WILLIAM LANE SWARTZ M.D.
NPI 1184882060
Anesthesiology in Portland, ME
About William Lane Swartz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM LANE SWARTZ M.D. (NPI 1184882060) is an individual anesthesiology provider in Portland, Maine, licensed in Maine (MD19669) and active in the NPI registry since May 2008. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of University Of Vermont College Of Medicine (2008).
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
William Lane Swartz 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
3Medicare enrollment records show William Swartz reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 3,140 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- Medicare enrollment name: Spectrum Healthcare Partners PA
- 148 clinicians in this Medicare group
Portland, ME 04102
- Reassigned Medicare billing, Maine enrollment
- 264 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 2
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.
Maine Medical Center
Acute Care Hospitals · Portland, MEMedicare 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.
PORTLAND, ME 04102
PORTLAND, ME 04102
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 Swartz's NPI number?
The NPI number for William Swartz is 1184882060. It was assigned to this individual provider in the NPPES registry on May 28, 2008.
Where is William Swartz located?
William Swartz practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-2526.
What is William Swartz's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Swartz enrolled in Medicare?
Yes. William Swartz 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 Swartz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Swartz reassigns Medicare benefits to 3 organizations: Mainehealth (Portland, ME), Spectrum Healthcare Partners, P.A. (Portland, ME) and Maine Medical Partners (Portland, ME). 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 Swartz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Swartz accept?
Health plans from Taro Health list William Swartz 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 Swartz affiliated with any hospitals?
According to CMS data, William Swartz is affiliated with Maine Medical Center.
When was this NPI record last updated?
The NPPES record for William Swartz was last updated on November 17, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# William Lane Swartz, M.D. · NPI 1184882060
Anesthesiology physician in Portland, Maine. Individual provider, active in the CMS NPPES registry since May 28, 2008.
## Identity
- **NPI:** 1184882060 (Entity type: Individual)
- **Enumerated:** May 28, 2008
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD19669 (Maine)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 BRAMHALL ST, Portland, ME 04102-3134
- **Phone:** (207) 662-2526
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mainehealth (NPI 1073701157, Portland, ME); Spectrum Healthcare Partners, P.A. (NPI 1245252212, Portland, ME); Maine Medical Partners (NPI 1285738310, Portland, ME) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Vermont College Of Medicine, class of 2008
## Record status
- **NPPES last updated:** November 17, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1184882060) · Data from the CMS NPPES public registry.