DR. DAVID I RYAN (M.D.) – Pediatric Critical Care Medicine Physician, NPI 1598726242

DR. DAVID I RYAN (M.D.) is a healthcare provider. based in Corpus christi, Texas. specializing in Pediatric Critical Care Medicine Physician. They hold the professional credentials M.D.. They hold a License No. L7541 (TX). The NPI Number for DR. DAVID I RYAN (M.D.) is 1598726242

Main info

Male
Name
DR. DAVID I RYAN (M.D.)
NPI
1598726242
Phone
(361) 694-5445
Address
3533 S ALAMEDA ST
Enumeration Date
31 March 2006
Last Update Date
16 March 2018
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for DR. DAVID I RYAN (M.D.)

  • Driscoll Children's Hospital, 3533, South Alameda Street, Bay Area, Corpus Christi, Nueces County, Texas, 78411, United States

    CORPUS CHRISTI, TX 784111721

    Phone: (361) 694-5445

    Fax: (361) 694-5449

    Type: Mailing

  • HonorHealth Scottsdale Shea Medical Center, 9003, East Shea Boulevard, Scottsdale, Maricopa County, Arizona, 85260, United States

    SCOTTSDALE, AZ 852606709

    Phone: (361) 960-0607

    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: 2024-06-19

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
I20240619000493IPediatric MedicineAZTBD

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

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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 78411)

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Reviews

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Frequently asked questions

What is the 10-digit NPI for DR. DAVID I RYAN (M.D.)?
DR. DAVID I RYAN (M.D.) — NPI 1598726242 — is the standard way to identify this listing.
Can I rely on DR. DAVID I RYAN (M.D.) being an active provider?
As of the registry snapshot, DR. DAVID I RYAN (M.D.) is marked active.
What is DR. DAVID I RYAN (M.D.) best known for clinically?
Directory data describes DR. DAVID I RYAN (M.D.) with Pediatric Critical Care Medicine Physician. Clinical services aligned with this taxonomy classification.
Where is DR. DAVID I RYAN (M.D.) based?
DR. DAVID I RYAN (M.D.) is tied to Corpus Christi, Texas in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
2 practice locations appear in the available data.