NPPES file of Aug 9, 2026

Tara A. Grieshaber, PA

Physician Assistant · Golden, CO

Tara A. Grieshaber, PA is a physician assistant with a practice address in Golden, Colorado, and NPI 1881337798, issued on Apr 18, 2022. Check the license (Colorado PA.0007300, 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
1881337798
Name
Tara A. Grieshaber
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA.0007300 CO
Self-reported in NPPES; status is on the state search
Practice location
1030 Johnson RD Ste 200, Golden, CO 80401
Phone
(303) 278-4600
Enumerated
Apr 18, 2022
Record last updated
Apr 21, 2026
Fax
(303) 278-7263
Medicaid ID
9000205409 CO
Medicare enrollment
Enrolled (PECOS I20220519001136); accepts Medicare assignment
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 1030 Johnson RD Ste 200

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

  1. Nigel Barner, MDFamily Medicine Physician1770103657
  2. Ryan Muehling, MDFamily Medicine Physician1083274815
  3. Laura Walls, RD, PA-CPhysician Assistant1497192595
  4. Samantha ZarinsPhysician Assistant1255932661

Verify Tara A. Grieshaber 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.0007300
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% more Medicare Part D claims than the average physician assistant in 2024

1,488 Medicare Part D claims for 323 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Tara Grieshaber1,488
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium127 claims
  2. Levothyroxine Sodium100 claims
  3. Lisinopril87 claims
  4. Rosuvastatin Calcium74 claims
  5. Trazodone Hcl67 claims
  6. Losartan Potassium66 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.

Bills Medicare through one group practice

  1. Optumcare Colorado Medical Group LLCColorado Springs, CO

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

Tara A. Grieshaber among 3,767 physician assistant records in Colorado

Tara A. Grieshaber, PA is one of 3,767 physician assistant records with a practice address in Colorado. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 79% of them.

  • NPI issued2022 · 79% of these records are older, 16% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2021 · median 2017 among the 2,351 with a school on file
  • Record last updated2026 · 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 363A00000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

115 physician assistant records list a practice address in Golden

They are 115 of the 1,371 NPPES records with a practice address in Golden, and 3,767 physician assistant records in Colorado.

The 8 physician assistant records with the nearest ZIP codes

  1. Mariella Accame, PALakewood, CO 804011629007141
  2. Jessica Barber, PA CGolden, CO 804011043272024
  3. Melinda Belcher, PA-CGolden, CO 804011881668044
  4. Barry Bronk, PA-CGolden, CO 804011700848785
  5. Lynda Finley, PA-CGolden, CO 804011881656684
  6. Jill Fons, PA-CGolden, CO 804011588630107
  7. Sherry Fushimi, PA-CGolden, CO 804011235191214
  8. Brienne Klask, PA-CGolden, CO 804011134199821

Common questions

What is Tara A. Grieshaber, PA's NPI number?

Tara A. Grieshaber, PA's National Provider Identifier (NPI) is 1881337798, issued on Apr 18, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Tara A. Grieshaber, PA located?

The NPPES record lists a practice address at 1030 Johnson RD Ste 200, Golden, CO, 80401. Phone: (303) 278-4600. Providers update this record themselves, so call before visiting.

How can I verify Tara A. Grieshaber, PA's license?

NPPES lists Colorado license number PA.0007300, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.

How much does Tara A. Grieshaber, PA prescribe under Medicare Part D?

In 2024, Tara A. Grieshaber, PA had 1,488 Medicare Part D claims for 323 beneficiaries; the average among physician assistant prescribers was 830. 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.