Mary E. Choi, M.D.
Nephrology Physician · Boston, MA
Mary E. Choi, M.D. is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1417920943, issued on Feb 7, 2006. Check the license (Massachusetts 234481, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Mary E. Choi
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 234481 MA
Self-reported in NPPES; status is on the state search - Practice location
- 75 Francis St, Boston, MA 02115
- Phone
- (617) 525-5977
- Enumerated
- Feb 7, 2006
- Record last updated
- Apr 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20140410001394); accepts Medicare assignment
- Medical or professional school
- University Of Kansas School Of Med (Kc/Wich/Sal), 1984
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 417 in Massachusetts → Look up another NPI →
Also registered at 75 Francis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Aaronson, M.D.Emergency Medicine Physician1962791558
- Sarah Abbett, M.D.Anesthesiology Physician1902097736
- Christine Abbott, NPAdult Health Nurse Practitioner1851471940
- Muhammad Abd-El-Barr, M.D., PH.D.Neurological Surgery Physician1891922688
- Duaa AbdelhameidStudent in an Organized Health Care Education/Training Program1851852867
Verify Mary E. Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 234481Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary E. Choi among 417 nephrology physician records in Massachusetts
Mary E. Choi, M.D. is one of 417 nephrology physician records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 52% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1984 · median 2001 among the 295 with a school on file
- Record last updated2012 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Massachusetts
There are 417 nephrology physician records in Massachusetts.
All 417 in Massachusetts → Every provider in Boston → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Joseph Bonventre, MD PHDBoston, MA 021151497709240
- Joseph Cheung, MDBoston, MA 021151710936083
- Kenneth Christopher, MDBoston, MA 021151043295314
- Gary Curhan, MD SCDBoston, MA 021151457341679
- Dirk Hentschel, MDBoston, MA 021151093771495
- Li-Li Hsiao, MD PHDBoston, MA 021151790741916
- Julie Lin, MD MPHBoston, MA 021151558328872
- Colm Magee, MDBoston, MA 021151033175278
Common questions
What is Mary E. Choi, M.D.'s NPI number?
Mary E. Choi, M.D.'s National Provider Identifier (NPI) is 1417920943, issued on Feb 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary E. Choi, M.D. located?
The NPPES record lists a practice address at 75 Francis St, Boston, MA, 02115. Phone: (617) 525-5977. Providers update this record themselves, so call before visiting.
How can I verify Mary E. Choi, M.D.'s license?
NPPES lists Massachusetts license number 234481, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Mary E. Choi, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.