Doctor profile · Federal record

Dr. Jonathan Parker, M.D.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Batavia, IL

  • NPI 1548309982
  • Accepts Medicare
  • MIPS 63.3 / 100 · 2023
  • 25 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
815 N Randall RD
Batavia, IL 605101992
(630) 482-6600
Additional location
7651 Harvest Dr
Schererville, IN 463753476
(219) 322-5723

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
August 15, 2019
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Illinois #36069180 · Indiana #01082742A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548309982. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,347
Distinct HCPCS
10
Medicare allowed
$454,186
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,567 1,057 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 780 593 $92
J1885 Injection, ketorolac tromethamine, per 15 mg 451 86 $0
99204 New patient office or other outpatient visit, 45-59 minutes 395 395 $171
81002 Urinalysis, manual test 315 232 $3
87637 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 274 259 $140
99203 New patient office or other outpatient visit, 30-44 minutes 246 246 $116
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 230 213 $34
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 223 207 $16
96372 Injection of drug or substance under skin or into muscle 222 169 $14

In context: peer comparison

Among 7 peers in this city , average services per provider: 108. This provider delivers 59× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
375
Patients
369
Total drug cost
$4,751
Drug Type Claims Patients Total cost
Doxycycline Hyclate Generic 72 72 $1,274
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 47 45 $607
Methylprednisolone Generic 46 46 $430
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 45 44 $546
Azithromycin Generic 34 34 $189
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 30 28 $988
Cephalexin Generic 30 30 $322
Prednisone Generic 24 23 $83
Lagevrio (Eua) (Molnupiravir) Brand 14 14 $157
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 11 11 $64

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Parker's medical specialty?
Dr. Jonathan Parker practices Family Medicine Physician in Batavia, IL.
Where does Dr. Jonathan Parker practice?
Dr. Jonathan Parker practices at 815 N Randall RD, Batavia, IL 605101992. Office phone: 6304826600.
What is Dr. Jonathan Parker's NPI?
Dr. Jonathan Parker's National Provider Identifier (NPI) is 1548309982, issued by NPPES.
Does Dr. Jonathan Parker accept Medicare assignment?
Yes. Dr. Jonathan Parker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Parker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Injection, ketorolac tromethamine, per 15 mg (HCPCS J1885). Source: CMS Medicare Physician & Other Practitioners file.