John M. Flanigan, DDS
General Practice Dentistry · Denver, CO
John M. Flanigan, DDS is a general practice dentistry with a practice address in Denver, Colorado, and NPI 1578850178, issued on Jul 1, 2011. Check the license (Colorado 10307, as entered in NPPES) with the Colorado board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John M. Flanigan
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 10307 CO
Self-reported in NPPES; status is on the state search - Practice location
- 4101 E Wesley Ave, Denver, CO 80222
- Phone
- (303) 758-3935
- Enumerated
- Jul 1, 2011
- Record last updated
- Jul 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (303) 753-8659
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,488 in Colorado → Look up another NPI →
Also registered at 4101 E Wesley Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lawrence Gabler, D.D.S.General Practice Dentistry1114947249
- William Isaacs, ND, DCChiropractor1083725360
- Aleksandr Lutskiy, DMDGeneral Practice Dentistry1922264282
- William Madden, D.D.S.General Practice Dentistry1235100595
- William Nelson, D.D.S.General Practice Dentistry1336136605
Verify John M. Flanigan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 10307Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average general practice dentistry in 2024
107 Medicare Part D claims for 60 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Amoxicillin59 claims
- Hydrocodone-Acetaminophen17 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.
John M. Flanigan among 2,488 general practice dentistry records in Colorado
John M. Flanigan, DDS is one of 2,488 general practice dentistry records with a practice address in Colorado. 59% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2011 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
306 general practice dentistry records list a practice address in Denver
They are 306 of the 25,068 NPPES records with a practice address in Denver, and 2,488 general practice dentistry records in Colorado.
All 2,488 in Colorado → Every provider in Denver → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Kevin Berry, DDSDenver, CO 802221003998485
- Kary Berry, DDSDenver, CO 802221215080841
- William Bissell, DDSDenver, CO 802221013935147
- Laura Brenner, DDSDenver, CO 802221073649547
- Ronald Brown, DDSDenver, CO 802221154321206
- Robert Bunch, DDSDenver, CO 802221366578833
- Russell Casement, DDSDenver, CO 802221679575740
- Lawrence Gabler, D.D.S.Denver, CO 802221114947249
Common questions
What is John M. Flanigan, DDS's NPI number?
John M. Flanigan, DDS's National Provider Identifier (NPI) is 1578850178, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John M. Flanigan, DDS located?
The NPPES record lists a practice address at 4101 E Wesley Ave, Denver, CO, 80222. Phone: (303) 758-3935. Providers update this record themselves, so call before visiting.
How can I verify John M. Flanigan, DDS's license?
NPPES lists Colorado license number 10307, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
How much does John M. Flanigan, DDS prescribe under Medicare Part D?
In 2024, John M. Flanigan, DDS had 107 Medicare Part D claims for 60 beneficiaries; the average among general practice dentistry prescribers was 83. 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.