Dr. Gassan I. Mohama, MD
- Medicare services, 2024
- 939
- Medicare patients, 2024
- 789
- Hospital affiliations
- 1
- Industry payments
- $570
- Medical groups
- 2
- Practice address
- 18200 S. Lagrange Rd, Tinley Park, IL 60487
- Practice phone
- Call (708) 570-2490
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)
Surgery Center - Not Medicare-Certified · Tinley Park, Illinois
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Dr. Gassan I. Mohama is an anesthesiologist in Tinley Park, Illinois
Dr. Mohama practices at Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois.
Dr. Mohama's NPI, 1487848354, was assigned on September 4, 2007.
- NPI
- 1487848354NPI Registry (opens in a new tab)
- NPI enumeration date
- September 4, 2007
- NPI status
- Active
- Practice phone
- (708) 570-2490
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gassan I. Mohama practices at 2 locations in Tinley Park, Illinois
Dr. Mohama's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd), at 18200 S. Lagrange Rd, Tinley Park, IL 60487. The practice phone is (708) 570-2490. Dr. Mohama also practices at Tinley Woods Surgery Center, 18210 La Grange Rd, Tinley Park, IL 60487.
- Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd)Primary18200 S. Lagrange Rd, Tinley Park, IL 60487Phone(708) 570-2490
- Tinley Woods Surgery Center18210 La Grange Rd, Tinley Park, IL 60487 · Cook CountyPhone(708) 570-2490
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Gassan I. Mohama is affiliated with 2 sites of care and 2 medical groups
Dr. Mohama's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. Dr. Mohama is also affiliated with University of Illinois Hospital. The medical group on file is Ambulatory Anesthesiologists of Chicago. Dmand AI also links Dr. Mohama to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gassan I. Mohama's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mohama practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gassan I. Mohama is one of 1,887 anesthesiologists in Illinois
Anesthesiology is Dr. Mohama's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Mohama has a license on file in Illinois.
Specialties and state licenses
- Anesthesiology, Illinois
Anesthesiologists near Dr. Mohama
Counts of anesthesiologists 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. Gassan I. Mohama billed Medicare for 939 services in 2024
CMS data shows 939 Medicare services from Dr. Mohama across 3 procedure codes in 2024, for 789 Medicare patients. Medicare paid $74,063 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mohama's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 2,0872024: 93955%
Dr. Mohama compared with the Illinois median for anesthesiologists, 2024
- Dr. Mohama
- Illinois median
- Medicare services
- 939vs 9110.3 times
- Medicare patients
- 789vs 1575.0 times
Medians across 1,742 anesthesiologists in Illinois with Dmand AI profiles that report each measure.
Dr. Mohama'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. Mohama and other anesthesiologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gassan I. Mohama treated 789 Medicare patients in 2024, average age 75
CMS counts 789 Medicare patients who saw Dr. Mohama in 2024. The largest group is 65 to 74, with 368 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.05, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mohama's median patient age at 59, with 70% women.
Dr. Mohama's Medicare patients by age, 2024
Dr. Mohama's Medicare patients by sex, 2024
- Women48161%
- Men30839%
Chronic conditions among Dr. Mohama's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
- Arthritis43%
- Diabetes24%
- Ischemic heart disease23%
- Anxiety19%
- Mood disorders19%
- Osteoporosis19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mohama's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women70%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gassan I. Mohama scored 0 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 0 out of 100 for Dr. Mohama for performance year 2024, reported individually.
Dr. Mohama's MIPS scores, performance year 2024
- 0of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Gassan I. Mohama received $570 in industry payments from 2016 to 2024
CMS Open Payments shows 25 general payments to Dr. Mohama from 8 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $200.
General payments to Dr. Mohama by program year, 2016 to 2024
Companies that paid Dr. Mohama 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. Gassan I. Mohama'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 Affiliation DataDmand AI Practice 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (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. Gassan I. Mohama
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. Gassan I. Mohama's NPI number?
Dr. Gassan I. Mohama's NPI number is 1487848354. It was assigned on September 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Gassan I. Mohama?
Dr. Gassan I. Mohama is an anesthesiologist in Tinley Park, Illinois. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Gassan I. Mohama practice?
Dr. Mohama practices at 18200 S. Lagrange Rd, Tinley Park, IL 60487. Dr. Mohama also practices at 18210 La Grange Rd, Tinley Park, IL 60487. Dr. Mohama's primary practice is Tinley Woods Surgery Center - Tinley Park (S Lagrange Rd) in Tinley Park, Illinois. Dmand AI also links Dr. Mohama to 1 medical group.
What is Dr. Gassan I. Mohama's office phone number?
The practice phone on file for Dr. Mohama is (708) 570-2490.
Which hospitals is Dr. Gassan I. Mohama affiliated with?
Dr. Mohama is affiliated with University of Illinois Hospital.
What medical group is Dr. Gassan I. Mohama part of?
Dr. Mohama is linked to Ambulatory Anesthesiologists of Chicago. Dmand AI links Dr. Mohama to 1 more medical group.
Does Dr. Gassan I. Mohama accept Medicare?
Yes. CMS data shows Dr. Mohama billed Medicare for 939 services in 2024.
What is Dr. Gassan I. Mohama's MIPS score?
Dr. Mohama's MIPS final score for performance year 2024 is 0 out of 100, reported individually.
How many Medicare patients does Dr. Gassan I. Mohama see?
CMS counts 789 Medicare patients who saw Dr. Mohama in 2024, with an average age of 75.
What services does Dr. Gassan I. Mohama bill to Medicare?
In 2024, Dr. Mohama's most billed Medicare services were anesthesia (00142), anesthesia (00140) and anesthesia (00145).
Has Dr. Gassan I. Mohama received payments from drug or device companies?
CMS Open Payments shows $570 in general payments to Dr. Mohama from 8 companies from 2016 to 2024. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Gassan I. Mohama been practicing?
Dr. Mohama graduated from medical school in 1983, 43 years ago.
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