. Dr. Mahmoud's primary practice is Winchester Hospital in Winchester, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Mahmoud to 2 hospitals and 4 medical groups.
What is Dr. Mohamed Mahmoud's office phone number?
The practice phone on file for Dr. Mahmoud is (781) 729-9000.
What is Dr. Mohamed Mahmoud's medical license number?
Dr. Mahmoud holds Massachusetts license 220812.
Which hospitals is Dr. Mohamed Mahmoud affiliated with?
Dr. Mahmoud practices at Winchester Hospital in Winchester, Massachusetts. Dr. Mahmoud is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Mahmoud to 2 more hospitals.
What medical group is Dr. Mohamed Mahmoud part of?
Dr. Mahmoud is linked to New England Inpatient Specialists. Dmand AI links Dr. Mahmoud to 4 more medical groups.
Does Dr. Mohamed Mahmoud accept Medicare?
Yes. CMS data shows Dr. Mahmoud billed Medicare for 485 services in 2024, and Dr. Mahmoud accepts Medicare assignment.
How many Medicare patients does Dr. Mohamed Mahmoud see?
CMS counts 471 Medicare patients who saw Dr. Mahmoud in 2024, with an average age of 79.
What services does Dr. Mohamed Mahmoud bill to Medicare?
In 2024, Dr. Mahmoud's most billed Medicare services were hospital inpatient care (99223) and hospital inpatient care (99222).
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What drugs does Dr. Mohamed Mahmoud prescribe most?
In 2023 Medicare Part D data, Dr. Mahmoud's most prescribed drugs by claims were Pantoprazole Sodium.
Has Dr. Mohamed Mahmoud received payments from drug or device companies?
CMS Open Payments shows $72 in general payments to Dr. Mahmoud from 3 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Mohamed Mahmoud been practicing?
Dr. Mahmoud graduated from medical school in 1995, 31 years ago.
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