DR. ESSAM M IMSEIS (MD) – Pediatric Gastroenterology Physician, NPI 1508815861

DR. ESSAM M IMSEIS (MD) is a healthcare provider. based in Houston, Texas. specializing in Pediatric Gastroenterology Physician. They hold the professional credentials MD. They hold a License No. N2124 (TX). The NPI Number for DR. ESSAM M IMSEIS (MD) is 1508815861

Main info

Male
28 Years Of Experience
Accepts Medicare Assignment
Name
DR. ESSAM M IMSEIS (MD)
NPI
1508815861
Phone
(832) 325-6516
Address
6410 FANNIN ST STE 500
Enumeration Date
6 May 2006
Last Update Date
2 December 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
-
Graduation Year
1998 (28 years ago)
PAC ID
8022079896
Group Practice PAC ID
8426960360
Professional Enrollment ID
I20090117000092
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Provider Addresses for DR. ESSAM M IMSEIS (MD)

  • 6410 FANNIN ST STE 500

    HOUSTON, TX 770303005

    Phone: (832) 325-6516

    Type: Location

  • PO BOX 201088

    HOUSTON, TX 772161088

    Phone: (713) 500-5663

    Fax: (713) 500-5750

    Type: Mailing

  • 6431, Fannin Street, Texas Medical Center, Houston, Harris County, Texas, 77030, United States

    3.137

    HOUSTON, TX 770301501

    Phone: (713) 500-5663

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $16.

Total Amount is formed as General ($16) + Research ($0) + Ownership ($0) = $16.

Last reported payment date: 2024-11-04 • Largest payer in this snapshot: Takeda Pharmaceuticals U.S.A., Inc. ($16).

Total Amount

$16

General + Research + Ownership

Payments

1

Total payment records

General Amount

$16

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-04

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2009-01-17

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20090117000092IPediatric MedicineTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 77030)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 8426960360View full group profile
NameSpecialtyState
Emergency MedicineIL
Anesthesiology, Critical Care (Intensivists)TX
A N E S T H E S I O L O G YTX
-TX
Diagnostic RadiologyTX
Physician AssistantTX
Certified Nurse Midwife (Cnm)TX
O T O L A R Y N G O L O G YTX
Physician AssistantTX
Physician AssistantTX

Reviews

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Frequently asked questions

What is DR. ESSAM M IMSEIS (MD)'s NPI number?
DR. ESSAM M IMSEIS (MD)'s NPI is 1508815861 — the number used across U.S. healthcare to identify this provider.
Is DR. ESSAM M IMSEIS (MD) shown as active in public data?
Registry records indicate DR. ESSAM M IMSEIS (MD) maintains an active NPI.
What kind of doctor is DR. ESSAM M IMSEIS (MD)?
DR. ESSAM M IMSEIS (MD) is associated with Pediatric Gastroenterology Physician in the directory — Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. ESSAM M IMSEIS (MD)?
Travel planning: use Houston, Texas as the reference point for DR. ESSAM M IMSEIS (MD), then confirm.
Can I trust this NPI listing for DR. ESSAM M IMSEIS (MD)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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