Dr. Roger J. Mah, MD
- Medicare services, 2024
- 128
- Medicare patients, 2024
- 140
- Industry payments
- $1,701
- Affiliated sites
- 7
- Medical groups
- 6
- Practice address
- 12400 W Wilshire Blvd, Los Angeles, CA 90025
- Practice phone
- Call (310) 442-5566
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Endoscopy Center of Santa Monica
Los Angeles, California
Find Dr. Mah'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. Roger J. Mah is an anesthesiologist in Los Angeles, California
Dr. Mah practices at Endoscopy Center of Santa Monica in Los Angeles, California.
Dr. Mah's NPI, 1477564185, was assigned on August 10, 2006. Dr. Mah graduated from MCP-Hahnemann College of Medicine in 1991. Dr. Mah's California license number on file is G77107.
- NPI
- 1477564185NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587830419
- NPI enumeration date
- August 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 442-5566
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Roger J. Mah practices at Endoscopy Center of Santa Monica in Los Angeles, California
Dr. Mah's primary practice is Endoscopy Center of Santa Monica, at 12400 W Wilshire Blvd, Los Angeles, CA 90025 in Los Angeles County. The practice phone is (310) 442-5566.
- Endoscopy Center of Santa Monica12400 W Wilshire Blvd, Los Angeles, CA 90025 · Los Angeles CountyPhone(310) 442-5566
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Roger J. Mah is affiliated with 8 sites of care and 6 medical groups
Dr. Mah's primary practice is Endoscopy Center of Santa Monica in Los Angeles, California. The medical group on file is Bayside Anesthesia Medical Group. Dmand AI also links Dr. Mah to 6 more group practices and clinics, 5 medical groups and 1 physician office, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Roger J. Mah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mah practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Endoscopy Center of Santa Monica | Available with a free account |
| +7 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Roger J. Mah is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Mah's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Mah is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Mah's licenses on file in 3 states: California, Wisconsin and Pennsylvania.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
- Wisconsin license
- Pennsylvania license
Anesthesiologists near Dr. Mah
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. Roger J. Mah billed Medicare for 128 services in 2024
CMS data shows 128 Medicare services from Dr. Mah across 4 procedure codes in 2024, for 140 Medicare patients. Medicare paid $13,243 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mah's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 702024: 12883%
Dr. Mah compared with the California median for anesthesiologists, 2024
- Dr. Mah
- California median
- Medicare services
- 128vs 7278% above
- Medicare patients
- 140vs 143Close to median
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Mah'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.
Need commercial claims for Dr. Mah?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mah and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Roger J. Mah treated 140 Medicare patients in 2024, average age 74
CMS counts 140 Medicare patients who saw Dr. Mah in 2024. The largest group is 65 to 74, with 76 patients. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mah's median patient age at 62, with 50% women.
Dr. Mah's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Mah's Medicare patients by sex, 2024
- Women6949%
- Men7151%
Chronic conditions among Dr. Mah's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis54%
- Ischemic heart disease33%
- Osteoporosis24%
- Diabetes21%
- Anxiety20%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women50%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Roger J. Mah takes part in Medicare
Dr. Mah 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. Roger J. Mah received $1,701 in industry payments from 2016 to 2025
CMS Open Payments shows 54 general payments to Dr. Mah from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 94% of the total. Halyard Health, Inc. paid the most, $341.
General payments to Dr. Mah by program year, 2016 to 2025
General payments to Dr. Mah by kind, 2016 to 2025
- Food and beverage$1,60194%
- Consulting fees$1006%
Companies that paid Dr. Mah 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. Roger J. Mah graduated from MCP-Hahnemann College of Medicine
Dr. Mah graduated from MCP-Hahnemann College of Medicine in 1991.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Roger J. Mah accepts plans from 1 insurance carrier
Dr. Mah is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Dr. Roger J. Mah'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) |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Roger J. Mah
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. Roger J. Mah's NPI number?
Dr. Roger J. Mah's NPI number is 1477564185. It was assigned on August 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Roger J. Mah?
Dr. Roger J. Mah is an anesthesiologist in Los Angeles, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Roger J. Mah practice?
Dr. Mah practices at 12400 W Wilshire Blvd, Los Angeles, CA 90025. Dr. Mah's primary practice is Endoscopy Center of Santa Monica in Los Angeles, California. Dmand AI also links Dr. Mah to 6 group practices and clinics, 5 medical groups and 1 physician office.
What is Dr. Roger J. Mah's office phone number?
The practice phone on file for Dr. Mah is (310) 442-5566.
What is Dr. Roger J. Mah's medical license number?
Dr. Mah's California license number on file is G77107, one of the licenses on file in 3 states.
Which states has Dr. Roger J. Mah been licensed in?
Dmand AI has state licenses on file for Dr. Mah in California (1993 to 2025), Wisconsin (1995 to 1997) and Pennsylvania (1991 to 1992).
What medical group is Dr. Roger J. Mah part of?
Dr. Mah is linked to Bayside Anesthesia Medical Group. Dmand AI links Dr. Mah to 5 more medical groups.
Does Dr. Roger J. Mah accept Medicare?
Yes. CMS data shows Dr. Mah billed Medicare for 128 services in 2024, and Dr. Mah accepts Medicare assignment.
How many Medicare patients does Dr. Roger J. Mah see?
CMS counts 140 Medicare patients who saw Dr. Mah in 2024, with an average age of 74.
Is Dr. Roger J. Mah board certified?
Yes. Dr. Mah is board certified in anesthesiology by the American Board of Anesthesiology.
Show 5 more questionsShow fewer questions
What services does Dr. Roger J. Mah bill to Medicare?
In 2024, Dr. Mah's most billed Medicare services were anesthesia (00811), anesthesia (00813) and anesthesia (00731).
Where did Dr. Roger J. Mah go to medical school?
Dr. Mah graduated from MCP-Hahnemann College of Medicine in 1991.
Has Dr. Roger J. Mah received payments from drug or device companies?
CMS Open Payments shows $1,701 in general payments to Dr. Mah from 14 companies from 2016 to 2025. The largest total came from Halyard Health, Inc.
How long has Dr. Roger J. Mah been practicing?
Dr. Mah graduated from medical school in 1991, 35 years ago.
What insurance does Dr. Roger J. Mah accept?
Dr. Mah is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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