Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1063972040 Individual Practitioner Male Practitioner

Dr. William Crane Fix , MD

Dermatology • Boulder, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. William Fix, MD is a certified Dermatology practicing in Boulder, CO. With approximately 7 years of clinical experience since graduating from Perelman School Of Med At The University Of Pennsylvania in 2019, Dr. Fix delivers high-quality medical care to the local community at 3434 47TH ST STE 200.

Dr. Fix is affiliated with K2 Dermatology Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include destruction of precancer skin growth, 2-14 growths, destruction of skin growth, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3434 47th St Ste 200

Boulder, CO 803011817

Telephone 3034448100
Associated Practice Facility / Clinic
🏢 Professional Foundation Inc Facility NPI 1295059780

Medicare Profile & Education

Medical School

Perelman School Of Med At The University Of Pennsylvania

Graduation Year

2019

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Dermatology in Boulder, CO

Experienced Practitioner (5-10 Yrs)
Practitioner Clinical Experience
7 Yrs -7.6 yrs vs City Avg
City Avg: 14.6 Yrs
State Avg: 19.3 Yrs
Regional Practice Density
19 Specialists

Practicing in Boulder, CO (321 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
61.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Fix (7 Years) 7 Yrs
Boulder Specialty Average (14.6 Years) 14.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
17003 Destruction of precancer skin growth, 2-14 growths
518 128 $15.57 $6.32
17000 Destruction of skin growth
163 159 $158.46 $50.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
131 122 $294.12 $122.75
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
85 85 $390.96 $158.75
99213 Established patient office or other outpatient visit, typically 15 minutes
77 75 $219.77 $87.33
17110 Destruction of up to 14 skin growths
74 71 $269.48 $105.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
54 54 $278.95 $107.37
11102 Tangential biopsy of single skin lesion
39 38 $259.29 $89.55
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
15 11 $2.43 $0.93
13101 Complicated repair of wound of trunk, 2.6-7.5 cm
13 13 $867.31 $341.28

Medical Specialties & State Licenses

CMS Verified: 2025-06-03
Dermatology Primary Specialty

NUCC Taxonomy Code: 207N00000X

State License CO DR.0072825

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Dermatology

NUCC Taxonomy Code: 207N00000X

State License KS A6000567

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

Hospital & Practice Group Affiliations

K2 Dermatology Llc

3434 47th St, Boulder, CO 803011817

Phone: 3034448100

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

5 Associated Practitioners
Kirsten Revitte

Physician Assistant

NPI 1124636568
Susan Rancis , PA-C

Physician Assistant

NPI 1144213679

Physician Assistant (Certified)

NPI 1144214016

Doctor of Medicine (M.D.)

Amanda Lapointe , PA-C

Physician Assistant

NPI 1336339894

Physician Assistant (Certified)

NPI 1902194871

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

16 Historical Events
📍
Updated Practice Location June 03, 2025

Registered at 3434 47TH ST STE 200, BOULDER, CO 803011817 (Tel: 3034448100)

📍
Updated Business Mailing Address June 03, 2025

Registered at 3434 47TH ST STE 200, BOULDER, CO 803011817 (Tel: 3034448100)

📍
Updated Practice Location May 07, 2024

Registered at 1840 FOLSOM ST STE 100, BOULDER, CO 803025712 (Tel: 7207418051)

📍
Updated Business Mailing Address May 07, 2024

Registered at 1840 FOLSOM ST STE 100, BOULDER, CO 803025712 (Tel: 7207418051)

📍
Updated Practice Location October 04, 2023

Registered at 1213 15TH AVE W STE 102, WILLISTON, ND 588013800 (Tel: 7015018220)

📍
Updated Business Mailing Address October 04, 2023

Registered at 1213 15TH AVE W STE 102, WILLISTON, ND 588013800 (Tel: 7015018220)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) October 04, 2023

Dermatology (License #A6000567 in KS)

📍
Updated Practice Location April 13, 2023

Registered at 111 E 210TH ST, BRONX, NY 104672401 (Tel: 7189204321)

📍
Updated Business Mailing Address April 13, 2023

Registered at 3411 WAYNE AVE, BRONX, NY 104672509 (Tel: 7039694012)

👤
Provider Name / Credentials Updated April 13, 2023

Recorded as WILLIAM FIX, MD

NPI Profile Active March 25, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location March 25, 2019

Registered at 800 SPRUCE ST, PHILADELPHIA, PA 191076192 (Tel: 2158293000)

📍
Updated Business Mailing Address March 25, 2019

Registered at 2124 SPRUCE ST APT 1R, PHILADELPHIA, PA 191036577 (Tel: 7039694012)

👤
Provider Name / Credentials Updated March 25, 2019

Recorded as WILLIAM FIX

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 25, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 25, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. William Fix. Be the first to share your experience!

Sign in to leave a review for Dr. William Fix

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1063972040
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 25, 2019
Last Update: June 03, 2025
Sole Proprietor: No

Mailing Address

3434 47th St Ste 200

Boulder, CO 803011817

Phone: 3034448100

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.