NPPES file of Aug 9, 2026

Elizabeth Tamaren

Surgical Physician Assistant · Boulder, CO

Elizabeth Tamaren is a surgical physician assistant with a practice address in Boulder, Colorado, and NPI 1104594183, issued on Sep 2, 2021. Check the license (Colorado PA.0007125, as entered in NPPES) with the Colorado board that licenses this profession; 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
1104594183
Name
Elizabeth Tamaren
Primary taxonomy
Surgical Physician Assistant 363AS0400X
License number
PA.0007125 CO
Self-reported in NPPES; status is on the state search
Practice location
4743 Arapahoe Ave Ste 202, Boulder, CO 80303
Phone
(303) 938-5700
Enumerated
Sep 2, 2021
Record last updated
Jul 24, 2025
Fax
(303) 998-0007
Medicaid ID
9000200340 CO
Medicare enrollment
Enrolled (PECOS I20211215001773); accepts Medicare assignment
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 4743 Arapahoe Ave Ste 202

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

  1. Tara Adams, MSPAS, PA-CSurgical Physician Assistant1013674621
  2. Victoria Beloy, PA-CSurgical Physician Assistant1154653772
  3. Dillon Duval, PAPhysician Assistant1114577020
  4. Michael Kiley, PAPhysician Assistant1144297136
  5. Leah Musch, RN, BSNFamily Nurse Practitioner1134529712
  6. Sharad Rajpal, M.D.Neurological Surgery Physician1699730986

Verify Elizabeth Tamaren in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Colorado board licenses this profession
    Search for license PA.0007125
    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
Find the Colorado license search

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53% fewer Medicare Part D claims than the average surgical physician assistant in 2024

142 Medicare Part D claims for 69 beneficiaries, against an average of 304 among the 10,174 providers of this specialty who prescribed in Part D. 56 claims were for opioids.

  1. Elizabeth Tamaren142
  2. Specialty average304

Most prescribed

  1. Oxycodone Hcl42 claims
  2. Cephalexin27 claims
  3. Methocarbamol27 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: $95.74

3 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 7,578 providers of this specialty with any payment received $703.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elizabeth Tamaren$95.74
  2. Specialty average$703.95

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.

Elizabeth Tamaren among 699 surgical physician assistant records in Colorado

Elizabeth Tamaren is one of 699 surgical physician assistant records with a practice address in Colorado. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 80% of them.

  • NPI issued2021 · 80% of these records are older, 14% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 73% of these records are
  • Graduated2021 · median 2015 among the 511 with a school on file
  • Record last updated2025 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AS0400X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Physician Assistant providers in Colorado

There are 699 surgical physician assistant records in Colorado.

The 8 surgical physician assistant records with the nearest ZIP codes

  1. Alex Ashton, PACBoulder, CO 803031982643599
  2. Victoria Beloy, PA-CBoulder, CO 803031154653772
  3. Eric Busch, PACBoulder, CO 803031346289956
  4. Kristin Cartledge, PA-CBoulder, CO 803031700434644
  5. Allan Coltrain, CSFA, LSABoulder, CO 803031558671727
  6. Rachel Cooke, PA-CBoulder, CO 803031568903979
  7. Meredith DaltonBoulder, CO 803031750702981
  8. Sarah Gardner, RPA-CBoulder, CO 803031285879452

Common questions

What is Elizabeth Tamaren's NPI number?

Elizabeth Tamaren's National Provider Identifier (NPI) is 1104594183, issued on Sep 2, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Elizabeth Tamaren located?

The NPPES record lists a practice address at 4743 Arapahoe Ave Ste 202, Boulder, CO, 80303. Phone: (303) 938-5700. Providers update this record themselves, so call before visiting.

How can I verify Elizabeth Tamaren's license?

NPPES lists Colorado license number PA.0007125, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Elizabeth Tamaren prescribe under Medicare Part D?

In 2024, Elizabeth Tamaren had 142 Medicare Part D claims for 69 beneficiaries; the average among surgical physician assistant prescribers was 304. 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.