Doctor profile · Federal record

Dr. Christopher Keenan, MD

Family Medicine Physician (CMS: Family Practice) · Longmont, CO

  • NPI 1851389209
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 S Main St
Longmont, CO 805016427
(720) 718-8410
fax (720) 718-8999
Mailing address
10350 E Dakota Ave
Denver, CO 802471314

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
July 20, 2023
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Colorado #DR.0034217
Medicaid
CO #01342179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851389209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
233
Distinct HCPCS
7
Medicare allowed
$20,248
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 78 67 $127
G0008 Administration of influenza virus vaccine 41 41 $31
90662 Influenza vaccine split virus, preservative free 37 37 $72
90480 Admn sarscov2 vacc 1 dose 24 24 $41
91320 Sarscv2 vac 30mcg trs-suc im 24 24 $128
36415 Insertion of needle into vein for collection of blood sample 16 15 $8
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $167

In context: peer comparison

Among 20 peers in this city , average services per provider: 128. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
550
Patients
333
Total drug cost
$10,371
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 60 33 $856
Levothyroxine Sodium Generic 54 28 $1,043
Gabapentin Generic 52 35 $1,224
Lisinopril Generic 48 22 $482
Furosemide Generic 40 23 $341
Amlodipine Besylate Generic 36 22 $394
Prednisone Generic 36 30 $209
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 30 24 $607
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 30 16 $750
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 29 28 $392

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Keenan's medical specialty?
Dr. Christopher Keenan practices Family Medicine Physician in Longmont, CO.
Where does Dr. Christopher Keenan practice?
Dr. Christopher Keenan practices at 601 S Main St, Longmont, CO 805016427. Office phone: 7207188410.
What is Dr. Christopher Keenan's NPI?
Dr. Christopher Keenan's National Provider Identifier (NPI) is 1851389209, issued by NPPES.
Does Dr. Christopher Keenan accept Medicare assignment?
Yes. Dr. Christopher Keenan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Keenan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Administration of influenza virus vaccine (HCPCS G0008); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.