CATHERINE L MUELLER M.D.
NPI 1033596762
Internal Medicine in Lebanon, NH
About Catherine L Mueller M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CATHERINE L MUELLER M.D. (NPI 1033596762) is an individual internal medicine provider in Lebanon, New Hampshire, licensed in New Hampshire (20028) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Biddeford.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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 and accepts Medicare assignment
Catherine L Mueller M.d. 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 Catherine Mueller reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03766
- Reassigned Medicare billing, New Hampshire enrollment
- 283 clinicians in this Medicare group
New London, NH 03257
- Reassigned Medicare billing, New Hampshire enrollment
- Also billed through NPI 1831200583 (New Hampshire)
- 141 clinicians in this Medicare group
Norway, ME 04268
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Biddeford, ME 04005
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Southern Maine Health Care
- 253 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 4
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Maine Medical Center
Acute Care Hospitals · Portland, MEMary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHNew London Hospital
Critical Access Hospitals · New London, NHAlice Peck Day Memorial Hospital
Critical Access Hospitals · Lebanon, NHMt Ascutney Hospital
Critical Access Hospitals · Windsor, VTPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03756 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.
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
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 Catherine Mueller's NPI number?
The NPI number for Catherine Mueller is 1033596762. It was assigned to this individual provider in the NPPES registry on May 1, 2015.
Where is Catherine Mueller located?
Catherine Mueller practices at 1 Medical Center Dr Dhmc Department Of Internal Medicine, Lebanon, NH 03756. The listed phone number is (603) 650-5000.
What is Catherine Mueller's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Catherine Mueller enrolled in Medicare?
Yes. Catherine Mueller 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 Catherine Mueller's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Mueller reassigns Medicare benefits to 6 organizations: Mary Hitchcock Memorial Hospital (Lebanon, NH), Dartmouth-Hitchcock Clinic (Lebanon, NH), Alice Peck Day Memorial Hospital (Lebanon, NH), The New London Hospital Association, Inc. (New London, NH), Mainehealth (Norway, 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 Catherine Mueller's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Catherine Mueller accept?
Health plans from Anthem Blue Cross and Blue Shield list Catherine Mueller 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 Catherine Mueller affiliated with any hospitals?
According to CMS data, Catherine Mueller is affiliated with Maine Medical Center, Mary Hitchcock Memorial Hospital, New London Hospital, Alice Peck Day Memorial Hospital and Mt Ascutney Hospital.
When was this NPI record last updated?
The NPPES record for Catherine Mueller was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Catherine L Mueller, M.D. · NPI 1033596762
Internal Medicine physician in Lebanon, New Hampshire. Individual provider, active in the CMS NPPES registry since May 1, 2015.
## Identity
- **NPI:** 1033596762 (Entity type: Individual)
- **Enumerated:** May 1, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20028 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 MEDICAL CENTER DR, DHMC DEPARTMENT OF INTERNAL MEDICINE, Lebanon, NH 03756-1000
- **Phone:** (603) 650-5000 · **Fax:** (603) 640-1228
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Mary Hitchcock Memorial Hospital (NPI 1629788237, Lebanon, NH); Dartmouth-Hitchcock Clinic (NPI 1548210198, Lebanon, NH); Alice Peck Day Memorial Hospital (NPI 1942002274, Lebanon, NH); The New London Hospital Association, Inc. (NPI 1639610611, New London, NH); Mainehealth (NPI 1447730247, Norway, ME); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 2015
## Record status
- **NPPES last updated:** December 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1033596762) · Data from the CMS NPPES public registry.