Doctor profile · Federal record

Dr. Maria Johnston, DNAP, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Wayne, MI

  • NPI 1649357443
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
33155 Annapolis St
Wayne, MI 481842405
(734) 467-4667
fax (734) 467-2303
Additional location
3330 Meijer Dr Ste 2
Toledo, OH 436173103
(419) 578-2020

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 27, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Michigan #4704180960 · Ohio #APRN.CRNA.0020289
Medicaid (3)
MI #4720000 · MI #4171070 · MI #4343657

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649357443. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
185
Distinct HCPCS
7
Medicare allowed
$13,149
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 57 54 $59
00811 Anesthesia for other procedure on large bowel using an endoscope 41 41 $72
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 30 29 $81
00145 Anesthesia for retinal surgery 17 17 $91
00813 Anesthesia for procedure on small and large bowel using an endoscope 16 16 $90
00811 Anesthesia for other procedure on large bowel using an endoscope 12 12 $60
00812 Anesthesia for exam of colon using an endoscope 12 12 $55

In context: peer comparison

Among 5 peers in Wayne Certified Registered Nurse Anesthetist, average services per provider: 20. This provider delivers 9.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Maria Johnston's medical specialty?
Dr. Maria Johnston practices Certified Registered Nurse Anesthetist in Wayne, MI.
Where does Dr. Maria Johnston practice?
Dr. Maria Johnston practices at 33155 Annapolis St, Wayne, MI 481842405. Office phone: 7344674667.
What is Dr. Maria Johnston's NPI?
Dr. Maria Johnston's National Provider Identifier (NPI) is 1649357443, issued by NPPES.
Does Dr. Maria Johnston accept Medicare assignment?
Yes. Dr. Maria Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Johnston commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.