NPPES file of Aug 9, 2026

Olympia Karacosta, D.M.D.

General Practice Dentistry · Boston, MA

Olympia Karacosta, D.M.D. is a general practice dentistry with a practice address in Boston, Massachusetts, and NPI 1184876013, issued on Oct 22, 2008. Check the license (Massachusetts 21930, as entered in NPPES) with the Massachusetts board that licenses this profession; 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
1184876013
Name
Olympia Karacosta
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
21930 MA
Self-reported in NPPES; status is on the state search
Practice location
50 Staniford St, Boston, MA 02114
Phone
(617) 523-4555
Enumerated
Oct 22, 2008
Record last updated
Oct 22, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(617) 227-2767
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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8 nearest general practice dentistry records → All 3,489 in Massachusetts → Look up another NPI →

Also registered at 50 Staniford St

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

  1. Mary Ahn, M.D.Child & Adolescent Psychiatry Physician1952429532
  2. Robert Amrhein, M.D.Specialist1972676781
  3. Richard Anderson, MDDermatology Physician1700869831
  4. Anjum Ansari, D.M.D.General Practice Dentistry1578783346
  5. Alison Avram, M.D.Dermatology Physician1083721781
  6. Mathew Avram, MDDermatology Physician1295717296

Verify Olympia Karacosta in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
    Search for license 21930    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
Find the Massachusetts license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $1,183.45

3 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Olympia Karacosta$1,183.45
  2. Specialty average$597.01

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

Olympia Karacosta among 3,489 general practice dentistry records in Massachusetts

Olympia Karacosta, D.M.D. is one of 3,489 general practice dentistry records with a practice address in Massachusetts. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 59% of them.

  • NPI issued2008 · 59% of these records are older, 37% newer
  • In a Medicare fileYes · 58% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Dentistry providers in Massachusetts

There are 3,489 general practice dentistry records in Massachusetts.

All 3,489 in Massachusetts → Every provider in Boston → General Practice Dentistry nationwide →

The 8 general practice dentistry records with the nearest ZIP codes

  1. Anjum Ansari, D.M.D.Boston, MA 021141578783346
  2. Jacques Boudreau, D.M.D.Boston, MA 021141013383439
  3. Paul Freedman, D.M.D.Boston, MA 021141700950623
  4. Gary Goldstein, D.M.D.,M.P.H.Boston, MA 021141568661544
  5. Warren Green, D.M.D.Boston, MA 021141851331953
  6. Jessika Jahnsen, DMDBoston, MA 021141588991020
  7. Alfred Kraft, DMDBoston, MA 021141043323645
  8. Ban Nacy, D.D.S.Boston, MA 021141447501267

Common questions

What is Olympia Karacosta, D.M.D.'s NPI number?

Olympia Karacosta, D.M.D.'s National Provider Identifier (NPI) is 1184876013, issued on Oct 22, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Olympia Karacosta, D.M.D. located?

The NPPES record lists a practice address at 50 Staniford St, Boston, MA, 02114. Phone: (617) 523-4555. Providers update this record themselves, so call before visiting.

How can I verify Olympia Karacosta, D.M.D.'s license?

NPPES lists Massachusetts license number 21930, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.