Thomas Frank Castiglione, M.D.
Internal Medicine Physician · Kingston, MA
Thomas Frank Castiglione, M.D. is an internal medicine physician with a practice address in Kingston, Massachusetts, and NPI 1770553539, issued on Jan 25, 2006. Check the license (Massachusetts 227436, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Thomas Frank Castiglione
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 227436 MA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Tarkiln RD, Kingston, MA 02364
- Phone
- (781) 585-2200
- Enumerated
- Jan 25, 2006
- Record last updated
- Mar 17, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicaid ID
- 2128250 MA
- Medicare enrollment
- Enrolled (PECOS I20061025000207); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 2003
- Entity
- Type 1 · individual
Also registered at 5 Tarkiln RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Anastasi, ANPNurse Practitioner1891786786
- Michelle Cahill, PACPhysician Assistant1457341315
- Jonathan Metzger, MDInternal Medicine Physician1376524314
Verify Thomas Frank Castiglione in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average internal medicine physician in 2024
3,768 Medicare Part D claims for 434 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 33 claims were for opioids.
Most prescribed
- Atorvastatin Calcium370 claims
- Losartan Potassium186 claims
- Lisinopril173 claims
- Levothyroxine Sodium161 claims
- Omeprazole161 claims
- Hydrochlorothiazide135 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- South Shore Medical Center, Inc.Norwell, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
5 internal medicine physician records list a practice address in Kingston
They are 5 of the 205 NPPES records with a practice address in Kingston, and 6,825 internal medicine physician records in Massachusetts.
All 5 in Kingston → All 6,825 in Massachusetts → Every provider in Kingston →
Other internal medicine physician records in Massachusetts
- Nawal Aamir, MDWorcester, MA1588248926
- Nathan Abare, MDSpringfield, MA1386852747
- Nooshin Abbasi, MD MPHNewton, MA1831888353
- Taimur AbbasiBoston, MA1841673522
- Lauren Abbate, MDBoston, MA1922099621
- Bassima Abdallah, MDBoston, MA1912327305
- Maya Abdallah, MDBoston, MA1861854937
- Samah Abdallah, MDBrighton, MA1730814971
- Omar Abdel-Wahab, M.D.Boston, MA1023042777
- Mohab AbdelhalimBoston, MA1871388496
Common questions
What is Thomas Frank Castiglione, M.D.'s NPI number?
Thomas Frank Castiglione, M.D.'s National Provider Identifier (NPI) is 1770553539, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Frank Castiglione, M.D. located?
The NPPES record lists a practice address at 5 Tarkiln RD, Kingston, MA, 02364. Phone: (781) 585-2200. Providers update this record themselves, so call before visiting.
How can I verify Thomas Frank Castiglione, M.D.'s license?
NPPES lists Massachusetts license number 227436, 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 Thomas Frank Castiglione, M.D. prescribe under Medicare Part D?
In 2024, Thomas Frank Castiglione, M.D. had 3,768 Medicare Part D claims for 434 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Thomas Frank Castiglione, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.8 of 100, reported for the practice group. 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.