NPPES file of Aug 9, 2026

Martin Mark Keibel

Family Medicine Physician · Manchester, CT

Martin Mark Keibel is a family medicine physician with a practice address in Manchester, Connecticut, and NPI 1427067339, issued on Aug 7, 2006. Check the license (Connecticut 023567, 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
1427067339
Name
Martin Mark Keibel
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
023567 CT
Self-reported in NPPES; status is on the state search
Practice location
574 Middle Tpke E, Manchester, CT 06040
Phone
(860) 646-4334
Enumerated
Aug 7, 2006
Record last updated
Oct 31, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(860) 646-7020
Medicare enrollment
Enrolled (PECOS I20100928000404); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1977
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 574 Middle Tpke E

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

  1. Paige LandyPhysician Assistant1215824107
  2. Barbara Phillips, MDFamily Medicine Physician1073522991
  3. Evelyn Quist, MDFamily Medicine Physician1730747841
  4. Alexis Siegel, PA-CMedical Physician Assistant1669030177

Verify Martin Mark Keibel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 023567
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.1 times the Medicare Part D claims of the average family medicine physician in 2024

7,545 Medicare Part D claims for 707 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 205 claims were for opioids.

  1. Martin Keibel7,545
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium446 claims
  2. Lisinopril382 claims
  3. Rosuvastatin Calcium373 claims
  4. Metformin Hcl271 claims
  5. Hydrochlorothiazide256 claims
  6. Simvastatin215 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.

  1. Qualityout of 100 · 30% of the final score78.5
  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. Hartford Healthcare Medical Group IncSouthington, CT

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

Martin Mark Keibel among 958 family medicine physician records in Connecticut

Martin Mark Keibel is one of 958 family medicine physician records with a practice address in Connecticut. 79% 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 7% of them.

  • NPI issued2006 · 7% of these records are older, 57% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1977 · median 2009 among the 611 with a school on file
  • Record last updated2007 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 family medicine physician records list a practice address in Manchester

They are 38 of the 2,184 NPPES records with a practice address in Manchester, and 958 family medicine physician records in Connecticut.

The 8 family medicine physician records with the nearest ZIP codes

  1. Gordon Brodie, M.DManchester, CT 060401114995016
  2. Karen Cadman, M.D.Manchester, CT 060401437127370
  3. Navin Gazi, MD, MBBSManchester, CT 060401508183146
  4. Tricia Hall, D.O.Manchester, CT 060401962714022
  5. Minh Han, MDManchester, CT 060401881605178
  6. Quazi Islam, MDManchester, CT 060401023111879
  7. Remi Mathews, M.D.Manchester, CT 060401407054794
  8. Robert Osley, MDManchester, CT 060401336126812

Common questions

What is Martin Mark Keibel's NPI number?

Martin Mark Keibel's National Provider Identifier (NPI) is 1427067339, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin Mark Keibel located?

The NPPES record lists a practice address at 574 Middle Tpke E, Manchester, CT, 06040. Phone: (860) 646-4334. Providers update this record themselves, so call before visiting.

How can I verify Martin Mark Keibel's license?

NPPES lists Connecticut license number 023567, 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 Martin Mark Keibel prescribe under Medicare Part D?

In 2024, Martin Mark Keibel had 7,545 Medicare Part D claims for 707 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

What is Martin Mark Keibel'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.