Howard Quentzel, M.D.
Infectious Disease Physician · Derby, CT
Howard Quentzel, M.D. is an infectious disease physician with a practice address in Derby, Connecticut, and NPI 1063438406, issued on Jul 15, 2006. Check the license (Connecticut 028123, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Howard Quentzel
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 028123 CT
Self-reported in NPPES; status is on the state search - Practice location
- 130 Division St, Derby, CT 06418
- Phone
- (203) 732-7439
- Enumerated
- Jul 15, 2006
- Record last updated
- Aug 4, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (203) 732-1425
- Medicare enrollment
- Enrolled (PECOS I20111116000406); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1987
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 202 in Connecticut → Look up another NPI →
Also registered at 130 Division St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohammed Abbas, MDStudent in an Organized Health Care Education/Training Program1215687991
- Jenny Abdulkarim, MDStudent in an Organized Health Care Education/Training Program1033795729
- Ahmed AbdullahStudent in an Organized Health Care Education/Training Program1255034690
- Binta Abdullahi, MDStudent in an Organized Health Care Education/Training Program1942051057
- Nicholas Adams, NPNurse Practitioner1093599979
- Divya Aggarwal, MDStudent in an Organized Health Care Education/Training Program1154558401
Verify Howard Quentzel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 028123Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average infectious disease physician in 2024
30 Medicare Part D claims, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
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.
Howard Quentzel among 202 infectious disease physician records in Connecticut
Howard Quentzel, M.D. is one of 202 infectious disease physician records with a practice address in Connecticut. 77% 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, 57% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1987 · median 2003 among the 136 with a school on file
- Record last updated2014 · 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 207RI0200X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Connecticut
There are 202 infectious disease physician records in Connecticut.
All 202 in Connecticut → Every provider in Derby → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Margaret Tawadrous, M.D.Guilford, CT 064371629202353
- Zoheir Khan, MDMeriden, CT 064501730635020
- Stephen Scholand, MDMeriden, CT 064511679500268
- Alina Filozov, D.O.Middletown, CT 064571578753158
- Catherine Pulaski, DOMiddletown, CT 064571477131456
- Robert Wallis, M.D.Old Lyme, CT 063711154555738
- Jeanne Breen, M.D.Old Saybrook, CT 064751811129463
- Michael Dunne, MDOld Saybrook, CT 064751336768944
Common questions
What is Howard Quentzel, M.D.'s NPI number?
Howard Quentzel, M.D.'s National Provider Identifier (NPI) is 1063438406, issued on Jul 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Howard Quentzel, M.D. located?
The NPPES record lists a practice address at 130 Division St, Derby, CT, 06418. Phone: (203) 732-7439. Providers update this record themselves, so call before visiting.
How can I verify Howard Quentzel, M.D.'s license?
NPPES lists Connecticut license number 028123, 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 Howard Quentzel, M.D. prescribe under Medicare Part D?
In 2024, Howard Quentzel, M.D. had 30 Medicare Part D claims; the average among infectious disease physician prescribers was 689. 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.