Doctor profile · Federal record
Dr. Marianne Guthrie
Nurse Practitioner · O Fallon, IL
- NPI 1609313758
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3 Saint Elizabeth Blvd Ste 200
O Fallon, IL 622691281
(618) 234-2120
Credentials & registration
- NPI registered
- January 2017 — 9 yrs on file
- Profile last updated
- December 29, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Illinois #209015404
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609313758. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
400
Distinct HCPCS
5
Medicare allowed
$37,931
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 134 | 125 | $83 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 119 | 119 | $114 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 63 | 60 | $124 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 48 | 48 | $72 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 36 | 36 | $57 |
In context: peer comparison
Among 6 peers in O Fallon Nurse Practitioner, average services per provider: 86. This provider delivers 4.7× the peer median.Frequently asked questions
What is Dr. Marianne Guthrie's medical specialty?
Dr. Marianne Guthrie practices Nurse Practitioner in O Fallon, IL.
Where does Dr. Marianne Guthrie practice?
Dr. Marianne Guthrie practices at 3 Saint Elizabeth Blvd Ste 200, O Fallon, IL 622691281. Office phone: 6182342120.
What is Dr. Marianne Guthrie's NPI?
Dr. Marianne Guthrie's National Provider Identifier (NPI) is 1609313758, issued by NPPES.
Does Dr. Marianne Guthrie accept Medicare assignment?
Yes. Dr. Marianne Guthrie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianne Guthrie commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.