Doctor profile · Federal record

Dr. Clayton Green, M.D.,PH.D.

Dermatology Physician (CMS: Dermatology) · Dermatology Physician · Dermatology Physician · Denver, CO

  • NPI 1194942151
  • Accepts Medicare
  • MIPS 73.3 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
University of Colorado School of Medicine, 4900 E. 9Th Ave
Denver, CO 802620001
(303) 315-7424
Additional location
Marshfield Clinic, 1000 N Oak Ave
Marshfield, WI 544495703
(715) 387-5511

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
September 10, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207N00000X — NUCC code
State licenses (3)
Colorado #2226 · New York #303395 · Wisconsin #54350

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1194942151. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
242
Distinct HCPCS
6
Medicare allowed
$12,958
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 77 70 $65
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 50 50 $35
99451 Telephone, internet, or electronic health record assessment and management with written report by consulting physician, at least 5 minutes 48 48 $35
99214 Established patient office or other outpatient visit, 30-39 minutes 35 28 $96
17000 Destruction of precancer skin growth, 1 growth 17 16 $45
11102 Biopsy of related skin growth, first growth 15 12 $29

In context: peer comparison

Among 17 peers in Denver Dermatology Physician, average services per provider: 128. This provider delivers 1.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$32
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 1 $31.55

By nature of payment

Food and Beverage
$32

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
443
Patients
113
Total drug cost
$118,342
Drug Type Claims Patients Total cost
Ketoconazole Generic 58 25 $1,655
Triamcinolone Acetonide Generic 45 30 $552
Doxycycline Hyclate Generic 40 0 $2,075
Betamethasone Dipropionate Generic 37 20 $2,898
Betamethasone Diprop Augmented (Betamethasone/Propylene Glyc) Brand 33 0 $2,094
Methotrexate (Methotrexate Sodium) Brand 28 0 $759
Dupixent Pen (Dupilumab) Brand 27 0 $97,819
Hydrocortisone Generic 26 12 $195
Montelukast Sodium Generic 26 0 $227
Clobetasol Propionate Generic 23 15 $1,395

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Clayton Green's medical specialty?
Dr. Clayton Green practices Dermatology Physician in Denver, CO.
Where does Dr. Clayton Green practice?
Dr. Clayton Green practices at University of Colorado School of Medicine, Denver, CO 802620001. Office phone: 3033157424.
What is Dr. Clayton Green's NPI?
Dr. Clayton Green's National Provider Identifier (NPI) is 1194942151, issued by NPPES.
Does Dr. Clayton Green accept Medicare assignment?
Yes. Dr. Clayton Green accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clayton Green commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451); Telephone, internet, or electronic health record assessment and management with written report by consulting physician (HCPCS 99451). Source: CMS Medicare Physician & Other Practitioners file.