MR. MARK R. HAMMOND M.A., CCC-SLP
NPI 1356456248
Speech-Language Pathologist in Portland, ME
About Mr. Mark R. Hammond M.a., Ccc-slp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK R. HAMMOND M.A., CCC-SLP (NPI 1356456248) is an individual speech-language pathologist provider in Portland, Maine, licensed in Maine (SP131) and active in the NPI registry since August 2006. He is a graduate of Other (1976).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Mark R. Hammond M.a., Ccc-slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Hammond reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, ME 04103
- Reassigned Medicare billing, Maine enrollment
- 10 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, ME 04103
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 Mark Hammond's NPI number?
The NPI number for Mark Hammond is 1356456248. It was assigned to this individual provider in the NPPES registry on August 20, 2006.
Where is Mark Hammond located?
Mark Hammond practices at 222 Auburn St Suite 1G, Portland, ME 04103. The listed phone number is (207) 797-8255.
What is Mark Hammond's specialty?
The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.
Is Mark Hammond enrolled in Medicare?
Yes. Mark Hammond is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Hammond's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hammond reassigns Medicare benefits to Hammond Associates Inc (Portland, ME). The 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 Mark Hammond's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Hammond accept?
Health plans from Taro Health list Mark Hammond 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 Mark Hammond was last updated on October 7, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Mr. Mark R. Hammond, M.A., CCC-SLP · NPI 1356456248
Speech-Language Pathologist provider in Portland, Maine. Individual provider, active in the CMS NPPES registry since August 20, 2006.
## Identity
- **NPI:** 1356456248 (Entity type: Individual)
- **Enumerated:** August 20, 2006
- **Primary specialty:** Speech-Language Pathologist · taxonomy 235Z00000X
- **State license:** SP131 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 AUBURN ST, SUITE 1G, Portland, ME 04103-6004
- **Phone:** (207) 797-8255 · **Fax:** (200) 779-7556
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** Hammond Associates Inc (NPI 1457387904, Portland, ME), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1976
## Record status
- **NPPES last updated:** October 7, 2009
- **Other identifiers:** Medicaid 130820099 (ME); Other AA28449 (ME); Other 018316 (ME); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1356456248) · Data from the CMS NPPES public registry.