Spencer Mamer, MD, PHD
NPI 1952051138 · Family Medicine Physician · Battle Ground, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Mamer, MD, PHD is a Family Medicine Physician provider in Battle Ground, WA (NPI 1952051138).
Provider details
- NPI number
- 1952051138
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0072254 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
4 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 54 | 20 |
| Lisinopril | 43 | 14 |
| Metformin Hcl | 36 | — |
| Amlodipine Besylate | 31 | — |
| Omeprazole | 24 | — |
| Gabapentin | 22 | — |
| Tamsulosin Hcl | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$8 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 10100 Se Sunnyside RdClackamas, OR 97015-8970Phone: (503) 813-2000
Registry dates
- Enumerated
- 2022-03-28
- Last updated
- 2025-07-11
- Certified
- 2025-07-11
Frequently asked questions
- What is Spencer Mamer's NPI number?
- Spencer Mamer's National Provider Identifier (NPI) is 1952051138, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Mamer's specialty?
- Spencer Mamer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Mamer located?
- Spencer Mamer's practice location on file with NPPES is 720 W Main St Ste 115, Battle Ground, WA 98604-4474.
- What is Spencer Mamer's phone number?
- The practice phone number listed in the NPPES registry for Spencer Mamer is (503) 813-2000.
- Does Spencer Mamer accept Medicare?
- Spencer Mamer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Mamer's NPI active?
- Yes — Spencer Mamer's NPI (1952051138) is active in the NPPES registry as of the last update on 2025-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.