Doctor profile · Federal record
Dr. Melissa Merrigan
Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Klamath Falls, OR
- NPI 1871114306
- Accepts Medicare
- 5 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2821 Daggett Ave Ste 100
Klamath Falls, OR 976011130
(541) 274-6733
Credentials & registration
- NPI registered
- May 2020 — 6 yrs on file
- Profile last updated
- February 20, 2026
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Oregon #202007154NP-PP · Washington #ARNP.AP.70085555-NP
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1871114306. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
299
Distinct HCPCS
4
Medicare allowed
$22,839
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 127 | 104 | $53 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 118 | 85 | $79 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 33 | 33 | $130 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 21 | 12 | $117 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 73. This provider delivers 4.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
786
Patients
275
Total drug cost
$16,457
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 93 | 38 | $1,985 |
| Levothyroxine Sodium | Generic | 84 | 29 | $1,070 |
| Amlodipine Besylate | Generic | 71 | 28 | $717 |
| Lisinopril | Generic | 64 | 25 | $515 |
| Omeprazole | Generic | 61 | 20 | $1,922 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 58 | 24 | $4,039 |
| Gabapentin | Generic | 51 | 24 | $1,565 |
| Fluoxetine Hcl | Generic | 49 | 14 | $1,149 |
| Metformin Hcl | Generic | 46 | 20 | $485 |
| Methocarbamol | Generic | 38 | 0 | $470 |
Hospital affiliations
Frequently asked questions
What is Dr. Melissa Merrigan's medical specialty?
Dr. Melissa Merrigan practices Family Nurse Practitioner in Klamath Falls, OR.
Where does Dr. Melissa Merrigan practice?
Dr. Melissa Merrigan practices at 2821 Daggett Ave Ste 100, Klamath Falls, OR 976011130. Office phone: 5412746733.
What is Dr. Melissa Merrigan's NPI?
Dr. Melissa Merrigan's National Provider Identifier (NPI) is 1871114306, issued by NPPES.
Does Dr. Melissa Merrigan accept Medicare assignment?
Yes. Dr. Melissa Merrigan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Merrigan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.