DR. WILLIAM A. BRENNAN JR. MD
NPI 1700861028
Psychiatry & Neurology - Psychiatry in Westbrook, ME

Q: What is William Brennan's NPI number?

The NPI number for William Brennan is 1700861028. It was assigned to this individual provider in the NPPES registry on December 9, 2005.

Q: What is William Brennan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for William Brennan was last updated on October 14, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.

Active since December 09, 2005PECOS Enrolled

98.06/100

CMS Quality Rating

123 ANDOVER RD, WESTBROOK, ME 04092(207) 761-2200(207) 761-2108 Get Directions Write a Review

NPPES record last updated: October 14, 2016. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Dr. William A. Brennan Jr. Md NPPES

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

DR. WILLIAM A. BRENNAN JR. MD (NPI 1700861028) is an individual psychiatry provider in Westbrook, Maine, licensed in Maine (MD15334) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700861028

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. WILLIAM A. BRENNAN JR.Credential: MD

Location Address123 ANDOVER RDWestbrook, ME 04092-3848

Mailing Address15 Newell Ridge RdCumberland, ME 04021-3915 · (207) 829-2054

Phone(207) 761-2200

Fax(207) 761-2108

Sole ProprietorNo

Enumeration DateDecember 9, 2005

Last NPPES UpdateOctober 14, 2016

✔ NPI 1700861028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in ME · MD15334

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

123 ANDOVER RD, Westbrook, ME 04092

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Other Identifiers 2

Medicare UPINH08954ME

Medicare PINEX9823ME

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William A. Brennan Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

114 services27 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04092 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

$169.96 typical visit price

range $56.28 – $169.96

Typical copayment $42.49 (range $14.07 – $42.49)

Most-billed visit code 99205

Established Patient

$70.13 typical visit price

range $18.22 – $138.92

Typical copayment $17.53 (range $4.55 – $34.73)

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.

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.

98.06/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

86.13

Promoting Interoperability

100

Improvement Activities

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.

LOIS A GROCKI PSY D

Psychologist