Tara Grieshaber, PA
NPI 1881337798 · Physician Assistant · Golden, CO
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tara Grieshaber, PA is a Physician Assistant provider in Golden, CO (NPI 1881337798).
Provider details
- NPI number
- 1881337798
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
- License
- PA.0007300 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
58 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 27 | $106 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 18 | $111 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 13 | $78 |
Typical Medicare-allowed amounts for these services range $78–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 127 | 52 |
| Levothyroxine Sodium | 100 | 47 |
| Lisinopril | 87 | 34 |
| Rosuvastatin Calcium | 74 | 34 |
| Trazodone Hcl | 67 | 24 |
| Losartan Potassium | 66 | 24 |
| Amlodipine Besylate |
Practice location
Mailing address
Additional practice locations (1)
- 32135 Castle Ct Ste 101Evergreen, CO 80439-8006Phone: (303) 679-8500Fax: (303) 679-8505
Registry dates
- Enumerated
- 2022-04-18
- Last updated
- 2026-04-21
- Certified
- 2026-04-21
Frequently asked questions
- What is Tara Grieshaber's NPI number?
- Tara Grieshaber's National Provider Identifier (NPI) is 1881337798, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tara Grieshaber's specialty?
- Tara Grieshaber is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tara Grieshaber located?
- Tara Grieshaber's practice location on file with NPPES is 1030 Johnson Rd Ste 200, Golden, CO 80401-6007.
- What is Tara Grieshaber's phone number?
- The practice phone number listed in the NPPES registry for Tara Grieshaber is (303) 278-4600.
- Does Tara Grieshaber accept Medicare?
- Tara Grieshaber is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tara Grieshaber's NPI active?
- Yes — Tara Grieshaber's NPI (1881337798) is active in the NPPES registry as of the last update on 2026-04-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.