MORRIS R GESSOUROUN (MD) – Pediatric Critical Care Medicine Physician, NPI 1154399426

MORRIS R GESSOUROUN (MD) is a healthcare provider. based in Oklahoma city, Oklahoma. specializing in CRITICAL CARE (INTENSIVISTS), PEDIATRIC MEDICINE. They hold the professional credentials MD. They hold a License No. 17368 (OK). The NPI Number for MORRIS R GESSOUROUN (MD) is 1154399426

Main info

Male
45 Years Of Experience
Accepts Medicare Assignment
Name
MORRIS R GESSOUROUN (MD)
NPI
1154399426
Phone
(405) 271-1515
Address
1122 NE 13TH ST
Enumeration Date
10 March 2006
Last Update Date
3 July 2008

Doctor Profile

Medical School Name
UNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Secondary Phone
4052714311
Graduation Year
1981 (45 years ago)
PAC ID
4082637533
Group Practice PAC ID
5991105876
Professional Enrollment ID
I20060110001054
Address ID
OK731045420OK900XXSTXX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

143 CRITICAL CARE (INTENSIVISTS) in OK

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Provider Addresses for MORRIS R GESSOUROUN (MD)

  • 1122, Northeast 13th Street, Oklahoma City, Oklahoma County, Oklahoma, 73117, United States

    ORI236

    OKLAHOMA CITY, OK 731171039

    Phone: (405) 271-1515

    Type: Mailing

  • Nicholson Tower, 940, Northeast 13th Street, Oklahoma City, Oklahoma County, Oklahoma, 73104, United States

    6G6115

    OKLAHOMA CITY, OK 731045008

    Phone: (405) 271-5211

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2006-01-10

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
I20060110001054ICritical Care (Intensivists)OKTBD

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 73117)

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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: 5991105876View full group profile
NameSpecialtyState
A N E S T H E S I O L O G YOK
R H E U M A T O L O G YOK
Orthopedic Surgery, Hand SurgeryOK
A N E S T H E S I O L O G YOK
Hospitalist, Internal MedicineOK
Pediatric Medicine, Hematology/OncologyVA
Pulmonary Disease, Internal MedicineOK
Clinical PsychologistOK
Emergency MedicineOK
Endocrinology, Pediatric MedicineOK

Reviews

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Frequently asked questions

What is the registry number for MORRIS R GESSOUROUN (MD)?
The registry entry for MORRIS R GESSOUROUN (MD) shows NPI 1154399426.
Quick check: is MORRIS R GESSOUROUN (MD) active?
Public NPPES data shows MORRIS R GESSOUROUN (MD) with an active NPI status right now.
What type of care does MORRIS R GESSOUROUN (MD) provide?
MORRIS R GESSOUROUN (MD)'s profile centers on Pediatric Critical Care Medicine Physician. Clinical services aligned with this taxonomy classification.
Can patients visit MORRIS R GESSOUROUN (MD) in Oklahoma City, Oklahoma?
For routing, start with Oklahoma City, Oklahoma for MORRIS R GESSOUROUN (MD), then verify phone and hours locally.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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