Michael Greiner, PHARMD
NPI 1639724222 · Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Arvada, CO
Michael Greiner, PHARMD is a Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist provider in Arvada, CO (NPI 1639724222).
Provider details
- NPI number
- 1639724222
- Entity type
- Individual
- Primary specialty
- Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- No
- License
- PHA.0022807 (CO)
Specialties & taxonomies
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-08-09
- Last updated
- 2026-05-05
- Certified
- 2026-05-05
Frequently asked questions
- What is Michael Greiner's NPI number?
- Michael Greiner's National Provider Identifier (NPI) is 1639724222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Greiner's specialty?
- Michael Greiner is listed in the NPPES registry with a primary specialty of Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist (Pharmacy Service Providers).
- Where is Michael Greiner located?
- Michael Greiner's practice location on file with NPPES is 8055 Sheridan Blvd, Arvada, CO 80003-1910.
- What is Michael Greiner's phone number?
- The practice phone number listed in the NPPES registry for Michael Greiner is (303) 487-5325.
- Is Michael Greiner's NPI active?
- Yes — Michael Greiner's NPI (1639724222) is active in the NPPES registry as of the last update on 2026-05-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.