Doctor profile · Federal record

Dr. Christopher Flom, RN, FNP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Castle Rock, CO

  • NPI 1891823753
  • Accepts Medicare
  • MIPS 47.0 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
5544 Promenade Pkwy
Castle Rock, CO 80108
(303) 562-9157
Additional location
1441 Broadway St, 2Nd Floor
Boulder, CO 803026214
(303) 444-7774
Additional location
2923 E 29Th Ave
Spokane, WA 992234811
(888) 227-3312

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
November 3, 2025
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Colorado #APN.0994531-NP

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891823753. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
593
Distinct HCPCS
10
Medicare allowed
$26,272
HCPCS Description Services Patients Avg allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 96 92 $65
81002 Urinalysis, manual test 67 65 $3
80047 Blood test, basic group of blood chemicals (calcium, ionized) 60 59 $13
85014 Red blood cell concentration measurement 60 59 $2
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes 58 54 $108
J0696 Injection, ceftriaxone sodium, per 250 mg 56 14 $1
99342 Residence visit for new patient with low level of medical decision making, per day, if using time, at least 30 minutes 49 49 $66
36415 Insertion of needle into vein for collection of blood sample 41 41 $8
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 31 31 $41
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes 27 26 $158

In context: peer comparison

Among 6 peers in Castle Rock Family Nurse Practitioner, average services per provider: 132. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
323
Patients
285
Total drug cost
$4,039
Drug Type Claims Patients Total cost
Prednisone Generic 52 52 $184
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 30 28 $728
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 26 26 $368
Fluconazole Generic 24 20 $181
Doxycycline Monohydrate Generic 23 23 $454
Levofloxacin Generic 22 21 $134
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 20 15 $535
Cefdinir Generic 20 19 $558
Cephalexin Generic 20 20 $220
Ondansetron Odt (Ondansetron) Brand 18 17 $310

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Flom's medical specialty?
Dr. Christopher Flom practices Family Nurse Practitioner in Castle Rock, CO.
Where does Dr. Christopher Flom practice?
Dr. Christopher Flom practices at 5544 Promenade Pkwy, Castle Rock, CO 80108. Office phone: 3035629157.
What is Dr. Christopher Flom's NPI?
Dr. Christopher Flom's National Provider Identifier (NPI) is 1891823753, issued by NPPES.
Does Dr. Christopher Flom accept Medicare assignment?
Yes. Dr. Christopher Flom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Flom commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with low level of medical decision making (HCPCS 99348); Urinalysis, manual test (HCPCS 81002); Blood test, basic group of blood chemicals (calcium, ionized) (HCPCS 80047). Source: CMS Medicare Physician & Other Practitioners file.