Mariel Ma, MD
Pulmonary Disease Physician · Madison, WI
Mariel Ma, MD is a pulmonary disease physician with a practice address in Madison, Wisconsin, and NPI 1003519059, issued on Mar 27, 2023. Check the license (Wisconsin 87194-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mariel Ma
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 87194-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 600 Highland Ave, Madison, WI 53792
- Phone
- (608) 263-6400
- Enumerated
- Mar 27, 2023
- Record last updated
- Jun 6, 2026
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 300 in Wisconsin → Look up another NPI →
Also registered at 600 Highland Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mariel Ma in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 87194-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
171 Medicare Part D claims for 39 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Mariel Ma among 300 pulmonary disease physician records in Wisconsin
Mariel Ma, MD is one of 300 pulmonary disease physician records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than over 99% of them.
- NPI issued2023 · over 99% of these records are older, 0% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Wisconsin
There are 300 pulmonary disease physician records in Wisconsin.
All 300 in Wisconsin → Every provider in Madison → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Donita Croft, MDMadison, WI 537921508948688
- Loren Denlinger, MDMadison, WI 537921508827411
- Guillermo Dopico, MDMadison, WI 537921861460891
- Michael Eberlein, MDMadison, WI 537921568482362
- John Ferguson, MDMadison, WI 537921205823317
- Ellie Golestanian, MDMadison, WI 537921376500033
- Jeffrey Grossman, MDMadison, WI 537921619944782
- Nizar Jarjour, MDMadison, WI 537921700852654
Common questions
What is Mariel Ma, MD's NPI number?
Mariel Ma, MD's National Provider Identifier (NPI) is 1003519059, issued on Mar 27, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mariel Ma, MD located?
The NPPES record lists a practice address at 600 Highland Ave, Madison, WI, 53792. Phone: (608) 263-6400. Providers update this record themselves, so call before visiting.
How can I verify Mariel Ma, MD's license?
NPPES lists Wisconsin license number 87194-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mariel Ma, MD prescribe under Medicare Part D?
In 2024, Mariel Ma, MD had 171 Medicare Part D claims for 39 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.