Nathan Greiner
NPI 1942802988 · Physical Medicine & Rehabilitation Physician · Lakeland, FL
Nathan Greiner is a Physical Medicine & Rehabilitation Physician provider in Lakeland, FL (NPI 1942802988).
Provider details
- NPI number
- 1942802988
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- PTA30156 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2020-11-13
- Last updated
- 2020-11-13
- Certified
- 2020-11-13
Frequently asked questions
- What is Nathan Greiner's NPI number?
- Nathan Greiner's National Provider Identifier (NPI) is 1942802988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Greiner's specialty?
- Nathan Greiner is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Greiner located?
- Nathan Greiner's practice location on file with NPPES is 610 E Bella Vista St, Lakeland, FL 33805-3008.
- What is Nathan Greiner's phone number?
- The practice phone number listed in the NPPES registry for Nathan Greiner is (863) 688-8591.
- Is Nathan Greiner's NPI active?
- Yes — Nathan Greiner's NPI (1942802988) is active in the NPPES registry as of the last update on 2020-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.