Rosemary Catherine Bontempi, M.D.
Internal Medicine Physician · Mystic, CT
Rosemary Catherine Bontempi, M.D. is an internal medicine physician with a practice address in Mystic, Connecticut, and NPI 1346235462, issued on Sep 14, 2005. Check the license (Connecticut 030639, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Rosemary Catherine Bontempi
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 030639 CT
Self-reported in NPPES; status is on the state search - Practice location
- 200 Sandy Hollow RD, Mystic, CT 06355
- Phone
- (860) 572-8911
- Enumerated
- Sep 14, 2005
- Record last updated
- Dec 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (860) 572-7758
- Entity
- Type 1 · individual
Also registered at 200 Sandy Hollow RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Prior Parker, MDOphthalmology Physician1326076795
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- James Sullivan, M.D.Internal Medicine Physician1780679472
Verify Rosemary Catherine Bontempi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,029 Medicare Part D claims for 233 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 82 claims were for opioids.
Most prescribed
- Atorvastatin Calcium214 claims
- Lisinopril143 claims
- Amlodipine Besylate141 claims
- Levothyroxine Sodium123 claims
- Gabapentin92 claims
- Ezetimibe86 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 MIPS final score for 2023 (Medicare payment program): 93.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $16.59
1 payment: food and beverage; the largest payer was GlaxoSmithKline, LLC. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
10 internal medicine physician records list a practice address in Mystic
They are 10 of the 242 NPPES records with a practice address in Mystic, and 2,623 internal medicine physician records in Connecticut.
All 10 in Mystic → All 2,623 in Connecticut → Every provider in Mystic →
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is Rosemary Catherine Bontempi, M.D.'s NPI number?
Rosemary Catherine Bontempi, M.D.'s National Provider Identifier (NPI) is 1346235462, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rosemary Catherine Bontempi, M.D. located?
The NPPES record lists a practice address at 200 Sandy Hollow RD, Mystic, CT, 06355. Phone: (860) 572-8911. Providers update this record themselves, so call before visiting.
How can I verify Rosemary Catherine Bontempi, M.D.'s license?
NPPES lists Connecticut license number 030639, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rosemary Catherine Bontempi, M.D. prescribe under Medicare Part D?
In 2024, Rosemary Catherine Bontempi, M.D. had 3,029 Medicare Part D claims for 233 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Rosemary Catherine Bontempi, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.6 of 100. 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.