Doctor profile · Federal record
Dr. Gretchen Johns, MD
Clinical Pathology/Laboratory Medicine Physician (CMS: Pathology) · Jacksonville, FL
- NPI 1750301172
- Accepts Medicare
- MIPS 76.2 / 100 · 2023
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4500 San Pablo RD S
Jacksonville, FL 322241865
(904) 953-2000
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 7, 2020
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207ZP0105X — NUCC code
- State license (1)
- Florida #ME102727
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750301172. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
72,474
Distinct HCPCS
10
Medicare allowed
$554,360
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
36415 |
Insertion of needle into vein for collection of blood sample | 57,095 | 22,791 | $8 | |
85610 |
Blood test, clotting time | 9,300 | 3,566 | $4 | |
82565 |
Blood creatinine level | 2,991 | 2,530 | $5 | |
81050 |
Urine volume measurement | 1,155 | 1,001 | $4 | |
85730 |
Coagulation assessment blood test, plasma or whole blood | 848 | 794 | $6 | |
81003 |
Automated urinalysis test | 248 | 214 | $2 | |
85379 |
Coagulation function measurement, d-dimer; quantitative | 135 | 127 | $10 | |
82947 |
Blood glucose (sugar) level | 121 | 99 | $4 | |
80053 |
Blood test, comprehensive group of blood chemicals | 110 | 108 | $10 | |
85384 |
Fibrinogen (factor 1) activity measurement | 69 | 48 | $10 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 1,300. This provider delivers 56× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Gretchen Johns's medical specialty?
Dr. Gretchen Johns practices Clinical Pathology/Laboratory Medicine Physician in Jacksonville, FL.
Where does Dr. Gretchen Johns practice?
Dr. Gretchen Johns practices at 4500 San Pablo RD S, Jacksonville, FL 322241865. Office phone: 9049532000.
What is Dr. Gretchen Johns's NPI?
Dr. Gretchen Johns's National Provider Identifier (NPI) is 1750301172, issued by NPPES.
Does Dr. Gretchen Johns accept Medicare assignment?
Yes. Dr. Gretchen Johns accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Johns commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Blood test, clotting time (HCPCS 85610); Blood creatinine level (HCPCS 82565). Source: CMS Medicare Physician & Other Practitioners file.