Doctor profile · Federal record
Dr. Margaret Ngumi, FNP-C PMHNP-BC
Psychiatric/Mental Health Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Psychiatric/Mental Health Nurse Practitioner · Olympia, WA
- NPI 1558701458
- Accepts Medicare
- MIPS 90.2 / 100 · 2023
- 4 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
400 Union Ave Se Ste 200
Olympia, WA 985012060
(833) 351-8255
fax (770) 704-2765 - Mailing address
-
707 Whitlock Ave Sw Ste A40
Marietta, GA 300644654
Credentials & registration
- NPI registered
- June 2013 — 13 yrs on file
- Profile last updated
- August 1, 2025
- Year of graduation
- 2022 — 4 yrs since
- Specialty taxonomy
- 363LP0808X — NUCC code
- State licenses (2)
- Georgia #RN203586 · Washington #AP61321033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558701458. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
119
Distinct HCPCS
4
Medicare allowed
$9,451
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 62 | 26 | $65 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 23 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 20 | 20 | $105 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 14 | 12 | $108 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 111. This provider delivers 1.1× the peer median.Open Payments
Industry payments received
All-time total
$63
Transactions
4
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Dynavax Technologies Corporation | 1 | $20.00 | |
| GlaxoSmithKline, LLC. | 1 | $14.88 | |
| Novo Nordisk Inc | 1 | $14.15 | |
| Exact Sciences Corporation | 1 | $13.68 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
280
Patients
60
Total drug cost
$3,560
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 47 | 17 | $680 |
| Amlodipine Besylate | Generic | 35 | 20 | $236 |
| Metformin Hcl | Generic | 28 | 12 | $375 |
| Losartan Potassium | Generic | 24 | 11 | $365 |
| Levothyroxine Sodium | Generic | 23 | 0 | $149 |
| Escitalopram Oxalate | Generic | 20 | 0 | $302 |
| Sertraline Hcl | Generic | 20 | 0 | $137 |
| Lisinopril | Generic | 17 | 0 | $275 |
| Rosuvastatin Calcium | Generic | 15 | 0 | $97 |
| Trazodone Hcl | Generic | 15 | 0 | $239 |
Frequently asked questions
What is Dr. Margaret Ngumi's medical specialty?
Dr. Margaret Ngumi practices Psychiatric/Mental Health Nurse Practitioner in Olympia, WA.
Where does Dr. Margaret Ngumi practice?
Dr. Margaret Ngumi practices at 400 Union Ave Se Ste 200, Olympia, WA 985012060. Office phone: 8333518255.
What is Dr. Margaret Ngumi's NPI?
Dr. Margaret Ngumi's National Provider Identifier (NPI) is 1558701458, issued by NPPES.
Does Dr. Margaret Ngumi accept Medicare assignment?
Yes. Dr. Margaret Ngumi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Ngumi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.