NPPES file of Aug 9, 2026

Susan H. Tannenbaum, MD

Hematology & Oncology Physician · Farmington, CT

Susan H. Tannenbaum, MD is a hematology & oncology physician with a practice address in Farmington, Connecticut, and NPI 1447257704, issued on Jul 1, 2005. Check the license (Connecticut 041311, 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
1447257704
Name
Susan H. Tannenbaum
Credential
MD
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
041311 CT
Self-reported in NPPES; status is on the state search
Practice location
263 Farmington Ave, Farmington, CT 06030
Phone
(860) 679-2100
Enumerated
Jul 1, 2005
Record last updated
Sep 26, 2022
Fax
(860) 679-4815
Medicaid ID
1413111 CT
Medicare enrollment
Enrolled (PECOS I20100203000423); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1978
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 263 Farmington Ave

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

  1. Nour Abdallah, MDStudent in an Organized Health Care Education/Training Program1225882509
  2. Omar Abdelatey, DDSStudent in an Organized Health Care Education/Training Program1700672789
  3. Samira AbdelrehimStudent in an Organized Health Care Education/Training Program1225823743
  4. Reham AbdelsalamStudent in an Organized Health Care Education/Training Program1578143707
  5. Ezzat Abdoun, DDSStudent in an Organized Health Care Education/Training Program1962630905
  6. Arif Salman Abdul Shakore, B.D.S., M.D.S.Student in an Organized Health Care Education/Training Program1750797387

Verify Susan H. Tannenbaum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 041311
    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

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81% fewer Medicare Part D claims than the average hematology & oncology physician in 2024

163 Medicare Part D claims for 50 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. Susan Tannenbaum163
  2. Specialty average877

Most prescribed

  1. Anastrozole52 claims
  2. Ibrance16 claims
  3. Tamoxifen Citrate16 claims
  4. Letrozole13 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): 79.3 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.

  1. Qualityout of 100 · 30% of the final score69.2
  2. Costout of 100 · 30%48.1
  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, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Connecticut Health CenterFarmington, CT

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

Hematology & Oncology Physician providers in Connecticut

There are 198 hematology & oncology physician records in Connecticut.

Other hematology & oncology physician records in Connecticut

  1. Martin Abrams, M.D.Danbury, CT1073507851
  2. Jennifer Afranie-Sakyi, MDNew Haven, CT1902369358
  3. Luis E. Aguirre, MDNew Haven, CT1497276240
  4. Todd Alekshun, M.D.Hartford, CT1558495689
  5. Ash AlpertNew Haven, CT1689084071
  6. Susan Alsamarai, MDMeriden, CT1174734768
  7. Biree Andemariam, MDFarmington, CT1396935136
  8. Matthew AustinNew Haven, CT1730591397
  9. Ravneet Bajwa, MDDanbury, CT1578926945
  10. William Baker, M.D.Farmington, CT1710923073

Common questions

What is Susan H. Tannenbaum, MD's NPI number?

Susan H. Tannenbaum, MD's National Provider Identifier (NPI) is 1447257704, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Susan H. Tannenbaum, MD located?

The NPPES record lists a practice address at 263 Farmington Ave, Farmington, CT, 06030. Phone: (860) 679-2100. Providers update this record themselves, so call before visiting.

How can I verify Susan H. Tannenbaum, MD's license?

NPPES lists Connecticut license number 041311, 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 Susan H. Tannenbaum, MD prescribe under Medicare Part D?

In 2024, Susan H. Tannenbaum, MD had 163 Medicare Part D claims for 50 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.

What is Susan H. Tannenbaum, MD's MIPS final score?

The 2023 MIPS final score is 79.3 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.