David Walter, DO in Portland, ME - Medicare Psychiatry & Neurology

David Walter, DO is a medicare enrolled "Psychiatry & Neurology - Child & Adolescent Psychiatry" physician in Portland, Maine. His current practice location is 25 Middle Street, Portland, Maine. You can reach out to his office (for appointments etc.) via phone at (207) 321-8300.

David Walter is licensed to practice in Maine (license number DO1537) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1487868394.

Contact Information

	David Walter, DO
	25 Middle Street, Portland, ME 04101
	(207) 321-8300
	Not Available

Map and Direction

Physician's Profile

Full Name	David Walter
Gender	Male
Speciality	Psychiatry & Neurology - Child & Adolescent Psychiatry
Location	25 Middle Street, Portland, Maine
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1487868394
Provider Enumeration Date: 05/09/2007
Last Update Date: 10/08/2025

Medicare PECOS Information:

PECOS PAC ID: 1456425206
Enrollment ID: I20080729000083

Medical Identifiers

Medical identifiers for David Walter such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1487868394	NPI	-	NPPES
310050099	Medicaid	ME

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2084P0804X	Psychiatry & Neurology - Child & Adolescent Psychiatry	1537 (Maine)	Secondary
2084P0804X	Psychiatry & Neurology - Child & Adolescent Psychiatry	DO1537 (Maine)	Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. David Walter allows following entities to bill medicare on his behalf.

Entity Name	Sweetser
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1538122445 PECOS PAC ID: 8325946213 Enrollment ID: O20031230000339

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. David Walter is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
David Walter, DO 25 Middle Street, Portland, ME 04101 Ph: (207) 829-2966	David Walter, DO 25 Middle Street, Portland, ME 04101 Ph: (207) 321-8300

Reviews and Comments

Psychiatry & Neurology Doctors in Portland, ME

Dr. Robert Charles King, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 2 Portland Sq Ste 201, Portland, ME 04101 Phone: 207-607-4022 Fax: 207-613-5048
Dr. Barbara Jane Wood, M.D. Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 121 Middle St, Suite 404, Portland, ME 04101 Phone: 207-772-8634 Fax: 207-772-1629
Amy Wood, PSY D Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 57 Exchange St, Suite 403, Portland, ME 04101 Phone: 207-772-7542 Fax: 207-775-4454
Dr. Jeremy Ashley Spiegel, MD Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 63 Preble St, Portland, ME 04101 Phone: 207-822-0232
Dr. Nicolas Raphael Genovese, MD Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 22 Bramhall St, Portland, ME 04102 Phone: 207-662-0111
Robert Toscano, D.O. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 165 Lancaster St, Portland, ME 04101 Phone: 207-874-1030 Fax: 207-874-1044
Dr. Robert A Haines, M.D. Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 477 Congress St Ste 201, Portland, ME 04101 Phone: 207-773-7811 Fax: 207-773-0663

David Walter, DO - Medicare Psychiatry & Neurology in Portland, ME