Jon Tammen, PHARMD
NPI 1821683939 · Geriatric Pharmacist · Greenfield, IN
Jon Tammen, PHARMD is a Geriatric Pharmacist provider in Greenfield, IN (NPI 1821683939).
Provider details
- NPI number
- 1821683939
- Entity type
- Individual
- Primary specialty
- Geriatric PharmacistPharmacy Service Providers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 051037860 (IL)
Specialties & taxonomies
Pharmacy Service Providers
Pharmacy Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
- 2021-03-02
- Last updated
- 2021-03-02
- Certified
- 2021-03-02
Frequently asked questions
- What is Jon Tammen's NPI number?
- Jon Tammen's National Provider Identifier (NPI) is 1821683939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Tammen's specialty?
- Jon Tammen is listed in the NPPES registry with a primary specialty of Geriatric Pharmacist (Pharmacy Service Providers).
- Where is Jon Tammen located?
- Jon Tammen's practice location on file with NPPES is 1115 N 300 W, Greenfield, IN 46140-8488.
- What is Jon Tammen's phone number?
- The practice phone number listed in the NPPES registry for Jon Tammen is (317) 498-0286.
- Is Jon Tammen's NPI active?
- Yes — Jon Tammen's NPI (1821683939) is active in the NPPES registry as of the last update on 2021-03-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.