NPPES file of Aug 9, 2026

Petra Simic, MD, PHD

Nephrology Physician · Boston, MA

Petra Simic, MD, PHD is a nephrology physician with a practice address in Boston, Massachusetts, and NPI 1780943878, issued on May 9, 2012. Check the license (Massachusetts 266809, 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
1780943878
Name
Petra Simic
Credential
MD, PHD
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
266809 MA
L-251549 MA
Self-reported in NPPES; status is on the state search
Practice location
Massachusetts General Hospital, Boston, MA 02114
Phone
(617) 726-2865
Enumerated
May 9, 2012
Record last updated
Nov 20, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180105000492); 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 Massachusetts General Hospital

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

  1. Gregory Acampora, M.D.Addiction Psychiatry Physician1255431177
  2. Allison Ackerman, MDInternal Medicine Physician1285894790
  3. Marylyn Addo, MDInfectious Disease Physician1700907151
  4. Srikanth Adusumalli, MBBS, FRACPStudent in an Organized Health Care Education/Training Program1295467983
  5. Jonathan Afilalo, MDCMInternal Medicine Physician1619289584
  6. Kiran Agarwal-Harding, MDOrthopaedic Surgery Physician1003229097

Verify Petra Simic 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 266809
    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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83% fewer Medicare Part D claims than the average nephrology physician in 2024

249 Medicare Part D claims for 52 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Petra Simic249
  2. Specialty average1,465

Most prescribed

  1. Lisinopril31 claims
  2. Amlodipine Besylate29 claims
  3. Calcitriol19 claims
  4. Jardiance17 claims
  5. Doxazosin Mesylate15 claims
  6. Farxiga15 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. Massachusetts General Physicians Organization IncBoston, MA

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

Nephrology Physician providers in Massachusetts

There are 417 nephrology physician records in Massachusetts.

Other nephrology physician records in Massachusetts

  1. Amtul Aala, MDBoston, MA1174946347
  2. Reza Abdi, MDBoston, MA1356359368
  3. Marat Abdullin, M.D.Springfield, MA1619159712
  4. Vivian AbernethyBoston, MA1710960232
  5. Rekha Abichandani, M.D.Cambridge, MA1912033598
  6. Konstantin Abramov, M.D.Worcester, MA1992854707
  7. Krishna Agarwal, M.B.B.S.Springfield, MA1477916120
  8. Nikhil AgrawalBoston, MA1467722579
  9. Ayman Al Jurdi, M.D.Boston, MA1043690332
  10. Laith Al Rabadi, M.D.Boston, MA1821309188

Common questions

What is Petra Simic, MD, PHD's NPI number?

Petra Simic, MD, PHD's National Provider Identifier (NPI) is 1780943878, issued on May 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Petra Simic, MD, PHD located?

The NPPES record lists a practice address at Massachusetts General Hospital, Boston, MA, 02114. Phone: (617) 726-2865. Providers update this record themselves, so call before visiting.

How can I verify Petra Simic, MD, PHD's license?

NPPES lists Massachusetts license number 266809, 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 Petra Simic, MD, PHD prescribe under Medicare Part D?

In 2024, Petra Simic, MD, PHD had 249 Medicare Part D claims for 52 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.