Dr. Mark Lewis Choa, MD
- Part D claims, 2024
- 148
- MIPS score, 2024
- 89
- Hospital affiliations
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 300 Pasteur Drive, Stanford, CA 94305
- Practice phone
- Call (650) 723-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Choa'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. Mark Lewis Choa is a psychiatrist in Stanford, California
Dr. Choa practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University.
Dr. Choa's NPI, 1992966618, was assigned on June 25, 2008. Dr. Choa graduated from University of Virginia School of Medicine in 2008. Dr. Choa holds California license A110178.
- NPI
- 1992966618NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971757071
- NPI enumeration date
- June 25, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (650) 723-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Lewis Choa practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California
Dr. Choa's primary practice is Stanford Hospital at 300 Pasteur Drive, at 300 Pasteur Drive, Stanford, CA 94305 in Santa Clara County. The practice phone is (650) 723-4000.
- Stanford Hospital at 300 Pasteur Drive300 Pasteur Drive, Stanford, CA 94305 · Santa Clara CountyPhone(650) 723-4000
Source: Dmand AI Affiliation Data
Dr. Mark Lewis Choa is affiliated with 4 sites of care and 2 medical groups
Dr. Choa's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. The medical group on file is Stanford Health Care. Dmand AI also links Dr. Choa to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Choa's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Lewis Choa's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choa practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Hospital at 300 Pasteur Drive | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Lewis Choa is one of 6,803 psychiatrists in California
Psychiatry is Dr. Choa's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Choa is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. Choa
Counts of psychiatrists 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. Mark Lewis Choa's patients have a median age of 27
Across all payers, Dmand AI patient panel data puts Dr. Choa's median patient age at 27, with 44% women.
Dr. Choa's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women44%
- Men53%
Source: Dmand AI Patient Panel Data
Dr. Mark Lewis Choa wrote 148 Medicare Part D claims in 2024
In 2024, Dr. Choa wrote 148 Medicare Part D claims. 99% of them were for generic drugs. CMS names the drug for 114 of them, across 7 drugs with 11 or more claims each, at $16,262 in total drug cost.
Dr. Choa's Part D claims by kind of drug, 2024
- Generic147 claims99%
- Brand-name and other1 claims1%
Dr. Choa's 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.
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. Mark Lewis Choa scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Choa for performance year 2024, reported as part of a group. Dr. Choa accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Choa as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Choa's MIPS scores, performance year 2024
- 89of 100Final score
- 87.1of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark Lewis Choa graduated from University of Virginia School of Medicine
Dr. Choa graduated from University of Virginia School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Lewis Choa'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 Data |
| 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) |
| 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. Mark Lewis Choa
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. Mark Lewis Choa's NPI number?
Dr. Mark Lewis Choa's NPI number is 1992966618. It was assigned on June 25, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Lewis Choa?
Dr. Mark Lewis Choa is a psychiatrist in Stanford, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Mark Lewis Choa practice?
Dr. Choa practices at 300 Pasteur Drive, Stanford, CA 94305. Dr. Choa's primary practice is Stanford Hospital at 300 Pasteur Drive in Stanford, California, part of Stanford University. Dmand AI also links Dr. Choa to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Mark Lewis Choa's office phone number?
The practice phone on file for Dr. Choa is (650) 723-4000.
What is Dr. Mark Lewis Choa's medical license number?
Dr. Choa holds California license A110178.
Which hospitals is Dr. Mark Lewis Choa affiliated with?
Dr. Choa practices at Stanford Hospital at 300 Pasteur Drive in Stanford, California. Dmand AI links Dr. Choa to 1 more hospital.
What medical group is Dr. Mark Lewis Choa part of?
Dr. Choa is linked to Stanford Health Care. Dmand AI links Dr. Choa to 1 more medical group.
Does Dr. Mark Lewis Choa accept Medicare?
Yes. CMS lists Dr. Choa as accepting Medicare assignment.
Does Dr. Mark Lewis Choa offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Choa as offering telehealth services.
What is Dr. Mark Lewis Choa's MIPS score?
Dr. Choa's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
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Where did Dr. Mark Lewis Choa go to medical school?
Dr. Choa graduated from University of Virginia School of Medicine in 2008.
What drugs does Dr. Mark Lewis Choa prescribe most?
In 2024 Medicare Part D data, Dr. Choa's most prescribed drugs by claims were Clozapine ODT, Lurasidone HCl and Paroxetine HCl.
How long has Dr. Mark Lewis Choa been practicing?
Dr. Choa graduated from medical school in 2008, 18 years ago.
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