Howard L. Quentzel, M.D., LLC
NPI 1811092836 · Medical Specialty Clinic/Center · Derby, CT
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard L. Quentzel, M.D., LLC is a Medical Specialty Clinic/Center organization in Derby, CT (NPI 1811092836).
Provider details
- NPI number
- 1811092836
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Howard Quentzel, Director(203) 732-7439
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-14
- Last updated
- 2007-09-24
Frequently asked questions
- What is Howard L. Quentzel, M.D., LLC's NPI number?
- Howard L. Quentzel, M.D., LLC's National Provider Identifier (NPI) is 1811092836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Howard L. Quentzel, M.D., LLC?
- Howard L. Quentzel, M.D., LLC is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Howard L. Quentzel, M.D., LLC located?
- Howard L. Quentzel, M.D., LLC's practice location on file with NPPES is 130 Division St, Derby, CT 06418-1326.
- What is Howard L. Quentzel, M.D., LLC's phone number?
- The practice phone number listed in the NPPES registry for Howard L. Quentzel, M.D., LLC is (203) 732-7439.
- Does Howard L. Quentzel, M.D., LLC accept Medicare?
- Howard L. Quentzel, M.D., LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Howard L. Quentzel, M.D., LLC?
- The authorized official listed on Howard L. Quentzel, M.D., LLC's NPPES record is Howard Quentzel, Director. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Howard L. Quentzel, M.D., LLC's NPI active?
- Yes — Howard L. Quentzel, M.D., LLC's NPI (1811092836) is active in the NPPES registry as of the last update on 2007-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.