Doctor profile · Federal record
Dr. Johannah Gregg, FNP-C
Family Nurse Practitioner (CMS: Nurse Practitioner) · Primary Care Nurse Practitioner · Mill City, OR
- NPI 1790456895
- Accepts Medicare
- 5 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
280 S 1St Ave
Mill City, OR 973602324
(503) 897-4100
fax (503) 897-2673
Credentials & registration
- NPI registered
- September 2021 — 5 yrs on file
- Profile last updated
- October 26, 2021
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Oregon #202110588NP-PP · Oregon #NA
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790456895. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$44
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
81002 |
Urinalysis, manual test | 13 | 11 | $3 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 13. This provider delivers 1.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,208
Patients
368
Total drug cost
$23,996
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 124 | 53 | $1,838 |
| Lisinopril | Generic | 120 | 34 | $1,465 |
| Losartan Potassium | Generic | 100 | 30 | $1,661 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 95 | 26 | $2,537 |
| Omeprazole | Generic | 92 | 32 | $3,096 |
| Gabapentin | Generic | 91 | 29 | $2,397 |
| Levothyroxine Sodium | Generic | 91 | 24 | $1,841 |
| Hydrochlorothiazide | Generic | 87 | 27 | $490 |
| Amlodipine Besylate | Generic | 69 | 26 | $986 |
| Furosemide | Generic | 61 | 14 | $532 |
Hospital affiliations
Frequently asked questions
What is Dr. Johannah Gregg's medical specialty?
Dr. Johannah Gregg practices Family Nurse Practitioner in Mill City, OR.
Where does Dr. Johannah Gregg practice?
Dr. Johannah Gregg practices at 280 S 1St Ave, Mill City, OR 973602324. Office phone: 5038974100.
What is Dr. Johannah Gregg's NPI?
Dr. Johannah Gregg's National Provider Identifier (NPI) is 1790456895, issued by NPPES.
Does Dr. Johannah Gregg accept Medicare assignment?
Yes. Dr. Johannah Gregg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johannah Gregg commonly perform?
Top Medicare-reported procedures in 2023: Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.