NPPES file of Aug 9, 2026

Ana Onuchic-Whitford, M.D.

Nephrology Physician · Boston, MA

Ana Onuchic-Whitford, M.D. is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1205245743, issued on Aug 8, 2014. Check the license (Massachusetts 291938, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205245743
Name
Ana Onuchic-Whitford
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
291938 MA
Self-reported in NPPES; status is on the state search
Practice location
55 Fruit St, Boston, MA 02114
Phone
(617) 724-4100
Enumerated
Aug 8, 2014
Record last updated
Apr 3, 2026
Medicare enrollment
Enrolled (PECOS I20220711001664); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 55 Fruit St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Affan Aamir, MD, PHARMD, RPHStudent in an Organized Health Care Education/Training Program1821890377
  2. Matthew AbadirAnesthesiology Physician1699120550
  3. Taimur AbbasiInternal Medicine Physician1841673522
  4. Megan Abbott, MDAnesthesiology Physician1730839333
  5. Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
  6. Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590

Verify Ana Onuchic-Whitford in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 291938
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Massachusetts license search

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95% fewer Medicare Part D claims than the average nephrology physician in 2024

75 Medicare Part D claims for 12 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. Ana Onuchic-Whitford75
  2. Specialty average1,465

Most prescribed

  1. Furosemide16 claims
  2. Potassium Citrate Er12 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.

Bills Medicare through one group practice

  1. Brigham And Womens Physicians Organization IncBoston, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ana Onuchic-Whitford among 417 nephrology physician records in Massachusetts

Ana Onuchic-Whitford, 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 2014, is newer than 79% of them.

  • NPI issued2014 · 79% of these records are older, 18% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2011 · median 2001 among the 295 with a school on file
  • Record last updated2026 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Dennis Ausiello, MDBoston, MA 021141316938962
  2. Hasan Bazari, MDBoston, MA 021141811978091
  3. Ishir Bhan, MDBoston, MA 021141275519993
  4. Louis Ercolani, M.D.Boston, MA 021141164407516
  5. Leslie Fang, MDBoston, MA 021141558351734
  6. Garner Haupert, MDBoston, MA 021141073503348
  7. Herbert Lin, MD PHDBoston, MA 021141245211960
  8. Sagar Nigwekar, MDBoston, MA 021141710939848

Common questions

What is Ana Onuchic-Whitford, M.D.'s NPI number?

Ana Onuchic-Whitford, M.D.'s National Provider Identifier (NPI) is 1205245743, issued on Aug 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Ana Onuchic-Whitford, M.D. located?

The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-4100. Providers update this record themselves, so call before visiting.

How can I verify Ana Onuchic-Whitford, M.D.'s license?

NPPES lists Massachusetts license number 291938, 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.

How much does Ana Onuchic-Whitford, M.D. prescribe under Medicare Part D?

In 2024, Ana Onuchic-Whitford, M.D. had 75 Medicare Part D claims for 12 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.