Dr. Michael Assayag, MD
- Medicare services, 2024
- 298
- Medicare patients, 2024
- 151
- Part D claims, 2017
- 11
- Hospital affiliations
- 2
- Industry payments
- $76,970
- Practice address
- 2401 West Belvedere Avenue, Baltimore, MD 21215
- Practice phone
- Call (410) 601-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael Assayag is an orthopedic surgeon in Baltimore, Maryland
Dr. Assayag practices at Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health.
Dr. Assayag's NPI, 1457726713, was assigned on December 11, 2015. Dr. Assayag graduated from Laval University in 2010. Dr. Assayag holds Maryland license P31906.
- NPI
- 1457726713NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224394960
- NPI enumeration date
- December 11, 2015
- NPI status
- Active
- Practice phone
- (410) 601-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Assayag practices at Sinai Hospital of Baltimore in Baltimore, Maryland
Dr. Assayag's primary practice is Sinai Hospital of Baltimore, at 2401 West Belvedere Avenue, Baltimore, MD 21215 in Baltimore City. The practice phone is (410) 601-9000.
- Sinai Hospital of Baltimore2401 West Belvedere Avenue, Baltimore, MD 21215 · Baltimore CityPhone(410) 601-9000
Source: Dmand AI Affiliation Data
Dr. Michael Assayag is affiliated with 3 sites of care and 2 medical groups
Dr. Assayag's primary practice is Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health. Dr. Assayag is also affiliated with Northwest Hospital. The medical group on file is Sinai Rehab Pain Medicine Associates. Dmand AI also links Dr. Assayag to 1 more home health agency and 1 medical group, 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. Michael Assayag's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Assayag practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sinai Hospital of Baltimore | Available with a free account |
| +2 more sites and 1 medical group | 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 LifeBridge Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Assayag is one of 404 orthopedic surgeons in Maryland
Orthopaedic surgery is Dr. Assayag's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Assayag is licensed in Maryland.
Specialties and state licenses
- Orthopaedic surgery, MarylandPrimary
Orthopedic surgeons near Dr. Assayag
Counts of orthopedic surgeons 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 Assayag billed Medicare for 298 services in 2024
CMS data shows 298 Medicare services from Dr. Assayag across 10 procedure codes in 2024, for 151 Medicare patients. Medicare paid $35,116 for them.
Dr. Assayag's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1332024: 15315%
- Drugs given in the office
- 2023: 602024: 658%
- Imaging
- 2023: 732024: 6116%
- Surgery
- 2023: 202024: 195%
Where Dr. Assayag's Medicare services took place, 2024
- In an office23880%
- In a facility6020%
Dr. Assayag compared with the Maryland median for orthopedic surgeons, 2024
- Dr. Assayag
- Maryland median
- Medicare services
- 298vs 1,34378% below
- Medicare patients
- 151vs 34356% below
- Part D claims
- 11vs 9088% below
Medians across 368 orthopedic surgeons in Maryland with Dmand AI profiles that report each measure.
Dr. Assayag'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. Assayag and other orthopedic surgeons in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Assayag treated 151 Medicare patients in 2024, average age 75
CMS counts 151 Medicare patients who saw Dr. Assayag in 2024. The largest group is 75 to 84, with 50 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 25% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Assayag's median patient age at 38, with 53% women.
Dr. Assayag's Medicare patients by age, 2024
Dr. Assayag's Medicare patients by sex, 2024
- Women9664%
- Men5536%
Chronic conditions among Dr. Assayag's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis61%
- Mood disorders41%
- Diabetes38%
- Depression35%
- Anxiety32%
- Osteoporosis32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Assayag's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Assayag wrote 11 Medicare Part D claims in 2017
In 2017, Dr. Assayag wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $29 in total drug cost.
Dr. Assayag's most prescribed drugs by claims, 2017
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. Michael Assayag takes part in Medicare
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Source: Doctors and Clinicians Utilization Data (CMS)
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Dr. Michael Assayag received $76,970 in industry payments from 2017 to 2025
CMS Open Payments shows 191 general payments to Dr. Assayag from 27 drug and device companies from 2017 to 2025. Speaker and faculty fees make up the largest share, 57% of the total. Kyowa Kirin, Inc. paid the most, $45,220.
General payments to Dr. Assayag by program year, 2017 to 2025
General payments to Dr. Assayag by kind, 2017 to 2025
- Speaker and faculty fees$43,64557%
- Consulting fees$14,58919%
- Travel and lodging$11,51515%
- Food and beverage$6,8969%
- Device or supply loans$3250%
Companies that paid Dr. Assayag 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. Michael Assayag graduated from Laval University
Dr. Assayag graduated from Laval University in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Assayag'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 Utilization Data (CMS) (opens in a new tab) |
| 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. Michael Assayag
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 Assayag's NPI number?
Dr. Michael Assayag's NPI number is 1457726713. It was assigned on December 11, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Assayag?
Dr. Michael Assayag is an orthopedic surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Michael Assayag practice?
Dr. Assayag practices at 2401 West Belvedere Avenue, Baltimore, MD 21215. Dr. Assayag's primary practice is Sinai Hospital of Baltimore in Baltimore, Maryland, part of LifeBridge Health. Dmand AI also links Dr. Assayag to 1 home health agency and 1 medical group.
What is Dr. Michael Assayag's office phone number?
The practice phone on file for Dr. Assayag is (410) 601-9000.
What is Dr. Michael Assayag's medical license number?
Dr. Assayag holds Maryland license P31906.
Which hospitals is Dr. Michael Assayag affiliated with?
Dr. Assayag practices at Sinai Hospital of Baltimore in Baltimore, Maryland. Dr. Assayag is also affiliated with Northwest Hospital.
What medical group is Dr. Michael Assayag part of?
Dr. Assayag is linked to Sinai Rehab Pain Medicine Associates. Dmand AI links Dr. Assayag to 1 more medical group.
Does Dr. Michael Assayag accept Medicare?
Yes. CMS data shows Dr. Assayag billed Medicare for 298 services in 2024.
How many Medicare patients does Dr. Michael Assayag see?
CMS counts 151 Medicare patients who saw Dr. Assayag in 2024, with an average age of 75.
What services does Dr. Michael Assayag bill to Medicare?
In 2024, Dr. Assayag's most billed Medicare services were injected or infused drug (J3301), office visit, established patient (99213) and office visit, new patient (99203).
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Where did Dr. Michael Assayag go to medical school?
Dr. Assayag graduated from Laval University in 2010.
What drugs does Dr. Michael Assayag prescribe most?
In 2017 Medicare Part D data, Dr. Assayag's most prescribed drugs by claims were Meloxicam.
Has Dr. Michael Assayag received payments from drug or device companies?
CMS Open Payments shows $76,970 in general payments to Dr. Assayag from 27 companies from 2017 to 2025. The largest total came from Kyowa Kirin, Inc.
How long has Dr. Michael Assayag been practicing?
Dr. Assayag graduated from medical school in 2010, 16 years ago.
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