Andrew Garrett Mah, OD
- Medicare patients, 2024
- 27
- Industry payments
- $17
- Affiliated sites
- 2
- Medical group
- 1
- Year NPI issued
- 2017
- Practice address
- 150 Muir Rd, Martinez, CA 94553
- Practice phone
- Call (702) 341-3020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Martinez VA Medical Center
VA Clinic / Health Facility · Martinez, California
Find Andrew 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.
Andrew Garrett Mah is an optometrist in Martinez, California
Andrew Mah practices at Martinez VA Medical Center in Martinez, California.
Andrew Mah's NPI, 1497286496, was assigned on March 22, 2017.
- NPI
- 1497286496NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2017
- NPI status
- Active
- Practice phone
- (702) 341-3020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Andrew Garrett Mah practices at Martinez VA Medical Center in Martinez, California
Andrew Mah's primary practice is Martinez VA Medical Center, at 150 Muir Rd, Martinez, CA 94553. The practice phone is (702) 341-3020.
- Martinez VA Medical Center150 Muir Rd, Martinez, CA 94553Phone(702) 341-3020
Source: Dmand AI Affiliation Data
Andrew Garrett Mah is affiliated with 2 sites of care and 1 medical group
Andrew Mah's primary practice is Martinez VA Medical Center in Martinez, California. Dmand AI also links Andrew Mah to 1 group practice or clinic and 1 medical group, each named with a free account. Andrew Mah's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Andrew Garrett Mah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Andrew Mah practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martinez VA Medical Center | 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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Andrew Garrett Mah is one of 7,206 optometrists in California
Optometrist is Andrew Mah's primary specialty in the NPI Registry, under taxonomy code 152W00000X.
Specialties and state licenses
- OptometristPrimary
Optometrists near Andrew Mah
Counts of optometrists 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
Andrew Garrett Mah treated 27 Medicare patients in 2024, average age 75
CMS counts 27 Medicare patients who saw Andrew Mah in 2024. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.90, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Andrew Mah's median patient age at 71, with 30% women.
Chronic conditions among Andrew Mah's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis44%
Share of Medicare patients with each condition. A patient can have several.
Andrew 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 71
Patient panel by sex, all payers
- Women30%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Andrew Garrett Mah received $17 in industry payments in 2025
CMS Open Payments shows 1 general payment to Andrew Mah from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $17.
Companies that paid Andrew Mah the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Andrew Garrett 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (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 Andrew Garrett 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 Andrew Garrett Mah's NPI number?
Andrew Garrett Mah's NPI number is 1497286496. It was assigned on March 22, 2017, and it is active in the NPI Registry.
What does Andrew Garrett Mah specialize in?
Andrew Garrett Mah is an optometrist in Martinez, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Andrew Garrett Mah practice?
Andrew Mah practices at 150 Muir Rd, Martinez, CA 94553. Andrew Mah's primary practice is Martinez VA Medical Center in Martinez, California. Dmand AI also links Andrew Mah to 1 group practice or clinic and 1 medical group.
What is Andrew Garrett Mah's office phone number?
The practice phone on file for Andrew Mah is (702) 341-3020.
How many Medicare patients does Andrew Garrett Mah see?
CMS counts 27 Medicare patients who saw Andrew Mah in 2024, with an average age of 75.
Has Andrew Garrett Mah received payments from drug or device companies?
CMS Open Payments shows $17 in general payments to Andrew Mah from 1 company from 2025 to 2025. The largest total came from Amgen Inc.
How long has Andrew Garrett Mah been practicing?
Andrew Mah graduated from medical school in 2016, 10 years ago.
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