Doctor profile · Federal record

Dr. William Parker, APN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Medicine Physician · Parker, CO

  • NPI 1417615345
  • Accepts Medicare
  • MIPS 88.9 / 100 · 2023
  • 5 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12959 S Parker RD
Parker, CO 801343447
(720) 842-4089
Mailing address
2620 Elm Hill Pike
Nashville, TN 372143108

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Profile last updated
January 9, 2024
Year of graduation
2021 — 5 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Colorado #APN.0999039-NP · Colorado #C-APN.0003548-C-NP

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417615345. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
75
Distinct HCPCS
2
Medicare allowed
$7,526
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 54 31 $110
99213 Established patient office or other outpatient visit, 20-29 minutes 21 20 $77

In context: peer comparison

Among 18 peers in this city , average services per provider: 293. This provider delivers 0.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
153
Patients
0
Total drug cost
$1,374
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 38 0 $440
Lisinopril Generic 31 0 $149
Tamsulosin Hcl Generic 16 0 $246
Amlodipine Besylate Generic 15 0 $102
Metformin Hcl Er (Metformin Hcl) Brand 15 0 $189
Warfarin Sodium Generic 14 0 $55
Levothyroxine Sodium Generic 12 0 $34
Omeprazole Generic 12 0 $158

Frequently asked questions

Auto-generated from federal data
What is Dr. William Parker's medical specialty?
Dr. William Parker practices Family Nurse Practitioner in Parker, CO.
Where does Dr. William Parker practice?
Dr. William Parker practices at 12959 S Parker RD, Parker, CO 801343447. Office phone: 7208424089.
What is Dr. William Parker's NPI?
Dr. William Parker's National Provider Identifier (NPI) is 1417615345, issued by NPPES.
Does Dr. William Parker accept Medicare assignment?
Yes. Dr. William Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Parker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.