Bryan Dieffenbach, MD in San Diego, CA

Bryan Dieffenbach, MD is a medicare enrolled "Surgery - Vascular Surgery" physician in San Diego, California. His current practice location is 550 Washington St Ste 641, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (619) 299-2600.

Bryan Dieffenbach is licensed to practice in California (license number A188066) 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 1326466137.

Contact Information

	Bryan Dieffenbach, MD
	550 Washington St Ste 641, San Diego, CA 92103-2229
	(619) 299-2600
	(619) 299-3923

Map and Direction

Physician's Profile

Full Name	Bryan Dieffenbach
Gender	Male
Speciality	Surgery - Vascular Surgery
Location	550 Washington St Ste 641, San Diego, California
Accepts Medicare Assignments	Medicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.

NPI Data:

NPI Number: 1326466137
Provider Enumeration Date: 03/31/2014
Last Update Date: 05/14/2025

Medicare PECOS Information:

PECOS PAC ID: 2961866272
Enrollment ID: I20230919002984

Medical Identifiers

Medical identifiers for Bryan Dieffenbach such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1326466137	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2086S0129X	Surgery - Vascular Surgery	A188066 (California)	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. Bryan Dieffenbach allows following entities to bill medicare on his behalf.

Entity Name	Regents Of The University Of California
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1740382993 PECOS PAC ID: 3577476761 Enrollment ID: O20040430001354

Entity Name	On Call Specialists Medical Group Of San Diego Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1962175836 PECOS PAC ID: 7911395231 Enrollment ID: O20211019001466

Entity Name	Bryan Dieffenbach Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1871276386 PECOS PAC ID: 1052775368 Enrollment ID: O20230919002885

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. Bryan Dieffenbach 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
Bryan Dieffenbach, MD 550 Washington St Ste 641, San Diego, CA 92103-2229 Ph: (619) 299-2600	Bryan Dieffenbach, MD 550 Washington St Ste 641, San Diego, CA 92103-2229 Ph: (619) 299-2600

Reviews and Comments

Surgery Doctors in San Diego, CA

Dr. Samuel R Obiekwe, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 113 W G St # 315, San Diego, CA 92101 Phone: 909-816-1032
Dr. Ahmed Sirageldin Suliman, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 200 W Arbor Dr # 8890, San Diego, CA 92103 Phone: 619-294-3746
Mathias John Kill, MD Surgery Medicare: Not Enrolled in Medicare Practice Location: 34730 Bob Wilson Dr, General Surgery Department, San Diego, CA 92134 Phone: 619-532-7575 Fax: 619-532-7673
Scott E. Greenway, MD Surgery Medicare: Accepting Medicare Assignments Practice Location: 4647 Zion Ave, San Diego, CA 92120 Phone: 619-528-5000
Dr. Kristian L. Brown, M.D., PHD Surgery Medicare: Accepting Medicare Assignments Practice Location: 7910 Frost St, Suite 250, San Diego, CA 92123 Phone: 858-637-4800 Fax: 858-637-4801
Dr. Robert J Manly, M.D. Surgery Medicare: Medicare Enrolled Practice Location: 8010 Frost St, San Diego, CA 92123 Phone: 858-939-8350 Fax: 858-939-8360
Dr. Michael Bouvet, M.D. Surgery Medicare: Accepting Medicare Assignments Practice Location: 200 W Arbor Dr, Ucsd Medical Center, San Diego, CA 92103 Phone: 858-822-6191 Fax: 858-822-6192

Bryan Dieffenbach, MD - Medicare Surgery in San Diego, CA