Doctor profile · Federal record

Dr. Mark King, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Boulder, CO

  • NPI 1902888746
  • Accepts Medicare
  • 32 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4800 Riverbend RD, Suite 200
Boulder, CO 803012636
(303) 415-8850
fax (303) 415-8870
Mailing address
5450 Western Ave
Boulder, CO 803012709

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
November 9, 2017
Year of graduation
1994 — 32 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Colorado #DR.0043187
Medicaid
CO #73205338

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902888746. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
566
Distinct HCPCS
9
Medicare allowed
$69,427
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 164 91 $118
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 116 68 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 110 58 $128
99215 Established patient office or other outpatient visit, 40-54 minutes 60 42 $179
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 36 $169
99213 Established patient office or other outpatient visit, 20-29 minutes 27 21 $91
99205 New patient office or other outpatient visit, 60-74 minutes 25 25 $220
36415 Insertion of needle into vein for collection of blood sample 17 13 $8
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $167

In context: peer comparison

Among 3 peers in this city , average services per provider: 68. This provider delivers 8.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$16
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insmed, Inc. 1 $16.24

By nature of payment

Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
301
Patients
46
Total drug cost
$60,515
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 60 20 $1,560
Amoxicillin Generic 32 13 $582
Doxycycline Hyclate Generic 30 13 $1,720
Valacyclovir (Valacyclovir Hcl) Brand 26 0 $1,552
Cefazolin Sodium Generic 25 0 $2,293
Doxycycline Monohydrate Generic 25 0 $696
Cefadroxil Generic 20 0 $881
Fluconazole Generic 16 0 $512
Linezolid Generic 16 0 $2,522
Daptomycin Generic 15 0 $13,082

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark King's medical specialty?
Dr. Mark King practices Infectious Disease Physician in Boulder, CO.
Where does Dr. Mark King practice?
Dr. Mark King practices at 4800 Riverbend RD, Boulder, CO 803012636. Office phone: 3034158850.
What is Dr. Mark King's NPI?
Dr. Mark King's National Provider Identifier (NPI) is 1902888746, issued by NPPES.
Does Dr. Mark King accept Medicare assignment?
Yes. Dr. Mark King accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark King commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.