Allison Spencer, D.O.
NPI 1659768489 · Internal Medicine Physician · Richland, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Spencer, D.O. is a Internal Medicine Physician provider in Richland, WA (NPI 1659768489).
Provider details
- NPI number
- 1659768489
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- OP60868055 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
579 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 Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 231 | $48 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 168 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 63 | $113 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 46 | $80 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 39 | $125 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 25 | 13 |
| Atorvastatin Calcium | 24 | 12 |
| Apixabanbrand: Eliquis | 15 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 13 | — |
| Furosemide | 13 | — |
| Sacubitril/Valsartanbrand: Entresto | 11 | — |
| Spironolactone |
Practice location
Mailing address
Additional practice locations (1)
- Loma Linda University11234 Anderson StreetLoma Linda, CA 92354-2741Phone: (909) 558-4074
Registry dates
- Enumerated
- 2015-04-20
- Last updated
- 2018-09-05
Frequently asked questions
- What is Allison Spencer's NPI number?
- Allison Spencer's National Provider Identifier (NPI) is 1659768489, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Spencer's specialty?
- Allison Spencer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Spencer located?
- Allison Spencer's practice location on file with NPPES is 888 Swift Blvd, Richland, WA 99352.
- What is Allison Spencer's phone number?
- The practice phone number listed in the NPPES registry for Allison Spencer is (509) 942-2909.
- Does Allison Spencer accept Medicare?
- Allison Spencer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Spencer's NPI active?
- Yes — Allison Spencer's NPI (1659768489) is active in the NPPES registry as of the last update on 2018-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.