Dr Frederick Joseph Nachtwey, MD in Walnut Creek, CA

Dr Frederick Joseph Nachtwey, MD is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Walnut Creek, California. He went to Washington University School Of Medicine and graduated in 1974 and has 51 years of diverse experience with area of expertise as Pulmonary Disease. He is a member of the group practice Bass Medical Group and his current practice location is 2637 Shadelands Dr, Walnut Creek, California. You can reach out to his office (for appointments etc.) via phone at (925) 944-0166.

Dr Frederick Joseph Nachtwey is licensed to practice in California (license number G35274) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1710901822.

Contact Information

	Dr Frederick Joseph Nachtwey, MD
	2637 Shadelands Dr, Walnut Creek, CA 94598-2512
	(925) 944-0166
	Not Available

Map and Direction

Physician's Profile

Full Name	Dr Frederick Joseph Nachtwey
Gender	Male
Speciality	Pulmonary Disease
Experience	51 Years
Location	2637 Shadelands Dr, Walnut Creek, California
Accepts Medicare Assignments	Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Dr Frederick Joseph Nachtwey attended and graduated from Washington University School Of Medicine in 1974

NPI Data:

NPI Number: 1710901822
Provider Enumeration Date: 07/26/2006
Last Update Date: 03/03/2025

Medicare PECOS Information:

PECOS PAC ID: 3678536174
Enrollment ID: I20090112000757

Medical Identifiers

Medical identifiers for Dr Frederick Joseph Nachtwey such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1710901822	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207RS0012X	Internal Medicine - Sleep Medicine	G35274 (California)	Secondary
207RP1001X	Internal Medicine - Pulmonary Disease	G35274 (California)	Primary

Medical Facilities Affiliation

Facility Name	Location	Facility Type
Contra Costa Regional Medical Center	Martinez, CA	Hospital
John Muir Medical Center - Walnut Creek Campus	Walnut creek, CA	Hospital

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Bass Medical Group	9032111281	279

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. Dr Frederick Joseph Nachtwey allows following entities to bill medicare on his behalf.

Entity Name	John Muir Physician Network
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1841407665 PECOS PAC ID: 6608789813 Enrollment ID: O20031226000143

Entity Name	John Muir Trauma Physicians Billing Service
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1093864837 PECOS PAC ID: 3476542515 Enrollment ID: O20050420001452

Entity Name	Bass Medical Group
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1174253405 PECOS PAC ID: 9032111281 Enrollment ID: O20070201000181

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. Dr Frederick Joseph Nachtwey 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
Dr Frederick Joseph Nachtwey, MD 2637 Shadelands Dr, Walnut Creek, CA 94598-2512 Ph: (925) 944-0166	Dr Frederick Joseph Nachtwey, MD 2637 Shadelands Dr, Walnut Creek, CA 94598-2512 Ph: (925) 944-0166

Reviews and Comments

Internal Medicine Doctors in Walnut Creek, CA

Dr. Joseph Patrick Henry, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 2645 Snyder Ct, Walnut Creek, CA 94598 Phone: 510-409-6511 Fax: 719-941-8247
Mr. Ramin Khashayar, MD Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, CA 94598 Phone: 925-939-3050 Fax: 925-939-3057
Dr. Hennessey Tseng, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1450 Treat Blvd, Suite 220b, Walnut Creek, CA 94597 Phone: 925-937-1770 Fax: 925-937-0630
Dr. Ali-reza Barmaki, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 1220 Rossmoor Pkwy, Walnut Creek, CA 94595 Phone: 925-947-3393 Fax: 925-947-3396
Dr. Cynthia M. Mullen, M.D. Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598 Phone: 925-322-2372 Fax: 925-322-6720
Mr. David Nathanson, Pulmonary Disease Medicare: Accepting Medicare Assignments Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-906-2000
Mark D Nathan, MD Pulmonary Disease Medicare: Not Enrolled in Medicare Practice Location: 106 La Casa Via, #140, Walnut Creek, CA 94598 Phone: 925-274-2860 Fax: 925-932-4527

Dr Frederick Joseph Nachtwey, MD - Medicare Pulmonary Disease in Walnut Creek, CA