Stanley H. Ma, PA
- Medicare services, 2024
- 183
- Medicare patients, 2024
- 165
- Part D claims, 2024
- 222
- Affiliated sites
- 1
- Medical groups
- 5
- Practice address
- 631 S Milpitas Blvd, Milpitas, CA 95035
- Practice phone
- Call (408) 719-1004
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Silicon Valley Adult Day Health Care Center
Milpitas, California
Find Stanley Ma's professional email, personal email and mobile number
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Stanley H. Ma is a physician assistant in Milpitas, California
Stanley Ma practices at Silicon Valley Adult Day Health Care Center in Milpitas, California.
Stanley Ma's NPI, 1871881755, was assigned on July 13, 2011. Stanley Ma holds California license PA21685.
- NPI
- 1871881755NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951571975
- NPI enumeration date
- July 13, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (408) 719-1004
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Stanley H. Ma practices at Silicon Valley Adult Day Health Care Center in Milpitas, California
Stanley Ma's primary practice is Silicon Valley Adult Day Health Care Center, at 631 S Milpitas Blvd, Milpitas, CA 95035 in Santa Clara County. The practice phone is (408) 719-1004.
- Silicon Valley Adult Day Health Care Center631 S Milpitas Blvd, Milpitas, CA 95035 · Santa Clara CountyPhone(408) 719-1004
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Stanley H. Ma is affiliated with 2 sites of care and 5 medical groups
Stanley Ma's primary practice is Silicon Valley Adult Day Health Care Center in Milpitas, California. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Stanley Ma to 4 more medical groups and 1 group practice or clinic, 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 Stanley H. Ma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stanley Ma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Silicon Valley Adult Day Health Care Center | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Stanley H. Ma is one of 11,482 physician assistants in California
Physician assistant is Stanley Ma's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stanley Ma is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Stanley Ma is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists acute sinusitis, acute skin infection, chest wall injury, conjunctivitis, insomnia, itchy rashes, lower back pain and minor injury to a limb among the conditions Stanley Ma treats.
Physician assistants near Stanley Ma
Counts of physician assistants 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
Stanley H. Ma billed Medicare for 183 services in 2024
CMS data shows 183 Medicare services from Stanley Ma across 4 procedure codes in 2024, all of them office visits, for 165 Medicare patients. Medicare paid $13,897 for them. Every service was in an office.
Stanley Ma compared with the California median for physician assistants, 2024
- Stanley Ma
- California median
- Medicare services
- 183vs 20410% below
- Medicare patients
- 165vs 10557% above
- Part D claims
- 58vs 24376% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Stanley Ma'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Stanley H. Ma treated 165 Medicare patients in 2024, average age 77
CMS counts 165 Medicare patients who saw Stanley Ma in 2024. The largest group is 65 to 74, with 70 patients. 63% of them have high blood pressure, and 62% have high cholesterol. 12% are also on Medicaid. Their average risk score is 0.85, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Stanley Ma's median patient age at 49, with 45% women.
Stanley Ma's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Stanley Ma's Medicare patients by sex, 2024
- Women9558%
- Men7042%
Chronic conditions among Stanley Ma's Medicare patients, 2024
- High blood pressure63%
- High cholesterol62%
- Arthritis37%
- Osteoporosis22%
- Chronic kidney disease21%
- Diabetes21%
- Mood disorders20%
- Cancer19%
Share of Medicare patients with each condition. A patient can have several.
Stanley Ma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Stanley H. Ma wrote 222 Medicare Part D claims in 2024
In 2024, Stanley Ma wrote 222 Medicare Part D claims for 105 patients. 80% of them were for generic drugs. CMS names the drug for 58 of them, across 4 drugs with 11 or more claims each, at $1,939 in total drug cost.
Stanley Ma's Part D claims by kind of drug, 2024
- Generic178 claims80%
- Brand-name44 claims20%
Stanley Ma'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.
Drug classes CMS tracks in Stanley Ma's Part D claims, 2024
- Opioids7%16 of 222 claims
- Antibiotics10%23 of 222 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Stanley H. Ma offers telehealth to Medicare patients
Stanley Ma accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Stanley Ma as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Stanley H. Ma is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Stanley H. Ma'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) |
| 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) |
| 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 Stanley H. Ma
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stanley H. Ma's NPI number?
Stanley H. Ma's NPI number is 1871881755. It was assigned on July 13, 2011, and it is active in the NPI Registry.
What does Stanley H. Ma specialize in?
Stanley H. Ma is a physician assistant in Milpitas, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Stanley H. Ma practice?
Stanley Ma practices at 631 S Milpitas Blvd, Milpitas, CA 95035. Stanley Ma's primary practice is Silicon Valley Adult Day Health Care Center in Milpitas, California. Dmand AI also links Stanley Ma to 4 medical groups and 1 group practice or clinic.
What is Stanley H. Ma's office phone number?
The practice phone on file for Stanley Ma is (408) 719-1004.
What is Stanley H. Ma's medical license number?
Stanley Ma holds California license PA21685.
What medical group is Stanley H. Ma part of?
Stanley Ma is linked to Palo Alto Foundation Medical Group. Dmand AI links Stanley Ma to 4 more medical groups.
Does Stanley H. Ma accept Medicare?
Yes. CMS data shows Stanley Ma billed Medicare for 183 services in 2024, and Stanley Ma accepts Medicare assignment.
Does Stanley H. Ma offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Stanley Ma as offering telehealth services.
How many Medicare patients does Stanley H. Ma see?
CMS counts 165 Medicare patients who saw Stanley Ma in 2024, with an average age of 77.
Is Stanley H. Ma board certified?
Yes. Stanley Ma is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Show 3 more questionsShow fewer questions
What services does Stanley H. Ma bill to Medicare?
In 2024, Stanley Ma's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, new patient (99203).
What drugs does Stanley H. Ma prescribe most?
In 2024 Medicare Part D data, Stanley Ma's most prescribed drugs by claims were Pantoprazole Sodium, Citalopram HBr and Paxlovid.
How long has Stanley H. Ma been practicing?
Stanley Ma graduated from medical school in 2011, 15 years ago.
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