John Pfeiffer
Counselor · Denver, CO
John Pfeiffer is a counselor with a practice address in Denver, Colorado, and NPI 1346639994, issued on Jan 21, 2015. Check the license with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Pfeiffer
- Primary taxonomy
- Counselor 101Y00000X
- Practice location
- 833 Emerson St Apt 302, Denver, CO 80218
- Phone
- (303) 437-1223
- Enumerated
- Jan 21, 2015
- Record last updated
- Jan 21, 2015 (not updated in 11 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest counselor records → All 2,550 in Colorado → Look up another NPI →
Verify John Pfeiffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Pfeiffer among 2,550 counselor records in Colorado
John Pfeiffer is one of 2,550 counselor records with a practice address in Colorado. 2% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2015, is newer than 33% of them.
- NPI issued2015 · 33% of these records are older, 60% newer
- In a Medicare fileNo · 2% of these records are
- In the CMS Doctors and Clinicians fileNo · 3% of these records are
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101Y00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
501 counselor records list a practice address in Denver
They are 501 of the 25,068 NPPES records with a practice address in Denver, and 2,550 counselor records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,550 in Colorado → Every provider in Denver → Counselor nationwide →
The 8 counselor records with the nearest ZIP codes
- Lorena Aguilar VazquezDenver, CO 802181295011245
- Lisa BarrDenver, CO 802181245723923
- Kyrie Boyarski, M.A., LPCCDenver, CO 802181225901168
- Noa BryantDenver, CO 802181558817627
- Courtney CreganDenver, CO 802181992444053
- Calley Crews, M.A.Denver, CO 802181174827281
- Breanna FettersDenver, CO 802181316484603
- Colin Foster, LPCCDenver, CO 802181003500489
Common questions
What is John Pfeiffer's NPI number?
John Pfeiffer's National Provider Identifier (NPI) is 1346639994, issued on Jan 21, 2015. An NPI identifies a provider in billing; it is not a license.
Where is John Pfeiffer located?
The NPPES record lists a practice address at 833 Emerson St Apt 302, Denver, CO, 80218. Phone: (303) 437-1223. Providers update this record themselves, so call before visiting.
How can I verify John Pfeiffer's license?
Search the Colorado board that licenses this profession; the NPPES record confirms identity 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. 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.