Mary Gumbo, ARNP
NPI 1962928861 · Adult Health Nurse Practitioner · Tumwater, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Gumbo, ARNP is a Adult Health Nurse Practitioner provider in Tumwater, WA (NPI 1962928861).
Provider details
- NPI number
- 1962928861
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- AP60786406 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
67 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 45 | $98 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 22 | $98 |
Typical Medicare-allowed amounts for these services range $98–$98 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 98 | 24 |
| Losartan Potassium | 71 | 16 |
| Amlodipine Besylate | 69 | 13 |
| Lisinopril | 61 | 19 |
| Omeprazole | 49 | — |
| Quetiapine Fumarate | 42 | 17 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-08-22
- Last updated
- 2024-07-25
- Certified
- 2024-07-25
Frequently asked questions
- What is Mary Gumbo's NPI number?
- Mary Gumbo's National Provider Identifier (NPI) is 1962928861, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Gumbo's specialty?
- Mary Gumbo is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Gumbo located?
- Mary Gumbo's practice location on file with NPPES is 344 Cleveland Ave Se Ste a, Tumwater, WA 98501-3342.
- What is Mary Gumbo's phone number?
- The practice phone number listed in the NPPES registry for Mary Gumbo is (425) 200-0654.
- Does Mary Gumbo accept Medicare?
- Mary Gumbo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Gumbo's NPI active?
- Yes — Mary Gumbo's NPI (1962928861) is active in the NPPES registry as of the last update on 2024-07-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.