Medical Observation Services, PLLC
NPI 1346503158 · Emergency Medicine Physician · Lansing, MI
Medical Observation Services, PLLC is a Emergency Medicine Physician organization in Lansing, MI (NPI 1346503158).
Provider details
- NPI number
- 1346503158
- Entity type
- Organization
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Gregory Walker, President(517) 337-0957
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
14 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
- 2012-06-18
- Last updated
- 2012-06-18
Frequently asked questions
- What is Medical Observation Services, PLLC's NPI number?
- Medical Observation Services, PLLC's National Provider Identifier (NPI) is 1346503158, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Medical Observation Services, PLLC?
- Medical Observation Services, PLLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Medical Observation Services, PLLC located?
- Medical Observation Services, PLLC's practice location on file with NPPES is 1215 E Michigan Ave, Lansing, MI 48912-1811.
- What is Medical Observation Services, PLLC's phone number?
- The practice phone number listed in the NPPES registry for Medical Observation Services, PLLC is (517) 337-0957.
- Who is the authorized official for Medical Observation Services, PLLC?
- The authorized official listed on Medical Observation Services, PLLC's NPPES record is Gregory Walker, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Medical Observation Services, PLLC's NPI active?
- Yes — Medical Observation Services, PLLC's NPI (1346503158) is active in the NPPES registry as of the last update on 2012-06-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.