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DR. WILLIAM F ZIMMERMAN MD
NPI 1265795249
Orthopaedic Surgery - Hand Surgery in Auburn, ME

Active since June 24, 2012PECOS EnrolledAccepts Medicare Assignment
690 MINOT AVE, AUBURN, ME 04210(207) 783-1328 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 6, 2025, Dec 11, 2019 (2 updates tracked since 2019).

About Dr. William F Zimmerman Md NPPES

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

DR. WILLIAM F ZIMMERMAN MD (NPI 1265795249) is an individual hand surgery provider in Auburn, Maine, licensed in Maine (MD24784) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, is affiliated with Central Maine Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (2012).

NPPES Registry Identity

NPI1265795249
Entity TypeIndividualMale
Primary Taxonomy207XS0106X
Provider Legal NameDR. WILLIAM F ZIMMERMANCredential: MD
Location Address690 MINOT AVEAuburn, ME 04210-3922
Mailing Address300 Main StLewiston, ME 04240-7041 · (207) 795-0111
Phone(207) 783-1328
Sole ProprietorYes
Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2012
Enumeration DateJune 24, 2012
Last NPPES UpdateNovember 6, 20252 updates tracked since enumeration
NPPES CertifiedNovember 6, 2025
✔ NPI 1265795249 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Hand SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207XS0106X
License✔ Licensed in ME · MD24784
Definition
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
690 MINOT AVE, Auburn, ME 04210
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Taro Health.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

Dr. William F Zimmerman Md 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 ID2264704634
PECOS Enrollment IDI20210616002182
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 Reassignments

4

Medicare enrollment records show William Zimmerman reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Central Maine Medical Center
2.5 mi
General Acute Care Hospital
300 MAIN ST
Lewiston, ME 04240
  • Reassigned Medicare billing, Maine enrollment
  • 920 clinicians in this Medicare group
NPI 1689653487 (207) 795-5646
Bridgton Hospital
23 mi
Critical Access
10 HOSPITAL DR
Bridgton, ME 04009
  • Reassigned Medicare billing, Maine enrollment
  • 563 clinicians in this Medicare group
NPI 1154370153 (207) 795-5709
Rumford Hospital
36 mi
Critical Access
420 FRANKLIN ST
Rumford, ME 04276
  • Reassigned Medicare billing, Maine enrollment
  • 544 clinicians in this Medicare group
NPI 1205991122 (207) 369-1000
Central Virginia Orthopaedics & Sports Medicine
548 mi
Orthopaedic Surgery
501 PARK HILL DR
Fredericksburg, VA 22401
  • Reassigned Medicare billing, Virginia enrollment
  • 15 clinicians in this Medicare group
NPI 1437194289 (540) 372-6737

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 10

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
128 services97 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
52 services52 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
50 services41 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
33 services29 patients
X-ray of wrist, minimum of 3 views 73110
An X-ray of the wrist, minimum of 3 views, is a diagnostic procedure that uses radiation to create images of your wrist from different angles. This helps detect fractures, infections, or other abnormalities for accurate diagnosis and treatment planning.
25 services13 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
24 services21 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Central Maine Medical Center

Acute Care Hospitals · Lewiston, ME
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200024
Location300 Main StreetLewiston, ME 04240 · Androscoggin County
Emergency services Birthing friendly

Bridgton Hospital

Critical Access Hospitals · Bridgton, ME
OwnershipVoluntary non-profit - Private
CMS Certification Number201310
Location10 Hospital DriveBridgton, ME 04009 · Cumberland County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04210 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.58 typical visit price
range $53.26 – $162.77
Typical copayment $20.64 (range $13.31 – $40.69)
Most-billed visit code 99203
Established Patient
$66.74 typical visit price
range $16.90 – $132.79
Typical copayment $16.68 (range $4.22 – $33.19)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

BRITTNEY MASSEY-LABBE
Physician Assistant
690 MINOT AVE
AUBURN, ME 04210
Androscoggin County (207) 783-1328
SAAD MOHAMMAD DO
Orthopaedic Surgery
690 MINOT AVE
AUBURN, ME 04210
Androscoggin County (207) 783-1328
DR. MATTHEW MURRAY MCLAUGHLIN MD
Physical Medicine & Rehabilitation
690 MINOT AVE, SUITE 1
AUBURN, ME 04210
Androscoggin County (207) 783-1328
LAURA ANN ROACH P.T.
Physical Therapist
690 MINOT AVE
AUBURN, ME 04210
Androscoggin County (207) 783-3450
MR. CHRISTOPHER PATRICK O'TOOLE ATC, LAT
Specialist/Technologist (Athletic Trainer)
690 MINOT AVE
AUBURN, ME 04210
Androscoggin County (207) 783-3450
JILL BEAUCAGE P.T.
Physical Therapist
690 MINOT AVE, SUITE TWO
AUBURN, ME 04210
Androscoggin County (207) 783-3450
CENTRAL MAINE ORTHOPAEDICS, P.A.
Orthopaedic Surgery
690 MINOT AVE, SUITE ONE
AUBURN, ME 04210
Androscoggin County (207) 783-1328
DR. IVY C MUSSOMELI DPT
Physical Therapist
690 MINOT AVE
AUBURN, ME 04210
Androscoggin County (207) 783-3450

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 William Zimmerman's NPI number?

The NPI number for William Zimmerman is 1265795249. It was assigned to this individual provider in the NPPES registry on June 24, 2012.

Where is William Zimmerman located?

William Zimmerman practices at 690 Minot Ave, Auburn, ME 04210. The listed phone number is (207) 783-1328.

What is William Zimmerman's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Hand Surgery, with taxonomy code 207XS0106X.

Is William Zimmerman enrolled in Medicare?

Yes. William Zimmerman 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 William Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Zimmerman reassigns Medicare benefits to 4 organizations: Central Maine Medical Center (Lewiston, ME), Bridgton Hospital (Bridgton, ME), Rumford Hospital (Rumford, ME) and Central Virginia Orthopaedics & Sports Medicine (Fredericksburg, VA). 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 William Zimmerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Zimmerman accept?

Health plans from Taro Health list William Zimmerman 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 William Zimmerman affiliated with any hospitals?

According to CMS data, William Zimmerman is affiliated with Central Maine Medical Center and Bridgton Hospital.

When was this NPI record last updated?

The NPPES record for William Zimmerman was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.