NPPES file of Aug 9, 2026

Mark D. King, M.D.

Infectious Disease Physician · Boulder, CO

Mark D. King, M.D. is an infectious disease physician with a practice address in Boulder, Colorado, and NPI 1902888746, issued on Nov 17, 2005. Check the license (Colorado DR.0043187, as entered in NPPES) on the Colorado Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1902888746
Name
Mark D. King
Credential
M.D.
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
DR.0043187 CO
Self-reported in NPPES; status is on the state search
Practice location
4800 Riverbend RD, Boulder, CO 80301
Phone
(303) 415-8850
Enumerated
Nov 17, 2005
Record last updated
Nov 9, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(303) 415-8870
Medicaid ID
73205338 CO
Medicare enrollment
Enrolled (PECOS I20050203000926); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1994
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4800 Riverbend RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Kala Kluender, RN, MSN, CNMMidwife1144504168
  2. Alicia Maltzman, N.P.Family Nurse Practitioner1710960380
  3. Amie Meditz, M.D.Infectious Disease Physician1609899251
  4. Heather Pujet, M.D.Infectious Disease Physician1295717049
  5. Ellen Tucker, LCSWClinical Social Worker1124291315
  6. Todd Turner, MDInfectious Disease Physician1770572653

Verify Mark D. King in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR.0043187
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Colorado license search

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9% more Medicare Part D claims than the average infectious disease physician in 2024

754 Medicare Part D claims for 146 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.

  1. Mark King754
  2. Specialty average689

Most prescribed

  1. Amoxicillin-Clavulanate Potass75 claims
  2. Cefadroxil54 claims
  3. Vancomycin Hcl47 claims
  4. Valacyclovir44 claims
  5. Doxycycline Hyclate39 claims
  6. Ceftriaxone36 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $16.24

1 payment: education; the largest payer was Insmed, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark King$16.24
  2. Specialty average$4,362.19

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Boulder Community HealthBoulder, CO · Acute Care Hospitals4 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Mark D. King among 182 infectious disease physician records in Colorado

Mark D. King, M.D. is one of 182 infectious disease physician records with a practice address in Colorado. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 89% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1994 · median 2004 among the 125 with a school on file
  • Record last updated2017 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Infectious Disease Physician providers in Colorado

There are 182 infectious disease physician records in Colorado.

The 8 infectious disease physician records with the nearest ZIP codes

  1. Amie Meditz, M.D.Boulder, CO 803011609899251
  2. Heather Pujet, M.D.Boulder, CO 803011295717049
  3. Arathi Rao, MDBoulder, CO 803011346340205
  4. Todd Turner, MDBoulder, CO 803011770572653
  5. Michelle Barron, M.D.Denver, CO 802621407960867
  6. Janet Kuhns, MDDenver, CO 802471982748786
  7. Martin Krsak, M.D.Denver, CO 802381891958781
  8. Marylouise Cullinan, MDThornton, CO 802291710041942

Common questions

What is Mark D. King, M.D.'s NPI number?

Mark D. King, M.D.'s National Provider Identifier (NPI) is 1902888746, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Mark D. King, M.D. located?

The NPPES record lists a practice address at 4800 Riverbend RD, Boulder, CO, 80301. Phone: (303) 415-8850. Providers update this record themselves, so call before visiting.

How can I verify Mark D. King, M.D.'s license?

NPPES lists Colorado license number DR.0043187, as entered by the provider. Search the Colorado Medical Board at https://dpo.colorado.gov/Medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Mark D. King, M.D. prescribe under Medicare Part D?

In 2024, Mark D. King, M.D. had 754 Medicare Part D claims for 146 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.