1. Home
  2. Directory
  3. New York
  4. Elmira
  5. Social Worker
  6. NPI Profile

COLLEEN LARRISON
NPI 1255504841
Social Worker in Elmira, NY

Active since April 04, 2008PECOS EnrolledAccepts Medicare Assignment
1019 E WATER ST, ELMIRA, NY 14901(607) 733-5696 Get Directions Write a Review

NPPES record last updated: April 4, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Colleen Larrison NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

COLLEEN LARRISON (NPI 1255504841) is an individual social worker in Elmira, New York, licensed in New York (00073107) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2005).

NPPES Registry Identity

NPI1255504841
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameCOLLEEN LARRISON
Location Address1019 E WATER STElmira, NY 14901-3332
Mailing Address1019 E Water StElmira, NY 14901-3332
Phone(607) 733-5696
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateApril 4, 2008
✔ NPI 1255504841 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in NY · 00073107
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
1019 E WATER ST, Elmira, NY 14901
Open in Google Maps ↗

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

Colleen Larrison 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.

PECOS PAC ID6709009673
PECOS Enrollment IDI20140521001793
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Colleen Larrison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Professional Medical Concierge Services, PLLC
166 mi
Family Medicine
37 FRIAR TUCK WAY
Saratoga Springs, NY 12866
  • Reassigned Medicare billing, New York enrollment
  • 127 clinicians in this Medicare group
NPI 1841812310 (518) 238-6028

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.

KATHLEEN FRICKEL
Registered Nurse
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
VICTORIA LYNN FORD
Counselor
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
PATRICIA K. PLAISTED
Social Worker
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
MRS. BRENDA DEE ROBERSON LMSW
Social Worker
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 737-2490
BARBARA STAGER
Social Worker
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
ELIZABETH MARIE LAMBERT LMSW
Social Worker
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
GEETHA X LOUISNATHAN MSW
Counselor (Mental Health)
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696
RAYNEE HODGE MFT
Marriage & Family Therapist
1019 E WATER ST
ELMIRA, NY 14901
Chemung County (607) 733-5696

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 Colleen Larrison's NPI number?

The NPI number for Colleen Larrison is 1255504841. It was assigned to this individual provider in the NPPES registry on April 4, 2008.

Where is Colleen Larrison located?

Colleen Larrison practices at 1019 E Water St, Elmira, NY 14901. The listed phone number is (607) 733-5696.

What is Colleen Larrison's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Colleen Larrison enrolled in Medicare?

Yes. Colleen Larrison 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 Colleen Larrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Larrison reassigns Medicare benefits to Professional Medical Concierge Services, PLLC (Saratoga Springs, NY). 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 Colleen Larrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Colleen Larrison was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.