Dr Nathan C Hamaker, MD in Lancaster, CA

Dr Nathan C Hamaker, MD is a medicare enrolled "Ophthalmology" physician in Lancaster, California. He went to University Of Texas Medical School At Houston and graduated in 2003 and has 23 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Seibert Mobile Optometry Llc and his current practice location is 44439 17th St W # 210, Lancaster, California. You can reach out to his office (for appointments etc.) via phone at (816) 838-3464.

Dr Nathan C Hamaker is licensed to practice in California (license number C205778) 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 1104852292.

Contact Information

	Dr Nathan C Hamaker, MD
	44439 17th St W # 210, Lancaster, CA 93534-2831
	(816) 838-3464
	(818) 672-2700

Map and Direction

Physician's Profile

Full Name	Dr Nathan C Hamaker
Gender	Male
Speciality	Ophthalmology
Experience	23 Years
Location	44439 17th St W # 210, Lancaster, 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 Nathan C Hamaker attended and graduated from University Of Texas Medical School At Houston in 2003

NPI Data:

NPI Number: 1104852292
Provider Enumeration Date: 06/23/2006
Last Update Date: 06/29/2026

Medicare PECOS Information:

PECOS PAC ID: 7517058894
Enrollment ID: I20070801000603

Medical Identifiers

Medical identifiers for Dr Nathan C Hamaker such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1104852292	NPI	-	NPPES
P00411373	Other		RAILROAD MEDICARE

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
207W00000X	Ophthalmology	C205778 (California)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Seibert Mobile Optometry Llc	7517242746	10

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 Nathan C Hamaker allows following entities to bill medicare on his behalf.

Entity Name	Eye Care Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1609066034 PECOS PAC ID: 4385544600 Enrollment ID: O20040204000494

Entity Name	Seibert Mobile Optometry Llc
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1679017362 PECOS PAC ID: 7517242746 Enrollment ID: O20170330000287

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 Nathan C Hamaker 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 Nathan C Hamaker, MD 44439 17th St W # 210, Lancaster, CA 93534-2831 Ph: (816) 838-3464	Dr Nathan C Hamaker, MD 44439 17th St W # 210, Lancaster, CA 93534-2831 Ph: (816) 838-3464

Reviews and Comments

Ophthalmology Doctors in Lancaster, CA

Dr. Karen H Tison, M.D. Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 44241 15th St W, Ste. 201, Lancaster, CA 93534 Phone: 661-949-5955 Fax: 661-949-5958
Dr. Barbara Suk Yates, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 335 E Avenue I, Lancaster, CA 93535 Phone: 661-471-4000 Fax: 661-524-2344
Pratik S Patel, MD Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 44815 Fig Ave, Lancaster, CA 93534 Phone: 661-206-8469 Fax: 661-206-8924
Dr. Juliet P Kim, MD Ophthalmology Medicare: Medicare Enrolled Practice Location: 615 W Avenue L, Lancaster, CA 93534 Phone: 661-723-6723
Dr. Rulon Deem Beesley, M.D. Ophthalmology Medicare: Not Enrolled in Medicare Practice Location: 44404 16th St W, Suite 102, Lancaster, CA 93534 Phone: 661-940-0555 Fax: 661-940-0558
Lisa Kyoo-hae Hwang, M.D. Ophthalmology Medicare: Accepting Medicare Assignments Practice Location: 43112 15th St W, Lancaster, CA 93534 Phone: 646-872-8649

Dr Nathan C Hamaker, MD - Medicare Ophthalmology in Lancaster, CA