Doctor profile · Federal record

Dr. Melissa Dunn, MD

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Phlebology Physician · Hospitalist Physician · Longmont, CO

  • NPI 1598895435
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
1551 Professional Ln Unit 241
Longmont, CO 805016967
(800) 991-6117
fax (888) 812-8191
Additional location
1635 Aurora CT Fl 3
Aurora, CO 800452541
(720) 848-0000
Additional location
4745 Arapahoe Ave Ste 320
Boulder, CO 803031082
(303) 441-0587
fax (303) 996-0801
Show 1 more location
Additional location
5657 S Himalaya St Ste 210
Centennial, CO 800155309
Mailing address
3820 Northdale Blvd Ste 201
Tampa, FL 336241893

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
July 24, 2025
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Colorado #DR.0040565
Medicaid
CO #82686874

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598895435. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
287
Distinct HCPCS
8
Medicare allowed
$141,059
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 64 37 $92
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 61 30 $126
36482 Chemical destruction of first incompetent vein of arm or leg using imaging guidance 41 21 $1,772
93970 Ultrasound study of arm or leg veins with compression and maneuvers 31 24 $198
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 28 18 $1,416
36471 Injection of chemical agent into multiple incompetent veins of leg 23 16 $211
76942 Ultrasonic guidance for needle placement 22 15 $60
99204 New patient office or other outpatient visit, 45-59 minutes 17 17 $169

In context: peer comparison

Among 7 peers in Longmont Obstetrics & Gynecology Physician, average services per provider: 28. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$73
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Tactile Systems Technology INC 3 $73.31

By nature of payment

Food and Beverage
$73

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Dunn's medical specialty?
Dr. Melissa Dunn practices Obstetrics & Gynecology Physician in Longmont, CO.
Where does Dr. Melissa Dunn practice?
Dr. Melissa Dunn practices at 1551 Professional Ln Unit 241, Longmont, CO 805016967. Office phone: 8009916117.
What is Dr. Melissa Dunn's NPI?
Dr. Melissa Dunn's National Provider Identifier (NPI) is 1598895435, issued by NPPES.
Does Dr. Melissa Dunn accept Medicare assignment?
Yes. Dr. Melissa Dunn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Dunn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); Chemical destruction of first incompetent vein of arm or leg using imaging guidance (HCPCS 36482). Source: CMS Medicare Physician & Other Practitioners file.