Quick answers
- Which hospitals does Lawrence K. Harrington work at?
- Medicare's official clinician data lists Lawrence K. Harrington at 1 hospital: P H S Indian Hospital Crow / Northern Cheyenne. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Lawrence K. Harrington see patients?
- Medicare's clinician data lists 1 practice location in Crow Agency, MT. Call before your visit to confirm the address.
- What is Lawrence K. Harrington's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Lawrence K. Harrington accept Medicare assignment?
- Yes. Medicare's clinician data says Lawrence K. Harrington accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Lawrence K. Harrington?
- (406) 638-4616, as listed in official Medicare / NPI Registry data.
- What is Lawrence K. Harrington's NPI number?
- 1689662454. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Lawrence K. Harrington works
Medicare's Facility Affiliation Data lists Lawrence K. Harrington at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- P H S Indian Hospital Crow / Northern CheyenneCrow Agency, MT · Critical Access Hospital · CCN 271339
Practice locations
Addresses where Lawrence K. Harrington is enrolled with Medicare (CMS data updated 2026-10-02).
- 10110 S 7650Crow Agency, MT 59022 (406) 638‑4616
Group practices
Medicare enrollment lists Lawrence K. Harrington as a member of this group (CMS data updated 2026-10-02).
- US Health Dept of Health and Human Services94 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | University Of Missouri St Louis - School Of Optometry |
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689662454 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians