DR. JOHN PROSPERO GRESH (MD) – Specialist, NPI 1700888559

DR. JOHN PROSPERO GRESH (MD) is a healthcare provider. based in Ocala, Florida. specializing in Specialist. They hold the professional credentials MD. They hold a License No. 0049373 (FL). The NPI Number for DR. JOHN PROSPERO GRESH (MD) is 1700888559

Main info

Male
Sole Proprietor
41 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN PROSPERO GRESH (MD)
NPI
1700888559
Phone
(352) 861-0100
Address
3301 SW 34TH CIR
Enumeration Date
11 August 2005
Last Update Date
29 January 2014

Doctor Profile

Medical School Name
UNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Secondary Phone
3528610100
Graduation Year
1985 (41 years ago)
PAC ID
1951384429
Group Practice PAC ID
4880830322
Professional Enrollment ID
I20040608000591
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

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Provider Addresses for DR. JOHN PROSPERO GRESH (MD)

  • 3301, Southwest 34th Circle, Ocala, Marion County, Florida, 34474, United States

    SUITE 101

    OCALA, FL 344746621

    Phone: (352) 861-0100

    Fax: (352) 861-1119

    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)

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: 2004-06-08

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
I20040608000591IRheumatologyFLTBD

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 34474)

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Provider's Procedures

DR. JOHN PROSPERO GRESH (MD) performs procedures in Specialist. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RHEUMATOLOGYFL20610Aspiration and/or injection of large joint or joint capsule304169

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: 4880830322View full group profile
NameSpecialtyState
-FL

Reviews

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Frequently asked questions

What is the registry number for DR. JOHN PROSPERO GRESH (MD)?
The registry entry for DR. JOHN PROSPERO GRESH (MD) shows NPI 1700888559.
Is DR. JOHN PROSPERO GRESH (MD)'s NPI status active today?
Active status means DR. JOHN PROSPERO GRESH (MD)'s NPI record is not deactivated in the public file.
Which specialty label fits DR. JOHN PROSPERO GRESH (MD)?
NPPES ties DR. JOHN PROSPERO GRESH (MD) to Other Service Providers in the taxonomy section. Clinical services aligned with this taxonomy classification.
Is DR. JOHN PROSPERO GRESH (MD) tied to Ocala, Florida?
If you are local to Ocala, Florida, DR. JOHN PROSPERO GRESH (MD) may be relevant to your search.
Why is information missing for DR. JOHN PROSPERO GRESH (MD)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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