DR. JEFFRY JOHN SHELLENBERGER (M.D.) – Emergency Medicine Physician, NPI 1356547640
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,050 EMERGENCY MEDICINE in TX
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Provider Addresses for DR. JEFFRY JOHN SHELLENBERGER (M.D.)
Northwest Freeway, Cypress, Harris County, Texas, 77429, United States
CYPRESS, TX 774293373
Phone: (281) 827-4262
Type: Location
6 LAKEVIEW PL
HOUSTON, TX 770701300
Phone: (281) 827-4262
Type: Mailing
7510 MCPHERSON RD
LAREDO, TX 780416561
Phone: (956) 242-6790
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: 2019-07-18
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20120813000628 | I | Emergency Medicine | TX | TBD |
| I20190718001391 | I | Emergency Medicine | CA | TBD |
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.
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 77429)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | HI | |
| Emergency Medicine | MA | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CA | |
| Hospitalist, Internal Medicine | NY | |
| Diagnostic Radiology, Nuclear Medicine | CA | |
| Internal Medicine | FL | |
| Internal Medicine, Family Practice | PA | |
| Emergency Medicine | UT | |
| Internal Medicine | CA | |
| Internal Medicine | MD |
Reviews
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