Mark A Williamson, MD in Houston, TX

Mark A Williamson, MD is a medicare enrolled "Psychiatry & Neurology - Psychiatry" physician in Houston, Texas. He went to University Of Texas Medical Branch At Galveston and graduated in 1984 and has 40 years of diverse experience with area of expertise as Psychiatry. He is a member of the group practice The Harris Center For Mental Health And Idd and his current practice location is 5901 Long Dr, Houston, Texas. You can reach out to his office (for appointments etc.) via phone at (713) 970-7000.

Mark A Williamson is licensed to practice in Texas (license number H4855) 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 1760591028.

Contact Information

	Mark A Williamson, MD
	5901 Long Dr, Houston, TX 77087-1003
	(713) 970-7000
	(713) 970-7246

Map and Direction

Physician's Profile

Full Name	Mark A Williamson
Gender	Male
Speciality	Psychiatry
Experience	40 Years
Location	5901 Long Dr, Houston, Texas
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:

Mark A Williamson attended and graduated from University Of Texas Medical Branch At Galveston in 1984

NPI Data:

NPI Number: 1760591028
Provider Enumeration Date: 08/30/2006
Last Update Date: 01/29/2019

Medicare PECOS Information:

PECOS PAC ID: 2961472444
Enrollment ID: I20071128000418

Medical Identifiers

Medical identifiers for Mark A Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1760591028	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
2084P0804X	Psychiatry & Neurology - Child & Adolescent Psychiatry	H4855 (Texas)	Secondary
2084P0800X	Psychiatry & Neurology - Psychiatry	H4855 (Texas)	Primary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
The Harris Center For Mental Health And Idd	9739088790	114

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. Mark A Williamson allows following entities to bill medicare on his behalf.

Entity Name	The Harris Center For Mental Health And Idd
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1346293156 PECOS PAC ID: 9739088790 Enrollment ID: O20040108000251

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. Mark A Williamson 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
Mark A Williamson, MD 9401 Southwest Fwy, Houston, TX 77074-1407 Ph: (713) 970-7000	Mark A Williamson, MD 5901 Long Dr, Houston, TX 77087-1003 Ph: (713) 970-7000

Reviews and Comments

Psychiatry & Neurology Doctors in Houston, TX

Dr. Merry Chen, MD Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 1515 Holcombe Blvd, Houston, TX 77030 Phone: 713-792-6161
Shirish S Satpute, MD Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 6400 Fannin St Ste 2800, Houston, TX 77030 Phone: 713-704-7100 Fax: 713-867-2591
Dr. Iram Kazimi, MD Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 2800 S Macgregor Way, Houston, TX 77021 Phone: 713-741-5000
Tiffany Rose Chang, M.D. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 6400 Fannin St Ste 2800, Houston, TX 77030 Phone: 713-486-8000 Fax: 713-486-8088
Anand Vilaschandra Patel, M.D. Psychiatry & Neurology Medicare: Accepting Medicare Assignments Practice Location: 7200 Cambridge St Fl 10, Houston, TX 77030 Phone: 713-798-1750 Fax: 713-798-4693
Dr. Jennifer L Yen, MD Psychiatry & Neurology Medicare: Medicare Enrolled Practice Location: 1941 East Rd, Houston, TX 77054 Phone: 713-486-2500
Bernard Theodore Engelberg, MD Psychiatry & Neurology Medicare: Not Enrolled in Medicare Practice Location: 4314 Yoakum Blvd, Houston, TX 77006 Phone: 713-850-0049 Fax: 713-627-7302

Mark A Williamson, MD - Medicare Psychiatry in Houston, TX