Maria Ha, OD
- Medicare patients, 2024
- 14
- Industry payments
- $26
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 383 Sacramento St, San Francisco, CA 94111-3601
- Practice phone
- Call (415) 781-2020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Dr. Hall & Szeto Optometry
Eye care practice · San Francisco, California
Find Maria Ha'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.
Maria Ha is an optometrist in San Francisco, California
Maria Ha practices at Dr. Hall & Szeto Optometry in San Francisco, California.
Maria Ha's NPI, 1487679601, was assigned on July 12, 2006. Maria Ha graduated from University of California - School of Optometry in 2001. Maria Ha holds California license 11641T.
- NPI
- 1487679601NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739304023
- NPI enumeration date
- July 12, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 781-2020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maria Ha practices at Dr. Hall & Szeto Optometry in San Francisco, California
Maria Ha's primary practice is Dr. Hall & Szeto Optometry, at 383 Sacramento St, San Francisco, CA 94111-3601. The practice phone is (415) 781-2020.
- Dr. Hall & Szeto Optometry383 Sacramento St, San Francisco, CA 94111-3601Phone(415) 781-2020
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maria Ha is affiliated with 1 site of care and 1 medical group
Maria Ha's primary practice is Dr. Hall & Szeto Optometry in San Francisco, California. Dmand AI also links Maria Ha to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Maria Ha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maria Ha practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Hall & Szeto Optometry | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Maria Ha is one of 7,206 optometrists in California
Optometrist is Maria Ha's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Maria Ha is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Maria Ha
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
Maria Ha treated 14 Medicare patients in 2024, average age 75
CMS counts 14 Medicare patients who saw Maria Ha in 2024. The largest group is under 65, with 0 patients. Their average risk score is 1.02, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Maria Ha's median patient age at 59, with 50% women.
Maria Ha's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Maria Ha'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
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Maria Ha takes part in Medicare
Maria Ha 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)
Maria Ha received $26 in industry payments in 2025
CMS Open Payments shows 1 general payment to Maria Ha from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Johnson & Johnson Vision Care, Inc. paid the most, $26.
Companies that paid Maria Ha the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Maria Ha graduated from University of California - School of Optometry
Maria Ha graduated from University of California - School of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Maria Ha'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 |
| 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 Maria Ha
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maria Ha's NPI number?
Maria Ha's NPI number is 1487679601. It was assigned on July 12, 2006, and it is active in the NPI Registry.
What does Maria Ha specialize in?
Maria Ha is an optometrist in San Francisco, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Maria Ha practice?
Maria Ha practices at 383 Sacramento St, San Francisco, CA 94111-3601. Maria Ha's primary practice is Dr. Hall & Szeto Optometry in San Francisco, California. Dmand AI also links Maria Ha to 1 medical group.
What is Maria Ha's office phone number?
The practice phone on file for Maria Ha is (415) 781-2020.
What is Maria Ha's medical license number?
Maria Ha holds California license 11641T.
Does Maria Ha accept Medicare?
Yes. CMS lists Maria Ha as accepting Medicare assignment.
How many Medicare patients does Maria Ha see?
CMS counts 14 Medicare patients who saw Maria Ha in 2024, with an average age of 75.
Where did Maria Ha go to medical school?
Maria Ha graduated from University of California - School of Optometry in 2001.
Has Maria Ha received payments from drug or device companies?
CMS Open Payments shows $26 in general payments to Maria Ha from 1 company from 2025 to 2025. The largest total came from Johnson & Johnson Vision Care, Inc.
How long has Maria Ha been practicing?
Maria Ha graduated from medical school in 2001, 25 years ago.
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