GARY L MEHLHORN (MD) – Ophthalmology Physician, NPI 1407856263

GARY L MEHLHORN (MD) is a healthcare provider. based in Saint louis, Missouri. specializing in Ophthalmology Physician. They hold the professional credentials MD. They hold a License No. R5C89 (MO). The NPI Number for GARY L MEHLHORN (MD) is 1407856263

Main info

Male
Name
GARY L MEHLHORN (MD)
NPI
1407856263
Phone
(417) 829-4620
Address
PO BOX 505164
Enumeration Date
22 July 2005
Last Update Date
20 October 2014
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

Loading map...

Provider Addresses for GARY L MEHLHORN (MD)

  • PO BOX 505164

    SAINT LOUIS, MO 631505164

    Phone: (417) 829-4620

    Type: Mailing

  • 1229, East Seminole Street, Meador Park, Springfield, Greene County, Missouri, 65804, United States

    SPRINGFIELD, MO 658042227

    Phone: (417) 820-9393

    Fax: (417) 820-9725

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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: 2010-10-20

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
I20101020001102IOphthalmologyMOTBD

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 63150)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What identifier follows GARY L MEHLHORN (MD) across health systems?
The NPI 1407856263 uniquely identifies GARY L MEHLHORN (MD) in U.S. healthcare data.
Does the public listing show GARY L MEHLHORN (MD) as active?
GARY L MEHLHORN (MD)'s NPI record reflects an active status in NPPES.
How should patients interpret GARY L MEHLHORN (MD)'s specialty?
The extract shows Ophthalmology Physician for GARY L MEHLHORN (MD). Clinical services aligned with this taxonomy classification.
What geographic area is tied to GARY L MEHLHORN (MD)?
GARY L MEHLHORN (MD) is associated with Saint Louis, Missouri in the same public data insurers reference.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

Similar Providers

DR. ROBERT M FEIBEL (MD)

Ophthalmology Physician
South Euclid Avenue, WashU, City of Saint Louis, Missouri, 63110, United States of America
NPI: 1871596890
12101 WOODCREST EXECUTIVE DR STE 150
NPI: 1396748000

BARNES RETINA INSTITUTE

Ophthalmology Physician
1600, South Brentwood Boulevard, Brentwood, Saint Louis County, Missouri, 63144, United States
NPI: 1407858673

DR. RAJENDRA SHRIDHAR APTE (MD)

Ophthalmology Physician
Parkview Place, WashU, City of Saint Louis, Missouri, 63110, United States
NPI: 1528062411
12818, Tesson Ferry Road, Concord, Saint Louis County, Missouri, 63128, United States
NPI: 1922002344

Unknown Individual

Ophthalmology Physician
Hampton Village Plaza, Southhampton, City of Saint Louis, Missouri, United States
NPI: 1518963701

DR. DEAN BURGESS (M.D.)

Retina Specialist (Ophthalmology) Physician
2201 S. BRENTWOOD BLVD
NPI: 1194721134

Clinical Ophthalmology, Inc.

Ophthalmology Physician
9890, Clayton Road, Ladue, Saint Louis County, Missouri, 63124, United States
NPI: 1275539173