Allan S. Kratzer, M.D.
Radiation Oncology Physician · Meriden, CT
Allan S. Kratzer, M.D. is a radiation oncology physician with a practice address in Meriden, Connecticut, and NPI 1639257058, issued on Nov 2, 2006. Check the license (Connecticut 029775, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Allan S. Kratzer
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 029775 CT
Self-reported in NPPES; status is on the state search - Practice location
- 435 Lewis Ave, Meriden, CT 06451
- Phone
- (203) 694-8433
- Enumerated
- Nov 2, 2006
- Record last updated
- Sep 28, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (203) 694-7630
- Medicare enrollment
- Enrolled (PECOS I20110627000007); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1985
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 82 in Connecticut → Look up another NPI →
Also registered at 435 Lewis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marwan Al Aoudi, MBB.CHSurgery Physician1104322700
- Ashley Allatin, PA-CSurgical Physician Assistant1407043557
- Melissa Alvarez, RN, BSN, IBCLCRegistered Nurse1285111443
- Jason Andrus, PA-CSurgical Physician Assistant1104808369
- Tracy Barber, D.O.Emergency Medicine Physician1275615957
- Ebisa Bekele, MDInternal Medicine Physician1649698887
Verify Allan S. Kratzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 029775Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average radiation oncology physician in 2024
70 Medicare Part D claims for 35 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Nystatin-Triamcinolone17 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.
Bills Medicare through one group practice
- Central Connecticut Radiation Oncology PCNew Britain, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allan S. Kratzer among 82 radiation oncology physician records in Connecticut
Allan S. Kratzer, M.D. is one of 82 radiation oncology physician records with a practice address in Connecticut. 93% 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 22% of them.
- NPI issued2006 · 22% of these records are older, 57% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1985 · median 2007 among the 64 with a school on file
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Connecticut
There are 82 radiation oncology physician records in Connecticut.
All 82 in Connecticut → Every provider in Meriden → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Matthew Listo, M.D.Middletown, CT 064571568882900
- Allen Silberstein, MDMiddletown, CT 064571427163815
- Joseph Weissberg, MDMiddletown, CT 064571720193113
- Ranjit Bindra, M.D., PH.D.New Haven, CT 065101326206855
- Joseph Contessa, M.D., PH.D.New Haven, CT 065101639298318
- Peter Glazer, MDNew Haven, CT 065101396734166
- Susan Higgins, MDNew Haven, CT 065101962485987
- Kimberly Johung, M.D. PH.DNew Haven, CT 065101255505178
Common questions
What is Allan S. Kratzer, M.D.'s NPI number?
Allan S. Kratzer, M.D.'s National Provider Identifier (NPI) is 1639257058, issued on Nov 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allan S. Kratzer, M.D. located?
The NPPES record lists a practice address at 435 Lewis Ave, Meriden, CT, 06451. Phone: (203) 694-8433. Providers update this record themselves, so call before visiting.
How can I verify Allan S. Kratzer, M.D.'s license?
NPPES lists Connecticut license number 029775, 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 Allan S. Kratzer, M.D. prescribe under Medicare Part D?
In 2024, Allan S. Kratzer, M.D. had 70 Medicare Part D claims for 35 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
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.