1. Home
  2. Directory
  3. Colorado
  4. Denver
  5. Surgery
  6. NPI Profile

DR. PHILIP THOMAS NEFF M.D.
NPI 1205943693
Surgery in Denver, CO

Active since August 23, 2006PECOS EnrolledAccepts Medicare Assignment
2045 N FRANKLIN ST, DENVER, CO 80205(303) 338-4545 Get Directions Write a Review

NPPES record last updated: April 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 13, 2026, May 6, 2021, Jan 17, 2020 (3 updates tracked since 2020).

About Dr. Philip Thomas Neff M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PHILIP THOMAS NEFF M.D. (NPI 1205943693) is an individual surgery provider in Denver, Colorado, licensed in Colorado (32030) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1988).

NPPES Registry Identity

NPI1205943693
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameDR. PHILIP THOMAS NEFFCredential: M.D.
Location Address2045 N FRANKLIN STDenver, CO 80205-5437
Mailing Address10350 E Dakota AveDenver, CO 80247-1314
Phone(303) 338-4545
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateAugust 23, 2006
Last NPPES UpdateApril 13, 20263 updates tracked since enumeration
NPPES CertifiedApril 13, 2026
✔ NPI 1205943693 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CO · 32030
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2045 N FRANKLIN ST, Denver, CO 80205
Open in Google Maps ↗

Other Identifiers 3

Medicaid01320308CO
Other020372CO · Kaiser Commercial Number
Other020029784CO · Medicare Rr

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Philip Thomas Neff M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517904899
PECOS Enrollment IDI20090928000386
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$89.43 typical visit price
range $58.06 – $174.82
Typical copayment $22.35 (range $14.51 – $43.70)
Most-billed visit code 99203
Established Patient
$72.20 typical visit price
range $18.88 – $142.79
Typical copayment $18.05 (range $4.72 – $35.69)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ROBERT WARD BURMAN M.D., PH.D.
Radiology (Diagnostic Radiology)
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545
KIMBERLY ANN JOHNSON FNP-BC
Nurse Practitioner (Family)
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 344-4545
MS. ABIGAIL M MCMAHON AUD
Audiologist
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545
DR. JESUS HELIODORO HERMOSILLO RODRIGUEZ MD
Internal Medicine (Hematology & Oncology)
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545
SUZANNE MARIE EHLER FNP
Nurse Practitioner (Family)
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545
CENDI M DURAN RN
Registered Nurse
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 764-4463
DR. PETER JOSEPH KLAUCK MD
Anesthesiology
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545
MELANIE PHILLIPS
Registered Nurse (Oncology)
2045 N FRANKLIN ST
DENVER, CO 80205
Denver County (303) 338-4545

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Philip Neff's NPI number?

The NPI number for Philip Neff is 1205943693. It was assigned to this individual provider in the NPPES registry on August 23, 2006.

Where is Philip Neff located?

Philip Neff practices at 2045 N Franklin St, Denver, CO 80205. The listed phone number is (303) 338-4545.

What is Philip Neff's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Philip Neff enrolled in Medicare?

Yes. Philip Neff is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Philip Neff was last updated on April 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.