Gregg Singer, MD
NPI 1053330514 · Physical Medicine & Rehabilitation Physician · Billings, MT
Gregg Singer, MD is a Physical Medicine & Rehabilitation Physician provider in Billings, MT (NPI 1053330514).
Provider details
- NPI number
- 1053330514
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 6904 (MT)
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
19 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
- 2006-07-18
- Last updated
- 2009-11-13
Frequently asked questions
- What is Gregg Singer's NPI number?
- Gregg Singer's National Provider Identifier (NPI) is 1053330514, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Singer's specialty?
- Gregg Singer is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Singer located?
- Gregg Singer's practice location on file with NPPES is 1643 Lewis Ave, Billings, MT 59102-4151.
- What is Gregg Singer's phone number?
- The practice phone number listed in the NPPES registry for Gregg Singer is (406) 655-0980.
- Is Gregg Singer's NPI active?
- Yes — Gregg Singer's NPI (1053330514) is active in the NPPES registry as of the last update on 2009-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.