Philip Thomas Neff, M.D.
Surgery Physician · Denver, CO
Philip Thomas Neff, M.D. is a surgery physician with a practice address in Denver, Colorado, and NPI 1205943693, issued on Aug 23, 2006. Check the license (Colorado 32030, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.
- Name
- Philip Thomas Neff
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 32030 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2045 N Franklin St, Denver, CO 80205
- Phone
- (303) 338-4545
- Enumerated
- Aug 23, 2006
- Record last updated
- Apr 13, 2026
- Medicaid ID
- 01320308 CO
- Medicare enrollment
- Enrolled (PECOS I20090928000386); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 608 in Colorado → Look up another NPI →
Also registered at 2045 N Franklin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Abruzzo, M.D.Cardiovascular Disease Physician1336276385
- Alicia Adams, O.D.Optometrist1790072643
- Gareth Adams, MDNeurological Surgery Physician1750611158
- Alison Agner, M.D.Obstetrics & Gynecology Physician1467662833
- Adele Alcocer, RN BSNRegistered Nurse1285176495
- Leonardo Alfaro, M.D.Surgery Physician1326251398
Verify Philip Thomas Neff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersColorado Medical Board
Search for license 32030Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average surgery physician in 2024
62 Medicare Part D claims for 42 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen22 claims
- Oxycodone Hcl13 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
- Colorado Permanente Medical Group PCDenver, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Philip Thomas Neff among 608 surgery physician records in Colorado
Philip Thomas Neff, M.D. is one of 608 surgery physician records with a practice address in Colorado. 74% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated1988 · median 2005 among the 370 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Colorado
There are 608 surgery physician records in Colorado.
All 608 in Colorado → Every provider in Denver → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Ellie BenderDenver, CO 802051699819201
- Stephen Creaghe, M.D.Denver, CO 802051760526545
- Nita Ellis, M.D.Denver, CO 802051558405274
- Joyce Haun, MDDenver, CO 802051801930524
- Rebecca HawkinsDenver, CO 802051396889093
- Rebecca JironDenver, CO 802051013051812
- Karen JohlerDenver, CO 802051679617377
- Karen Lucas, M.D.Denver, CO 802051427192053
Common questions
What is Philip Thomas Neff, M.D.'s NPI number?
Philip Thomas Neff, M.D.'s National Provider Identifier (NPI) is 1205943693, issued on Aug 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Philip Thomas Neff, M.D. located?
The NPPES record lists a practice address at 2045 N Franklin St, Denver, CO, 80205. Phone: (303) 338-4545. Providers update this record themselves, so call before visiting.
How can I verify Philip Thomas Neff, M.D.'s license?
NPPES lists Colorado license number 32030, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Philip Thomas Neff, M.D. prescribe under Medicare Part D?
In 2024, Philip Thomas Neff, M.D. had 62 Medicare Part D claims for 42 beneficiaries; the average among surgery physician prescribers was 147. 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.