River Branch Emergency Physicians LLC
NPI 1275964199 · Emergency Medicine Physician · Williamsport, PA
River Branch Emergency Physicians LLC is a Emergency Medicine Physician organization in Williamsport, PA (NPI 1275964199).
Provider details
- NPI number
- 1275964199
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Thom Mayer, President(469) 401-2386
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Nurse Practitioner363L00000X
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2013-12-02
- Last updated
- 2013-12-13
Frequently asked questions
- What is River Branch Emergency Physicians LLC's NPI number?
- River Branch Emergency Physicians LLC's National Provider Identifier (NPI) is 1275964199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is River Branch Emergency Physicians LLC?
- River Branch Emergency Physicians LLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is River Branch Emergency Physicians LLC located?
- River Branch Emergency Physicians LLC's practice location on file with NPPES is 700 High St, Williamsport, PA 17701-3100.
- What is River Branch Emergency Physicians LLC's phone number?
- The practice phone number listed in the NPPES registry for River Branch Emergency Physicians LLC is (570) 321-1000.
- Who is the authorized official for River Branch Emergency Physicians LLC?
- The authorized official listed on River Branch Emergency Physicians LLC's NPPES record is Thom Mayer, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is River Branch Emergency Physicians LLC's NPI active?
- Yes — River Branch Emergency Physicians LLC's NPI (1275964199) is active in the NPPES registry as of the last update on 2013-12-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.