Doctor profile · Federal record

Dr. Kristen McMillen, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Gynecologic Oncology Physician · Lone Tree, CO

  • NPI 1447607809
  • Accepts Medicare
  • 11 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
10107 Ridgegate Pkwy Ste 120
Lone Tree, CO 801245640
(303) 955-7574
fax (720) 242-9307

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
February 9, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Tennessee #20303

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447607809. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
153
Distinct HCPCS
2
Medicare allowed
$10,991
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 84 14 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 69 56 $78

In context: peer comparison

Among 14 peers in Lone Tree Family Nurse Practitioner, average services per provider: 52. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$487
Transactions
20
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Genmab U.S., INC. 3 $95.82
AstraZeneca Pharmaceuticals Lp 4 $84.45
Merck Sharp & Dohme LLC 3 $66.15
Tempus Ai, INC 2 $51.65
C. R. Bard, INC. & Subsidiaries 2 $47.36
Hologic Sales and Service, LLC 2 $46.86
Abbvie INC. 2 $44.23
GlaxoSmithKline, LLC. 1 $30.31
Smith+Nephew, INC. 1 $20.19

By nature of payment

Food and Beverage
$487

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
14
Patients
14
Total drug cost
$86
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 14 14 $86

Frequently asked questions

Auto-generated from federal data
What is Dr. Kristen McMillen's medical specialty?
Dr. Kristen McMillen practices Family Nurse Practitioner in Lone Tree, CO.
Where does Dr. Kristen McMillen practice?
Dr. Kristen McMillen practices at 10107 Ridgegate Pkwy Ste 120, Lone Tree, CO 801245640. Office phone: 3039557574.
What is Dr. Kristen McMillen's NPI?
Dr. Kristen McMillen's National Provider Identifier (NPI) is 1447607809, issued by NPPES.
Does Dr. Kristen McMillen accept Medicare assignment?
Yes. Dr. Kristen McMillen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kristen McMillen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.