CLAUDIA GEYER
NPI 1689653230
Internal Medicine in Lewiston, ME
About Claudia Geyer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CLAUDIA GEYER (NPI 1689653230) is an individual internal medicine provider in Lewiston, Maine, licensed in Maine (014976) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and is a graduate of University Of Pittsburgh School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
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
Claudia Geyer 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 Reassignments
6Medicare enrollment records show Claudia Geyer reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lewiston, ME 04240
- Reassigned Medicare billing, Maine enrollment
- 920 clinicians in this Medicare group
Bridgton, ME 04009
- Reassigned Medicare billing, Maine enrollment
- 291 clinicians in this Medicare group
Falmouth, ME 04105
- Reassigned Medicare billing, Maine enrollment
- 26 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 28 clinicians in this Medicare group
Rumford, ME 04276
- Reassigned Medicare billing, Maine enrollment
- 544 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Central Maine Medical Center
Acute Care Hospitals · Lewiston, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 04240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
LEWISTON, ME 04240
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 Claudia Geyer's NPI number?
The NPI number for Claudia Geyer is 1689653230. It was assigned to this individual provider in the NPPES registry on January 12, 2006.
Where is Claudia Geyer located?
Claudia Geyer practices at 300 Main St, Lewiston, ME 04240. The listed phone number is (207) 795-5709.
What is Claudia Geyer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Claudia Geyer enrolled in Medicare?
Yes. Claudia Geyer 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 organizations bill Medicare for Claudia Geyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Claudia Geyer reassigns Medicare benefits to 6 organizations: Central Maine Medical Center (Lewiston, ME), Bridgton Hospital (Bridgton, ME), Pai Participant 7 PC (Falmouth, ME), Mainegeneral Medical Center (Augusta, ME), Maine Medical Consultants PC (Portland, ME) 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 Claudia Geyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Claudia Geyer accept?
Health plans from Anthem Blue Cross and Blue Shield, Taro Health and WellSense Health Plan list Claudia Geyer 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.
Is Claudia Geyer affiliated with any hospitals?
According to CMS data, Claudia Geyer is affiliated with Central Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Claudia Geyer was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.
# Claudia Geyer · NPI 1689653230
Internal Medicine physician in Lewiston, Maine. Individual provider, active in the CMS NPPES registry since January 12, 2006.
## Identity
- **NPI:** 1689653230 (Entity type: Individual)
- **Enumerated:** January 12, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 014976 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 MAIN ST, Lewiston, ME 04240-7007
- **Phone:** (207) 795-5709
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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): Central Maine Medical Center (NPI 1689653487, Lewiston, ME); Bridgton Hospital (NPI 1154370153, Bridgton, ME); Pai Participant 7 PC (NPI 1548829872, Falmouth, ME); Mainegeneral Medical Center (NPI 1083949184, Augusta, ME); Maine Medical Consultants PC (NPI 1619519873, Portland, ME); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Pittsburgh School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** July 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689653230) · Data from the CMS NPPES public registry.