GRETCHEN JOHNS (MD) – Clinical Pathology/Laboratory Medicine Physician, NPI 1750301172

GRETCHEN JOHNS (MD) is a healthcare provider. based in Jacksonville, Florida. specializing in PATHOLOGY. They hold the professional credentials MD. They hold a License No. ME102727 (FL). The NPI Number for GRETCHEN JOHNS (MD) is 1750301172

Main info

Female
31 Years Of Experience
Accepts Medicare Assignment
Name
GRETCHEN JOHNS (MD)
NPI
1750301172
Phone
Not provided
Address
4500 SAN PABLO RD S
Enumeration Date
20 July 2006
Last Update Date
7 October 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9049532000
Graduation Year
1995 (31 years ago)
PAC ID
9032278353
Group Practice PAC ID
5698689297
Professional Enrollment ID
I20090124000073
Address ID
FL322241865JA4500XSXXX500

Contacts

Secure Messaging
gjohns391238@ehrdirect.mayoclinicmsg.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience62
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

960 PATHOLOGY in FL

Loading map...

Provider Addresses for GRETCHEN JOHNS (MD)

  • San Pablo Road South, San Pablo, Jacksonville, Duval County, Florida, 32224, United States

    JACKSONVILLE, FL 322241865

    Phone:

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

CMS reports 3 Open Payments records for all available years, with a total value of $33.

Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.

Last reported payment date: 2023-06-08 • Largest payer in this snapshot: Werfen USA LLC ($33).

Total Amount

$33

General + Research + Ownership

Payments

3

Total payment records

General Amount

$33

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-06-08

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Werfen USA LLC$33
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: 2009-01-24

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
I20090124000073IPathologyFLTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36415Insertion of needle into vein for collection of blood sample57,09522,791$0
85610Blood test, clotting time9,3003,566$0
82565Blood creatinine level2,9912,530$0
81050Urine volume measurement1,1551,001$0
85730Coagulation assessment blood test, plasma or whole blood848794$0
View full utilization report →

Insurance plans in this area (ZIP 32224)

Loading plans...

Provider's Procedures

GRETCHEN JOHNS (MD) performs procedures in PATHOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PATHOLOGYFL85610Blood test, clotting time8865860

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: 5698689297View full group profile
NameSpecialtyState
Physician AssistantFL
G A S T R O E N T E R O L O G YFL
Orthopedic SurgeryFL
Internal MedicineFL
Certified Registered Nurse Anesthetist (Crna)FL
Certified Registered Nurse Anesthetist (Crna)FL
Physician AssistantFL
Nurse PractitionerFL
-FL
Certified Registered Nurse Anesthetist (Crna)FL

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 is GRETCHEN JOHNS (MD)'s NPI number?
GRETCHEN JOHNS (MD)'s NPI is 1750301172 — the number used across U.S. healthcare to identify this provider.
Would GRETCHEN JOHNS (MD) appear as active to a payer?
You can treat GRETCHEN JOHNS (MD) as active for directory purposes; confirm clinical privileges separately.
How would a patient describe GRETCHEN JOHNS (MD)'s focus?
For GRETCHEN JOHNS (MD), the primary taxonomy reads as Clinical Pathology/Laboratory Medicine Physician. Clinical services aligned with this taxonomy classification.
Is GRETCHEN JOHNS (MD) associated with Jacksonville?
Public fields place GRETCHEN JOHNS (MD) around Jacksonville, Florida. Always confirm the exact site before visiting.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

Similar Providers

SANDRA S RICHTER (MD)

Clinical Pathology/Laboratory Medicine Physician
University of Iowa Hospitals & Clinics, 200, Hawkins Drive, Iowa City, Johnson County, Iowa, 52245, United States
NPI: 1528056322

ABBA ZUBAIR (MD)

Clinical Pathology/Laboratory Medicine Physician
San Pablo Road South, San Pablo, Jacksonville, Duval County, Florida, 32224, United States
NPI: 1124018049

DR. NAUMAN NISAR (MD)

Clinical Pathology/Laboratory Medicine Physician
PO BOX 44008
NPI: 1962486530

MARK EDGAR (MD)

Clinical Pathology/Laboratory Medicine Physician
1275 York Ave
NPI: 1639159437

PATRICIA I DELGADO (MD)

Clinical Pathology/Laboratory Medicine Physician
PO BOX 3093
NPI: 1003888165

DR. WALTER LINZ (M.D.)

Anatomic Pathology & Clinical Pathology Physician
Baylor Scott & White Medical Center - Temple, 2401, South 31st Street, Temple, Bell County, Texas, 76508, United States
NPI: 1184685356

YAO-SHAN FAN (MD, PHD)

Clinical Pathology/Laboratory Medicine Physician
1601 NW 12th Ave
NPI: 1326098500

DR. JEFFREY SAMUEL DLOTT (M.D.)

Clinical Pathology/Laboratory Medicine Physician
14225 Newbrook Dr
NPI: 1841351566

DR. BRYAN JOSEPH DANGOTT (M.D.)

Clinical Pathology/Laboratory Medicine Physician
600 Moye Blvd
NPI: 1639340045