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

HAYAN DHAMER IBRAHEEM MD
NPI 1801450127
Hospitalist in Katy, TX

Active since April 23, 2019PECOS EnrolledAccepts Medicare Assignment
23900 KATY FWY, KATY, TX 77494(281) 644-8111 Get Directions Write a Review

NPPES record last updated: September 14, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 14, 2026, Sep 17, 2024, Aug 13, 2024 and 2 more (5 updates tracked since 2019).

About Hayan Dhamer Ibraheem Md NPPES

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

HAYAN DHAMER IBRAHEEM MD (NPI 1801450127) is an individual hospitalist provider in Katy, Texas, licensed in Texas (T9707) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, is affiliated with Vhs Harlingen Hospital Company Llc, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1801450127
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameHAYAN DHAMER IBRAHEEMCredential: MD
Location Address23900 KATY FWYKaty, TX 77494-1323
Mailing Address930 Frostwood Dr Ste 2.200Houston, TX 77024-2450 · (281) 644-8111
Sole ProprietorYes
Medical School CMSOtherGraduated 2009
Enumeration DateApril 23, 2019
Last NPPES UpdateSeptember 14, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 14, 2026
✔ NPI 1801450127 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
Licenses✔ Licensed in TX · T9707✔ Licensed in CA · A188117
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedInternal MedicineTaxonomy 207R00000X · License A188117 (CA), T9707 (TX)
23900 KATY FWY, Katy, TX 77494

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Hayan Dhamer Ibraheem Md 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 ID1850634445
PECOS Enrollment IDI20221117002974, I20230905000546
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.

Medicare Billing Reassignments

5

Medicare enrollment records show Hayan Ibraheem reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
6631 W CROSS CREEK BEND LN STE 200
Fulshear, TX 77441
  • Reassigned Medicare billing, Texas enrollment
  • 1,235 clinicians in this Medicare group
Urology
11301 FALLBROOK DR, STE 304
Houston, TX 77065
  • Reassigned Medicare billing, Texas enrollment
  • 964 clinicians in this Medicare group
Neurology
1717 MAIN ST STE 5850
Dallas, TX 75201
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Access Telecare California PC
  • 194 clinicians in this Medicare group
Internal Medicine
1717 MAIN ST STE 5850
Dallas, TX 75201
  • Reassigned Medicare billing, Arizona, Colorado and Nevada enrollments
  • 161 clinicians in this Medicare group
Multi-Specialty
1020 NUT TREE RD # 390
Vacaville, CA 95687
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Northbay Physicians Surgery Center, LLC
  • 516 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
308 services138 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
164 services159 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
138 services138 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
100 services44 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
21 services13 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
19 services19 patients

Hospital Affiliations CMS Care Compare 3

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

Vhs Harlingen Hospital Company LLC

Acute Care Hospitals · Harlingen, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450033
Location2101 Pease StHarlingen, TX 78550 · Cameron County
Emergency services Birthing friendly

Columbus Community Hospital

Acute Care Hospitals · Columbus, TX
OwnershipVoluntary non-profit - Private
CMS Certification Number450370
Location110 Shult DrColumbus, TX 78934 · Colorado County
Emergency services Birthing friendly

Memorial Hermann Katy Hospital

Acute Care Hospitals · Katy, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450847
Location23900 Katy FreewayKaty, TX 77494 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77494 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Nurse Practitioner
23900 KATY FWY
KATY, TX 77494
Pediatrics
23900 KATY FWY
KATY, TX 77494
Hospitalist
23900 KATY FWY
KATY, TX 77494
Nurse Practitioner (Family)
23900 KATY FWY
KATY, TX 77494
Hospitalist
23900 KATY FWY
KATY, TX 77494
Specialist/Technologist, Other (Surgical Assistant)
23900 KATY FWY
KATY, TX 77494
Nurse Practitioner (Family)
23900 KATY FWY
KATY, TX 77494
Clinic/Center (Ambulatory Surgical)
23900 KATY FWY
KATY, TX 77494

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hayan Ibraheem's NPI number?

The NPI number for Hayan Ibraheem is 1801450127. It was assigned to this individual provider in the NPPES registry on April 23, 2019.

Where is Hayan Ibraheem located?

Hayan Ibraheem practices at 23900 Katy Fwy, Katy, TX 77494. The listed phone number is (281) 644-8111.

What is Hayan Ibraheem's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Hayan Ibraheem enrolled in Medicare?

Yes. Hayan Ibraheem is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Hayan Ibraheem's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hayan Ibraheem reassigns Medicare benefits to 5 organizations: Memorial Hermann Medical Group (Fulshear, TX), Bhs Physicians Network, Inc (Houston, TX), Access Telecare California, P.C. (Dallas, TX), Access Telecare, PLLC (Dallas, TX) and Northbay Healthcare Group (Vacaville, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Hayan Ibraheem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Hayan Ibraheem accept?

Health plans from Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and WellPoint list Hayan Ibraheem as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Hayan Ibraheem affiliated with any hospitals?

According to CMS data, Hayan Ibraheem is affiliated with Vhs Harlingen Hospital Company LLC, Columbus Community Hospital and Memorial Hermann Katy Hospital.

When was this NPI record last updated?

The NPPES record for Hayan Ibraheem was last updated on September 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.