Jennifer Keiser
NPI 1144684465 · Internal Medicine Physician · Tigard, OR
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Keiser is a Internal Medicine Physician provider in Tigard, OR (NPI 1144684465).
Provider details
- NPI number
- 1144684465
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,829 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) |
|---|---|---|
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 317 | $8 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 282 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 262 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 259 | $10 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 204 | $136 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 158 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Dexamethasone | 35 | 16 |
| Apixabanbrand: Eliquis | 29 | — |
| Lenalidomide | 27 | — |
| Hydroxyurea | 26 | — |
| Prochlorperazine Maleate | 26 | 19 |
| Levothyroxine Sodium | 24 | — |
| Acyclovir | 22 | — |
| Loperamide Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-12
- Last updated
- 2023-07-17
- Certified
- 2023-07-17
Frequently asked questions
- What is Jennifer Keiser's NPI number?
- Jennifer Keiser's National Provider Identifier (NPI) is 1144684465, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Keiser's specialty?
- Jennifer Keiser is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jennifer Keiser located?
- Jennifer Keiser's practice location on file with NPPES is 12123 Sw 69th Ave, Tigard, OR 97223-8514.
- What is Jennifer Keiser's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Keiser is (971) 708-7600.
- Does Jennifer Keiser accept Medicare?
- Jennifer Keiser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Keiser's NPI active?
- Yes — Jennifer Keiser's NPI (1144684465) is active in the NPPES registry as of the last update on 2023-07-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.