NPPES file of Aug 9, 2026

Timothy A. Tobin, MD

Internal Medicine Physician · Essex, CT

Timothy A. Tobin, MD is an internal medicine physician with a practice address in Essex, Connecticut, and NPI 1184669566, issued on Jun 18, 2006. Check the license (Connecticut 031035, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184669566
Name
Timothy A. Tobin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
031035 CT
Self-reported in NPPES; status is on the state search
Practice location
147 Westbrook RD, Essex, CT 06426
Phone
(860) 767-8265
Enumerated
Jun 18, 2006
Record last updated
Apr 11, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(860) 358-8653
Medicaid ID
1310359 CT
Medicare enrollment
Enrolled (PECOS I20091207000379); accepts Medicare assignment
Medical or professional school
Ohio State University College Of Medicine, 1981
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 147 Westbrook RD

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

  1. Ioanna Anastasiadis, PAPhysician Assistant1790858058
  2. Suzanne Arcuni, APRNFamily Nurse Practitioner1144415514
  3. Karen Goldfinger, PH.D.Clinical Psychologist1730218223
  4. Jessica Hansen, PAPhysician Assistant1679646921
  5. Siobhan Harder, APRNFamily Nurse Practitioner1588032866
  6. Meredith Lindner, DOInternal Medicine Physician1942616826

Verify Timothy A. Tobin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 031035
    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 Connecticut 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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2.8 times the Medicare Part D claims of the average internal medicine physician in 2024

8,826 Medicare Part D claims for 536 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. 457 claims were for opioids.

  1. Timothy Tobin8,826
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium580 claims
  2. Lisinopril433 claims
  3. Pantoprazole Sodium279 claims
  4. Amlodipine Besylate270 claims
  5. Levothyroxine Sodium262 claims
  6. Eliquis235 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): 97.3 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.

  1. Qualityout of 100 · 30% of the final score81.7
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mhs Primary Care, Inc.Essex, CT

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Timothy A. Tobin among 2,623 internal medicine physician records in Connecticut

Timothy A. Tobin, MD 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 2006, is newer than 11% of them.

  • NPI issued2006 · 11% of these records are older, 52% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1981 · median 2004 among the 1,646 with a school on file
  • Record last updated2017 · 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).

9 internal medicine physician records list a practice address in Essex

They are 9 of the 208 NPPES records with a practice address in Essex, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Elizabeth Coric, MDEssex, CT 064261730122003
  2. Peter Dixon, M.D.Essex, CT 064261578750808
  3. Kenneth Donovan, M.D.Essex, CT 064261669447207
  4. Earl Hornbake, MDEssex, CT 064261770584906
  5. Meredith Lindner, DOEssex, CT 064261942616826
  6. Ewa Ruggieri, M.D.Essex, CT 064261447203393
  7. Alan Spagnola, M.D.Essex, CT 064261023032208
  8. Christa Wittmann, DOEssex, CT 064261962726729

Common questions

What is Timothy A. Tobin, MD's NPI number?

Timothy A. Tobin, MD's National Provider Identifier (NPI) is 1184669566, issued on Jun 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy A. Tobin, MD located?

The NPPES record lists a practice address at 147 Westbrook RD, Essex, CT, 06426. Phone: (860) 767-8265. Providers update this record themselves, so call before visiting.

How can I verify Timothy A. Tobin, MD's license?

NPPES lists Connecticut license number 031035, 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 Timothy A. Tobin, MD prescribe under Medicare Part D?

In 2024, Timothy A. Tobin, MD had 8,826 Medicare Part D claims for 536 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Timothy A. Tobin, MD's MIPS final score?

The 2023 MIPS final score is 97.3 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.