ISMAEL JR. DIAZ (MD) – Family Medicine Physician, NPI 1831187004

ISMAEL JR. DIAZ (MD) is a healthcare provider. based in Humble, Texas. specializing in FAMILY PRACTICE. They hold the professional credentials MD. They hold a License No. L3952 (TX). The NPI Number for ISMAEL JR. DIAZ (MD) is 1831187004

Main info

Male
28 Years Of Experience
Accepts Medicare Assignment
Name
ISMAEL JR. DIAZ (MD)
NPI
1831187004
Phone
(281) 812-1846
Address
17903 WEST LAKE HOUSTON PARKWAY
Enumeration Date
11 October 2005
Last Update Date
15 June 2015

Doctor Profile

Medical School Name
UNIVERSITY OF TEXAS MEDICAL SCHOOL AT HOUSTON
Secondary Phone
2814467173
Graduation Year
1998 (28 years ago)
PAC ID
6103874029
Group Practice PAC ID
0941236301
Professional Enrollment ID
I20050107000271
Address ID
TX773463954HU17903PKWY504
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

8,705 FAMILY PRACTICE in TX

Provider Addresses for ISMAEL JR. DIAZ (MD)

  • 17903 WEST LAKE HOUSTON PARKWAY

    SUITE 201

    HUMBLE, TX 773463882

    Phone: (281) 812-1846

    Fax: (281) 812-2778

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 129 Open Payments records for all available years, with a total value of $2,612.

Total Amount is formed as General ($2,612) + Research ($0) + Ownership ($0) = $2,612.

Last reported payment date: 2024-12-19 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($405).

Total Amount

$2,612

General + Research + Ownership

Payments

129

Total payment records

General Amount

$2,612

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-19

Latest reported date

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: 2005-01-07

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
I20050107000271IFamily PracticeTXTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99214Established patient office or other outpatient visit, 30-39 minutes530276$0
80053Blood test, comprehensive group of blood chemicals339230$0
80061Blood test, lipids (cholesterol and triglycerides)295212$0
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count283208$0
83036Hemoglobin a1c level222158$0
View full utilization report →

Insurance plans in this area (ZIP 77346)

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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: 0941236301View full group profile
NameSpecialtyState
Physician AssistantTX
Pulmonary Disease, Critical Care (Intensivists)TX
General SurgeryTX
Orthopedic Surgery, Hand SurgeryTX
Internal Medicine, Pediatric MedicineTX
Cardiovascular Disease (Cardiology)TX
Interventional Cardiology, Cardiovascular Disease (Cardiology)NJ
E N D O C R I N O L O G YNY
Internal MedicineTX
E N D O C R I N O L O G YTX

Reviews

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Frequently asked questions

Does ISMAEL JR. DIAZ (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — ISMAEL JR. DIAZ (MD) uses 1831187004.
Does the file indicate ISMAEL JR. DIAZ (MD) is practicing under active NPI?
Directory data currently reports ISMAEL JR. DIAZ (MD) as active.
What is ISMAEL JR. DIAZ (MD)'s primary classification?
Family Medicine Physician is the headline specialty for ISMAEL JR. DIAZ (MD) here. Clinical services aligned with this taxonomy classification.
What address line appears for ISMAEL JR. DIAZ (MD)?
ISMAEL JR. DIAZ (MD)'s geographic hint is Humble, Texas in our summary view.
Is the information about ISMAEL JR. DIAZ (MD) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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