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Joyce H. Ma, MD-PHD
NPI1811302789
- Part D claims, 2022
- 16
- Publications
- 8
- Industry payments
- $18
- Medical group
- 1
- State license
- 1
- Practice address
- 423 W Fallbrook Ave, Fresno, CA 93711
- Practice phone
- Call (650) 810-6208
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Joyce Ma'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.
Joyce H. Ma is a general practice physician in Fresno, California
Joyce Ma practices with Shasta Community Health Center, a medical group.
Joyce Ma's NPI, 1811302789, was assigned on June 30, 2014. Joyce Ma graduated from University of California, Davis, School of Medicine in 2017. Joyce Ma's California license number on file is A167379.
NPI and contact details
- NPI
- 1811302789NPI Registry (opens in a new tab)
- NPI enumeration date
- June 30, 2014
- NPI status
- Active
- Practice phone
- (650) 810-6208
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Joyce H. Ma's practice address is in Fresno, California
Joyce Ma's practice address in the NPI Registry is 423 W Fallbrook Ave, Fresno, CA 93711, in Fresno County. The practice phone is (650) 810-6208.
- NPI Registry address423 W Fallbrook Ave, Fresno, CA 93711 · Fresno CountyPhone(650) 810-6208
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Joyce H. Ma is affiliated with 1 medical group
Joyce Ma is part of Shasta Community Health Center, a medical group in Redding, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Joyce H. Ma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joyce Ma practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Shasta Community Health Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Joyce H. Ma is one of 1,526 general practice physicians in California
General practice is Joyce Ma's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Joyce Ma is board certified in family medicine by the American Board of Family Medicine. Joyce Ma has a license on file in California.
Specialties and state licenses
- General practice, CaliforniaPrimary
General practice physicians near Joyce Ma
Counts of general practice physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,526general practice physicians in California14general practice physicians in Fresno3general practice physicians at Shasta Community Health Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Joyce H. Ma wrote 16 Medicare Part D claims in 2022
In 2022, Joyce Ma wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $386 in total drug cost. In 2021, CMS named 265 claims across 13 drugs.
Part D claims, 202216
Drugs named by CMS1
Total drug cost$386
Joyce Ma's most prescribed drugs by claims, 2022
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 2652022: 1694%
Drugs named by CMS: 1 in 2022, 13 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Joyce H. Ma has 8 publications on record
Dmand AI links 8 papers to Joyce Ma, published from 2014 to 2024. The most frequent topics are Mice, Inbred C57BL, Astrocytes and Encephalomyelitis, Autoimmune, Experimental. Joyce Ma has published most often in J Neurosci. Joyce Ma's most frequent co-author is Flora M. Vaccarino, MD.
Papers8
Years published2014 to 2024
Topics Joyce Ma writes about most
- Mice, Inbred C57BL
- Astrocytes
- Encephalomyelitis, Autoimmune, Experimental
- Mice, Transgenic
- Museums
- Axons
- Central Nervous System
- Glial Fibrillary Acidic Protein
Joyce Ma's most frequent co-authors
Recent publications by Joyce Ma
J Neuroinflammation
AstrocytesAxonsCalcium-Binding Proteins
Adult Stem CellsAntigensAntineoplastic Agents, Hormonal
CaliforniaInformation DisseminationMuseums
See who Joyce Ma researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Joyce Ma works with, so you can find a warm path to the right general practice physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Joyce H. Ma received $18 in industry payments in 2023
CMS Open Payments shows 1 general payment to Joyce Ma from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $18.
Companies that paid Joyce Ma the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Joyce H. Ma graduated from University of California, Davis, School of Medicine
Joyce Ma graduated from University of California, Davis, School of Medicine in 2017.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Joyce 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 | Dmand AI Affiliation Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Joyce 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 Joyce H. Ma's NPI number?
Joyce H. Ma's NPI number is 1811302789. It was assigned on June 30, 2014, and it is active in the NPI Registry.
What does Joyce H. Ma specialize in?
Joyce H. Ma is a general practice physician in Fresno, California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Joyce H. Ma practice?
Joyce Ma practices at 423 W Fallbrook Ave, Fresno, CA 93711. Joyce Ma's primary practice is Shasta Community Health Center, a medical group.
What is Joyce H. Ma's office phone number?
The practice phone on file for Joyce Ma is (650) 810-6208.
What is Joyce H. Ma's medical license number?
Joyce Ma's California license number on file is A167379.
What medical group is Joyce H. Ma part of?
Joyce Ma is part of Shasta Community Health Center in Redding, California.
Is Joyce H. Ma board certified?
Yes. Joyce Ma is board certified in family medicine by the American Board of Family Medicine.
Where did Joyce H. Ma go to medical school?
Joyce Ma graduated from University of California, Davis, School of Medicine in 2017.
What drugs does Joyce H. Ma prescribe most?
In 2022 Medicare Part D data, Joyce Ma's most prescribed drugs by claims were Levothyroxine Sodium.
Has Joyce H. Ma received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Joyce Ma from 1 company from 2023 to 2023. The largest total came from Stryker Corporation.
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How long has Joyce H. Ma been practicing?
Joyce Ma graduated from medical school in 2017, 9 years ago.
Does Joyce H. Ma do research?
Dmand AI links 8 publications to Joyce Ma, published from 2014 to 2024.
Who does Joyce H. Ma publish with?
Joyce Ma's most frequent co-authors are Flora M. Vaccarino, MD (1 shared paper).
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