Ji Won Ahn, MD in Walnut Creek, CA - Medicare Dermatology

Ji Won Ahn, MD is a medicare enrolled "Dermatology - Mohs-micrographic Surgery" physician in Walnut Creek, California. She went to Washington University School Of Medicine and graduated in 2016 and has 9 years of diverse experience with area of expertise as Dermatology. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 320 Lennon Ln Dept Of, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 817-5678.

Ji Won Ahn is licensed to practice in Minnesota (license number 66941) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1023460243.

Contact Information

	Ji Won Ahn, MD
	320 Lennon Ln Dept Of, Walnut Creek, CA 94598-2419
	(925) 817-5678
	Not Available

Map and Direction

Physician's Profile

Full Name	Ji Won Ahn
Gender	Female
Speciality	Dermatology
Experience	9 Years
Location	320 Lennon Ln Dept Of, Walnut Creek, California
Accepts Medicare Assignments	Yes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.

Medical Education and Training:

Ji Won Ahn attended and graduated from Washington University School Of Medicine in 2016

NPI Data:

NPI Number: 1023460243
Provider Enumeration Date: 07/12/2016
Last Update Date: 10/30/2024

Medicare PECOS Information:

PECOS PAC ID: 2466748579
Enrollment ID: I20241029002314

Medical Identifiers

Medical identifiers for Ji Won Ahn such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1023460243	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207ND0101X	Dermatology - Mohs-micrographic Surgery	66941 (Minnesota)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Permanente Medical Group Inc	8921910225	8867

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. Ji Won Ahn allows following entities to bill medicare on her behalf.

Entity Name	Permanente Medical Group Inc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1073606299 PECOS PAC ID: 8921910225 Enrollment ID: O20031104000710

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. Ji Won Ahn 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
Ji Won Ahn, MD 200 1st St Sw, Rochester, MN 55905-0001 Ph: (507) 284-2511	Ji Won Ahn, MD 320 Lennon Ln Dept Of, Walnut Creek, CA 94598-2419 Ph: (925) 817-5678

Reviews and Comments

Dermatology Doctors in Walnut Creek, CA

Grace Kim Sohn, M.D. Dermatology Medicare: Accepting Medicare Assignments Practice Location: 355 Lennon Ln Ste 255, Walnut Creek, CA 94598 Phone: 925-932-7704
E. Robin Slovak, MD Dermatology Medicare: Not Enrolled in Medicare Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-906-2000
Dr. Min-wei Christine Lee, M.D. Dermatology Medicare: Accepting Medicare Assignments Practice Location: 370 N Wiget Ln, Ste 125, Walnut Creek, CA 94598 Phone: 925-932-9389 Fax: 925-393-5996
Dr. Megan Macklin Moore, M.D. Dermatology Medicare: Accepting Medicare Assignments Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-906-2000
Mrs. Christina Daria Fonseca, M.D. Dermatology Medicare: Accepting Medicare Assignments Practice Location: 320 Lennon Lane Kaiser Permanente Medical Group, Department Of Dermatology, Walnut Creek, CA 94598 Phone: 925-617-5600 Fax: 916-442-5702
Manisha Manmohan, M.D. Dermatology Medicare: Accepting Medicare Assignments Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598 Phone: 925-817-5656

Ji Won Ahn, MD - Medicare Dermatology in Walnut Creek, CA