NPPES file of Aug 9, 2026

Stephanie T. Osiecki, MD

Internal Medicine Physician · Boston, MA

Stephanie T. Osiecki, MD is an internal medicine physician with a practice address in Boston, Massachusetts, and NPI 1922080464, issued on Nov 18, 2005. Check the license (Massachusetts 203867, 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
1922080464
Name
Stephanie T. Osiecki
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
203867 MA
Self-reported in NPPES; status is on the state search
Practice location
100 Cambridge St FL 14, Boston, MA 02114
Phone
(888) 731-8994
Enumerated
Nov 18, 2005
Record last updated
Jun 17, 2024
Fax
(888) 732-8119
Medicaid ID
3207749 MA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 100 Cambridge St FL 14

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

  1. Rachel Almenas-Toledo, MS, LMHCMental Health Counselor1184477838
  2. Persefoni Andronikos-Cox, PSYDPsychologist1093462855
  3. Kamyla BenitezProfessional Counselor1508612367
  4. Jennifer Benson, LCSWSocial Worker1447007232
  5. Josephine Borrero RiveraCounselor1578217543
  6. Lawana Bradley-Brown, APRNWomen's Health Nurse Practitioner1225382229

Verify Stephanie T. Osiecki 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 203867
    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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Industry payments in 2024: $25.07

1 payment: food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Osiecki$25.07
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2,320 internal medicine physician records list a practice address in Boston

They are 2,320 of the 41,865 NPPES records with a practice address in Boston, and 6,825 internal medicine physician records in Massachusetts.

Other internal medicine physician records in Massachusetts

  1. Nawal Aamir, MDWorcester, MA1588248926
  2. Nathan Abare, MDSpringfield, MA1386852747
  3. Nooshin Abbasi, MD MPHNewton, MA1831888353
  4. Taimur AbbasiBoston, MA1841673522
  5. Lauren Abbate, MDBoston, MA1922099621
  6. Bassima Abdallah, MDBoston, MA1912327305
  7. Maya Abdallah, MDBoston, MA1861854937
  8. Samah Abdallah, MDBrighton, MA1730814971
  9. Omar Abdel-Wahab, M.D.Boston, MA1023042777
  10. Mohab AbdelhalimBoston, MA1871388496

Common questions

What is Stephanie T. Osiecki, MD's NPI number?

Stephanie T. Osiecki, MD's National Provider Identifier (NPI) is 1922080464, issued on Nov 18, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie T. Osiecki, MD located?

The NPPES record lists a practice address at 100 Cambridge St FL 14, Boston, MA, 02114. Phone: (888) 731-8994. Providers update this record themselves, so call before visiting.

How can I verify Stephanie T. Osiecki, MD's license?

NPPES lists Massachusetts license number 203867, 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.

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.