DR. LAWRENCE MARTIN PORTER MD
NPI 1689603995
Internal Medicine in Maple Heights, OH
About Dr. Lawrence Martin Porter Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. LAWRENCE MARTIN PORTER MD (NPI 1689603995) is an individual internal medicine provider in Maple Heights, Ohio, licensed in Ohio (35.049239) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Lawrence Martin Porter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Lawrence Porter reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cleveland, OH 44106
- Reassigned Medicare billing, Ohio enrollment
- 3,958 clinicians in this Medicare group
Parma, OH 44129
- Reassigned Medicare billing, Ohio enrollment
- 237 clinicians in this Medicare group
Elyria, OH 44035
- Reassigned Medicare billing, Ohio enrollment
- 251 clinicians in this Medicare group
Ashtabula, OH 44004
- Reassigned Medicare billing, Ohio enrollment
- 272 clinicians in this Medicare group
Mansfield, OH 44903
- Reassigned Medicare billing, Ohio enrollment
- 125 clinicians in this Medicare group
Miami, FL 33169
- Reassigned Medicare billing, Ohio enrollment
- 41 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44137 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Lawrence Porter's NPI number?
The NPI number for Lawrence Porter is 1689603995. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is Lawrence Porter located?
Lawrence Porter practices at 5264 Lee Rd, Maple Heights, OH 44137. The listed phone number is (216) 294-4440.
What is Lawrence Porter's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lawrence Porter enrolled in Medicare?
Yes. Lawrence Porter is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lawrence Porter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Porter reassigns Medicare benefits to 6 organizations: University Hospitals Medical Group Inc (Cleveland, OH), Magis Emergency Medicine LLC (Parma, OH), Physicians Link Center LLC (Elyria, OH), Apogee Medical Group, Ohio, Inc. (Ashtabula, OH), Mid-Ohio Emergency Group, LLC (Mansfield, OH) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lawrence Porter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lawrence Porter accept?
Health plans from Anthem Blue Cross and Blue Shield list Lawrence Porter as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Lawrence Porter was last updated on August 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Lawrence Martin Porter, MD · NPI 1689603995
Internal Medicine physician in Maple Heights, Ohio. Individual provider, active in the CMS NPPES registry since June 30, 2006.
## Identity
- **NPI:** 1689603995 (Entity type: Individual)
- **Enumerated:** June 30, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 35.049239 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 5264 LEE RD, Maple Heights, OH 44137-1232
- **Phone:** (216) 294-4440 · **Fax:** (216) 249-6032
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): University Hospitals Medical Group Inc (NPI 1669499414, Cleveland, OH); Magis Emergency Medicine LLC (NPI 1801287511, Parma, OH); Physicians Link Center LLC (NPI 1235172925, Elyria, OH); Apogee Medical Group, Ohio, Inc. (NPI 1477500999, Ashtabula, OH); Mid-Ohio Emergency Group, LLC (NPI 1881164010, Mansfield, OH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 11, 2022
- **Other identifiers:** Medicaid 0631329 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1689603995) · Data from the CMS NPPES public registry.