DR. JONATHAN WYNN HEMMERT (MD) – Emergency Medicine Physician, NPI 1588827455

DR. JONATHAN WYNN HEMMERT (MD) is a healthcare provider. based in Houston, Texas. specializing in EMERGENCY MEDICINE. They hold the professional credentials MD. They hold a License No. N8791 (TX). The NPI Number for DR. JONATHAN WYNN HEMMERT (MD) is 1588827455

Main info

Male
Sole Proprietor
18 Years Of Experience
Accepts Medicare Assignment
Name
DR. JONATHAN WYNN HEMMERT (MD)
NPI
1588827455
Phone
(281) 453-7150
Address
837 FM 1960 RD W
Enumeration Date
9 July 2008
Last Update Date
20 April 2015

Doctor Profile

Medical School Name
UNIVERSITY OF CHICAGO, PRITZKER SCHOOL OF MEDICINE
Secondary Phone
2814537777
Graduation Year
2008 (18 years ago)
PAC ID
1658552211
Group Practice PAC ID
0941600811
Professional Enrollment ID
I20111019000060
Address ID
TX773861707SP2306XRDXX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

4,050 EMERGENCY MEDICINE in TX

Provider Addresses for DR. JONATHAN WYNN HEMMERT (MD)

  • 837 FM 1960 RD W

    HOUSTON, TX 770903423

    Phone: (281) 453-7150

    Fax: (281) 453-7155

    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 1 Open Payments records for all available years, with a total value of $15.

Total Amount is formed as General ($15) + Research ($0) + Ownership ($0) = $15.

Last reported payment date: 2024-05-01 • Largest payer in this snapshot: PFIZER INC. ($15).

Total Amount

$15

General + Research + Ownership

Payments

1

Total payment records

General Amount

$15

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-05-01

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
PFIZER INC.$15
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: 2011-10-19

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
I20111019000060IEmergency 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 77090)

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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: 0941600811View full group profile
NameSpecialtyState
Emergency MedicineIL
Emergency MedicineTX
Emergency MedicineTX
Family PracticeTX
Emergency Medicine, Cardiac Surgery, Thoracic SurgeryTX
Internal MedicineTX
Family PracticeTX
Emergency MedicineTX
Emergency MedicineTX

Reviews

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Frequently asked questions

How do I look up DR. JONATHAN WYNN HEMMERT (MD) by NPI?
Use NPI 1588827455 when you need to reference DR. JONATHAN WYNN HEMMERT (MD) in forms, claims, or directories.
Is DR. JONATHAN WYNN HEMMERT (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize DR. JONATHAN WYNN HEMMERT (MD)'s specialty in plain language?
Clinically, the directory lists DR. JONATHAN WYNN HEMMERT (MD) with Emergency Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. JONATHAN WYNN HEMMERT (MD)?
The snapshot lists Houston, Texas for DR. JONATHAN WYNN HEMMERT (MD); download NPPES for the complete set.
How can I contact DR. JONATHAN WYNN HEMMERT (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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