NPPES file of Aug 9, 2026

Paul N. Siebert, MD

Infectious Disease Physician · Denver, CO

Paul N. Siebert, MD is an infectious disease physician with a practice address in Denver, Colorado, and NPI 1619395191, issued on Apr 2, 2014. Check the license (Colorado DR0061128, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619395191
Name
Paul N. Siebert
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License number
DR0061128 CO
Self-reported in NPPES; status is on the state search
Practice location
950 E Harvard Ave Ste 140, Denver, CO 80210
Phone
(303) 777-0786
Enumerated
Apr 2, 2014
Record last updated
May 12, 2022
Medicare enrollment
Enrolled (PECOS I20190220000320); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2014
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 950 E Harvard Ave Ste 140

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

  1. Andrew Ambler, D.O.Infectious Disease Physician1730126202
  2. Dana HammondsNurse Practitioner1750874020
  3. Simona Oprea, MDInfectious Disease Physician1194711416
  4. Sean Pawlowski, MDInfectious Disease Physician1750437372
  5. Rebecca Rwubusisi, NPAdult Health Nurse Practitioner1700423597
  6. Marc SchulmanInfectious Disease Physician1427476951

Verify Paul N. Siebert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersColorado Medical Board
    Search for license DR0061128
    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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70% fewer Medicare Part D claims than the average infectious disease physician in 2024

204 Medicare Part D claims for 40 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Paul Siebert204
  2. Specialty average689

Most prescribed

  1. Ceftriaxone37 claims
  2. Cefazolin Sodium31 claims
  3. Daptomycin26 claims
  4. Doxycycline Hyclate18 claims
  5. Ampicillin Sodium17 claims
  6. Cephalexin15 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 77.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score59.4
  2. Costout of 100 · 30%42.5
  3. Promoting interoperabilityout of 100 · 25%95.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $255.77

9 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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. Paul Siebert$255.77
  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.

Bills Medicare through one group practice

  1. Colorado Infectious Disease Associates, LLPDenver, CO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Infectious Disease Physician providers in Colorado

There are 182 infectious disease physician records in Colorado.

Other infectious disease physician records in Colorado

  1. Samer Alyaseen, MDAurora, CO1881610715
  2. Andrew Ambler, D.O.Denver, CO1730126202
  3. Wendy Armstrong, MDAurora, CO1083678783
  4. Sandhya Ayyar, M.D.Aurora, CO1861679086
  5. Wendy Bamberg, MDColorado Springs, CO1013119346
  6. Joshua Barocas, M.D.Aurora, CO1518282219
  7. Michelle Barron, M.D.Denver, CO1407960867
  8. Kenneth Baum, M.D.Denver, CO1568427896
  9. Robert Belknap, MDDenver, CO1578573051
  10. Carl Allen Bernas, M.D.Colorado Springs, CO1841454311

Common questions

What is Paul N. Siebert, MD's NPI number?

Paul N. Siebert, MD's National Provider Identifier (NPI) is 1619395191, issued on Apr 2, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Paul N. Siebert, MD located?

The NPPES record lists a practice address at 950 E Harvard Ave Ste 140, Denver, CO, 80210. Phone: (303) 777-0786. Providers update this record themselves, so call before visiting.

How can I verify Paul N. Siebert, MD's license?

NPPES lists Colorado license number DR0061128, 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 Paul N. Siebert, MD prescribe under Medicare Part D?

In 2024, Paul N. Siebert, MD had 204 Medicare Part D claims for 40 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.

What is Paul N. Siebert, MD's MIPS final score?

The 2023 MIPS final score is 77.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.