Dr John Mark Geiss, DO in Santa Ana, CA

Dr John Mark Geiss, DO is a medicare enrolled "Family Medicine" physician in Santa Ana, California. His current practice location is 5 Hutton Centre Dr Ste 950, Santa Ana, California. You can reach out to his office (for appointments etc.) via phone at (855) 434-7763.

Dr John Mark Geiss is licensed to practice in California (license number 20A12647) 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 1053651497.

Contact Information

	Dr John Mark Geiss, DO
	5 Hutton Centre Dr Ste 950, Santa Ana, CA 92707-8744
	(855) 434-7763
	(949) 281-5550

Map and Direction

Physician's Profile

Full Name	Dr John Mark Geiss
Gender	Male
Speciality
Experience	Years
Location	5 Hutton Centre Dr Ste 950, Santa Ana, 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 John Mark Geiss attended and graduated from in

NPI Data:

NPI Number: 1053651497
Provider Enumeration Date: 02/21/2013
Last Update Date: 09/20/2025

Medicare PECOS Information:

PECOS PAC ID:
Enrollment ID:

Medical Identifiers

Medical identifiers for Dr John Mark Geiss such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1053651497	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207Q00000X	Family Medicine	20A12647 (California)	Primary

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 John Mark Geiss 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 John Mark Geiss, DO 5 Hutton Centre Dr Ste 950, Santa Ana, CA 92707-8744 Ph: (855) 434-7763	Dr John Mark Geiss, DO 5 Hutton Centre Dr Ste 950, Santa Ana, CA 92707-8744 Ph: (855) 434-7763

Reviews and Comments

Family Medicine Doctors in Santa Ana, CA

Dr. Rhett Mark Bartolome, D.O. Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1900 E 4th St, Santa Ana, CA 92705 Phone: 714-967-4675
Antonio Carbayo, MD Family Medicine Medicare: Accepting Medicare Assignments Practice Location: 1911 N Broadway, Santa Ana, CA 92706 Phone: 714-667-6900 Fax: 714-667-6116
Dr. Darrel E Hopkins, D.O. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 720 N. Tustin Ave, Suite 200, Santa Ana, CA 92705 Phone: 714-689-9061 Fax: 714-689-9064
Dr. Luis Manuel Sandoval, MD Family Medicine Medicare: Medicare Enrolled Practice Location: 1900 E 4th St, 2nd Floor, Santa Ana, CA 92705 Phone: 714-223-4589 Fax: 714-967-4575
Dr. Judith Miriam Friedland, M.D. Family Medicine Medicare: Not Enrolled in Medicare Practice Location: 1725 W 17th St, Santa Ana, CA 92706 Phone: 714-834-8017
Michael Davis, Family Medicine Medicare: Medicare Enrolled Practice Location: 2720 S Bristol St Ste 110, Santa Ana, CA 92704 Phone: 888-499-9303

Dr John Mark Geiss, DO - Medicare in Santa Ana, CA