GRETCHEN JOHNS MD
NPI 1750301172
Pathology - Clinical Pathology/Laboratory Medicine in Jacksonville, FL

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment
76.2/100
CMS Quality Rating
4500 SAN PABLO RD S, JACKSONVILLE, FL 32224(904) 953-2000 Get Directions Write a Review

NPPES record last updated: October 7, 2020. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 7, 2020, Dec 13, 2017 (2 updates tracked since 2017).

About Gretchen Johns Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRETCHEN JOHNS MD (NPI 1750301172) is an individual clinical pathology/laboratory medicine provider in Jacksonville, Florida, licensed in Florida (ME102727) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Mayo Clinic, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1750301172
Entity TypeIndividualFemale
Primary Taxonomy207ZP0105X
Provider Legal NameGRETCHEN JOHNSCredential: MD
Location Address4500 SAN PABLO RD SJacksonville, FL 32224-1865
Mailing Address4500 San Pablo Rd SJacksonville, FL 32224-1865
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJuly 20, 2006
Last NPPES UpdateOctober 7, 20202 updates tracked since enumeration
NPPES CertifiedOctober 7, 2020
NPI 1750301172 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License Licensed in FL · ME102727
Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

4500 SAN PABLO RD S, Jacksonville, FL 32224

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gretchen Johns Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9032278353
PECOS Enrollment IDI20090124000073
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
16,273 services6,686 patients
Blood test, clotting time 85610
A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.
870 services220 patients
Blood creatinine level 82565
A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.
296 services295 patients
Automated urinalysis test 81003
An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.
276 services229 patients
Blood glucose (sugar) level 82947
A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.
153 services101 patients
Coagulation function screening test with interpretation and report 85390
A coagulation function screening test is a type of blood test that checks how well your blood clots. It's important because clotting helps prevent excessive bleeding. The test results are interpreted and a report is provided to help guide your doctor's treatment plan.
60 services55 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Mayo Clinic

Acute Care Hospitals · Jacksonville, FL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100151
Location4500 San Pablo RdJacksonville, FL 32224 · Duval County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$130.04 typical visit price
range $56.00 – $171.84
Typical copayment $32.51 (range $14.00 – $42.96)
Most-billed visit code 99204
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.2/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.33
Promoting Interoperability100
Improvement Activities40
Cost51.32

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker (Clinical)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Nurse Anesthetist, Certified Registered
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Endocrinology, Diabetes & Metabolism)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Emergency Medicine
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Colon & Rectal Surgery
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Internal Medicine (Critical Care Medicine)
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224
Family Medicine
4500 SAN PABLO RD S
JACKSONVILLE, FL 32224

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gretchen Johns's NPI number?

The NPI number for Gretchen Johns is 1750301172. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Gretchen Johns located?

Gretchen Johns practices at 4500 San Pablo Rd S, Jacksonville, FL 32224. The listed phone number is (904) 953-2000.

What is Gretchen Johns's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Gretchen Johns enrolled in Medicare?

Yes. Gretchen Johns is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Gretchen Johns affiliated with any hospitals?

According to CMS data, Gretchen Johns is affiliated with Mayo Clinic.

When was this NPI record last updated?

The NPPES record for Gretchen Johns was last updated on October 7, 2020. NPI Profile syncs with the weekly NPPES data releases published by CMS.