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
8 nearest internal medicine physician records → All 2,623 in Connecticut → Look up another NPI →
Also registered at 200 Sandy Hollow RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Thomas Blum, M.D.Internal Medicine Physician1194710210
- Howard Brensilver, M.D.Internal Medicine Physician1336134451
- Warren Fields, M.D.Internal Medicine Physician1821083999
- Prior Parker, MDOphthalmology Physician1326076795
- James Scarles, M.D.Internal Medicine Physician1194710269
- 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.
Rosemary Catherine Bontempi among 2,623 internal medicine physician records in Connecticut
Rosemary Catherine Bontempi, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 89% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2009 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
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 2,623 in Connecticut → Every provider in Mystic → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Thomas Blum, M.D.Mystic, CT 063551194710210
- Howard Brensilver, M.D.Mystic, CT 063551336134451
- Warren Fields, M.D.Mystic, CT 063551821083999
- Brandi Iovino, D.O.Mystic, CT 063551639303324
- John Nelson, M.D.Mystic, CT 063551376540005
- David Salm, MDMystic, CT 063551184727273
- James Scarles, M.D.Mystic, CT 063551194710269
- James Sullivan, M.D.Mystic, CT 063551780679472
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.