Quick answers
- Where does Laurence H. Klein see patients?
- Medicare's clinician data lists 1 practice location in Springfield, MA. Call before your visit to confirm the address.
- What is Laurence H. Klein's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Laurence H. Klein accept Medicare assignment?
- Yes. Medicare's clinician data says Laurence H. Klein 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 Laurence H. Klein?
- (337) 408-0805, as listed in official Medicare / NPI Registry data.
- What is Laurence H. Klein's NPI number?
- 1285621144. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Laurence H. Klein is enrolled with Medicare (CMS data updated 2026-10-02).
- 819 Worcester St, Suite 1Springfield, MA 01151 (337) 408‑0805
Group practices
Medicare enrollment lists Laurence H. Klein as a member of this group (CMS data updated 2026-10-02).
- CH Specialty Services Ma PC88 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, MA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285621144 |
| 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
- 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