Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JAMAR WILLIAMS MD, MPH
NPI 1689000465
Emergency Medicine in Houston, TX

Q: What is Jamar Williams's NPI number?

The NPI number for Jamar Williams is 1689000465. It was assigned to this individual provider in the NPPES registry on September 24, 2013.

Q: What is Jamar Williams's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Jamar Williams was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 24, 2013PECOS EnrolledAccepts Medicare Assignment

710 CYPRESS CREEK PKWY, HOUSTON, TX 77090(281) 440-1000 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 6, 2026, Jun 20, 2023, Feb 9, 2023 and 3 more (6 updates tracked since 2017).

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About Jamar Williams Md, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JAMAR WILLIAMS MD, MPH (NPI 1689000465) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (U9456) and active in the NPI registry since September 2013. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Northwest, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1689000465

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameJAMAR WILLIAMSCredential: MD, MPH

Location Address710 CYPRESS CREEK PKWYHouston, TX 77090-3402

Mailing Address9803 Sh-242 W, Suite 200Conroe, TX 77385 · (929) 503-4678 · Fax (347) 906-7172

Phone(281) 440-1000

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateSeptember 24, 2013

Last NPPES UpdateAugust 6, 20266 updates tracked since enumeration

NPPES CertifiedAugust 6, 2026

✔ NPI 1689000465 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in TX · U9456

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 289711 (NY)

710 CYPRESS CREEK PKWY, Houston, TX 77090

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jamar Williams Md, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244591865

PECOS Enrollment IDI20241028001459

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

43 services43 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Houston Healthcare Northwest

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450638

Location710 Cypress Creek ParkwayHouston, TX 77090 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PETER ABRAHAM KWAYU NP-C

Nurse Practitioner (Family)