Blood Loss, SurgicalLumbar VertebraePostoperative Complications
Dr. Firas Malek Chamas, MD, PhD
NPI1205077229PAC ID8224222799
- Medicare services, 2024
- 1,976
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 421
- Publications
- 1
- MIPS score, 2024
- 81
- Practice address
- 130 E 77th St, New York, NY 10075
- Practice phone
- Call (212) 434-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Lenox Hill Hospital
New York, New York
Find Dr. Chamas' professional email, personal email and mobile number
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Dr. Firas Malek Chamas is an orthopedic surgeon in New York, New York
Dr. Chamas practices at Lenox Hill Hospital in New York, New York.
Dr. Chamas' NPI, 1205077229, was assigned on March 20, 2009. Dr. Chamas graduated from New York Medical College in 2005. Dr. Chamas holds New York license 265232.
NPI and contact details
- NPI
- 1205077229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8224222799
- NPI enumeration date
- March 20, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (212) 434-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Firas Malek Chamas practices at Lenox Hill Hospital in New York, New York
Dr. Chamas' primary practice is Lenox Hill Hospital, at 130 E 77th St, New York, NY 10075 in New York County. The practice phone is (212) 434-3000.
- Lenox Hill Hospital130 E 77th St, New York, NY 10075 · New York CountyPhone(212) 434-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Firas Malek Chamas is affiliated with 4 sites of care and 1 medical group
Dr. Chamas' primary practice is Lenox Hill Hospital in New York, New York. Dr. Chamas is also affiliated with Lenox Hill Hospital. The medical group on file is NY Orthopedics. Dmand AI also links Dr. Chamas to 1 more hospital and 1 group practice or clinic, each named with a free account.
Lenox Hill HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Firas Malek Chamas' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chamas practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Lenox Hill Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Firas Malek Chamas is one of 1,151 orthopedic surgeons in New York
Orthopaedic surgery is Dr. Chamas' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chamas is licensed in New York.
Specialties and state licenses
- Orthopaedic surgery, New YorkPrimary
Orthopedic surgeons near Dr. Chamas
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. Firas Malek Chamas billed Medicare for 1,976 services in 2024
CMS data shows 1,976 Medicare services from Dr. Chamas across 7 procedure codes in 2024, for 265 Medicare patients. Medicare paid $39,965 for them. Every service was in an office.
Medicare services, 20241,976
Medicare patients265
Paid by Medicare$39,965
Procedure codes7
Dr. Chamas' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 192024: 1,3667089%
- Office and hospital visits
- 2023: 3682024: 40911%
- Imaging
- 2023: 1572024: 18216%
- Surgery
- 2023: 1482024: 1987%
Dr. Chamas compared with the New York median for orthopedic surgeons, 2024
- Dr. Chamas
- New York median
- Medicare services
- 1,976vs 7262.7 times
- Medicare patients
- 265vs 23612% above
- Part D claims
- 343vs 734.7 times
Medians across 1,081 orthopedic surgeons in New York with Dmand AI profiles that report each measure.
Dr. Chamas' 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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Firas Malek Chamas treated 265 Medicare patients in 2024, average age 77
CMS counts 265 Medicare patients who saw Dr. Chamas in 2024. The largest group is 75 to 84, with 127 patients. 75% of them have arthritis, and 75% have high cholesterol. 4% are also on Medicaid. Their average risk score is 1.16, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chamas' median patient age at 54, with 52% women.
Medicare patients, 2024265
Average age77
Average risk score1.16
Also on Medicaid4%
Dr. Chamas' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chamas' Medicare patients by sex, 2024
- Women15759%
- Men10841%
Chronic conditions among Dr. Chamas' Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure67%
- Ischemic heart disease34%
- Diabetes31%
- Osteoporosis28%
- Anxiety27%
- Mood disorders23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chamas' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women52%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Firas Malek Chamas wrote 421 Medicare Part D claims in 2024
In 2024, Dr. Chamas wrote 421 Medicare Part D claims for 151 patients. 98% of them were for generic drugs. CMS names the drug for 343 of them, across 7 drugs with 11 or more claims each, at $2,586 in total drug cost. In 2023, CMS named 374 claims across 7 drugs.
Part D claims, 2024421
Drugs named by CMS7
Total drug cost$2,586
Part D patients151
Dr. Chamas' Part D claims by kind of drug, 2024
- Generic412 claims98%
- Brand-name and other9 claims2%
Dr. Chamas' 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. Chamas' Part D claims, 2024
- Opioids15%62 of 421 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: 3742024: 3438%
Drugs named by CMS: 7 in 2024, 7 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
Dr. Firas Malek Chamas scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Chamas for performance year 2024, reported as part of a group. Dr. Chamas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of spinal fusion by Dr. Chamas, more than 31% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Chamas' MIPS scores, performance year 2024
- 81of 100Final score
- 66.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Chamas ranks in Medicare procedure volume
- Spinal fusion
- 31st percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Firas Malek Chamas has 1 publication on record
Dmand AI links 1 paper to Dr. Chamas. Dr. Chamas' most frequent co-authors are Joshua David Auerbach, MD, Kristin Elizabeth Kean, MD and Baron S. Lonner, MD.
Papers1
Dr. Chamas' most frequent co-authors
- Joshua David Auerbach, MD1 shared paper
- Kristin Elizabeth Kean, MD1 shared paper
- Baron S. Lonner, MD1 shared paper
Recent publications by Dr. Chamas
See who Dr. Chamas researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chamas works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Firas Malek Chamas received $3,456 in industry payments from 2016 to 2025
CMS Open Payments shows 60 general payments to Dr. Chamas from 11 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 74% of the total. DePuy Synthes Sales Inc. paid the most, $874.
General payments to Dr. Chamas by program year, 2016 to 2025
General payments to Dr. Chamas by kind, 2016 to 2025
$3.5Kin total
- Food and beverage$2,55774%
- Travel and lodging$89926%
Companies that paid Dr. Chamas 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. Firas Malek Chamas graduated from New York Medical College
Dr. Chamas graduated from New York Medical College in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Firas Malek Chamas'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Firas Malek Chamas
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. Firas Malek Chamas' NPI number?
Dr. Firas Malek Chamas' NPI number is 1205077229. It was assigned on March 20, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Firas Malek Chamas?
Dr. Firas Malek Chamas is an orthopedic surgeon in New York, New York. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Firas Malek Chamas practice?
Dr. Chamas practices at 130 E 77th St, New York, NY 10075. Dr. Chamas' primary practice is Lenox Hill Hospital in New York, New York. Dmand AI also links Dr. Chamas to 1 hospital and 1 group practice or clinic.
What is Dr. Firas Malek Chamas' office phone number?
The practice phone on file for Dr. Chamas is (212) 434-3000.
What is Dr. Firas Malek Chamas' medical license number?
Dr. Chamas holds New York license 265232.
Which hospitals is Dr. Firas Malek Chamas affiliated with?
Dr. Chamas is affiliated with Lenox Hill Hospital. Dmand AI links Dr. Chamas to 1 more hospital.
What medical group is Dr. Firas Malek Chamas part of?
Dr. Chamas is linked to NY Orthopedics.
Does Dr. Firas Malek Chamas accept Medicare?
Yes. CMS data shows Dr. Chamas billed Medicare for 1,976 services in 2024, and Dr. Chamas accepts Medicare assignment.
What is Dr. Firas Malek Chamas' MIPS score?
Dr. Chamas' MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Firas Malek Chamas see?
CMS counts 265 Medicare patients who saw Dr. Chamas in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
What services does Dr. Firas Malek Chamas bill to Medicare?
In 2024, Dr. Chamas' most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99213) and diagnostic imaging (72100).
Where did Dr. Firas Malek Chamas go to medical school?
Dr. Chamas graduated from New York Medical College in 2005.
What drugs does Dr. Firas Malek Chamas prescribe most?
In 2024 Medicare Part D data, Dr. Chamas' most prescribed drugs by claims were Gabapentin, Methylprednisolone and Tramadol HCl.
Has Dr. Firas Malek Chamas received payments from drug or device companies?
CMS Open Payments shows $3,456 in general payments to Dr. Chamas from 11 companies from 2016 to 2025. The largest total came from DePuy Synthes Sales Inc.
How long has Dr. Firas Malek Chamas been practicing?
Dr. Chamas graduated from medical school in 2005, 21 years ago.
Does Dr. Firas Malek Chamas do research?
Dmand AI links 1 publication to Dr. Chamas.
Who does Dr. Firas Malek Chamas publish with?
Dr. Chamas' most frequent co-authors are Joshua David Auerbach, MD (1 shared paper), Kristin Elizabeth Kean, MD (1 shared paper) and Baron S. Lonner, MD (1 shared paper).
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