Maria Johnson, M.D.
NPI 1174043517 · Family Medicine Physician · Klamath Falls, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Johnson, M.D. is a Family Medicine Physician provider in Klamath Falls, OR (NPI 1174043517).
Provider details
- NPI number
- 1174043517
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- R-11056 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
177 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $95 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 29 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $77 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 24 | $127 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 24 | $48 |
| Hospital Discharge Day Management, 30 Minutes Or Less |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 66 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 171 | 53 |
| Atorvastatin Calcium | 144 | 45 |
| Levothyroxine Sodium | 123 | 38 |
| Rosuvastatin Calcium | 115 | 34 |
| Amlodipine Besylate | 109 | 33 |
| Losartan Potassium | 107 | 29 |
| Hydrochlorothiazide |
Practice location
Mailing address
Additional practice locations (1)
- 2501 Pierce StSioux City, IA 51104-3725Phone: (712) 294-5000Fax: (712) 294-5091
Registry dates
- Enumerated
- 2017-06-27
- Last updated
- 2022-07-21
- Certified
- 2020-09-01
Frequently asked questions
- What is Maria Johnson's NPI number?
- Maria Johnson's National Provider Identifier (NPI) is 1174043517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Johnson's specialty?
- Maria Johnson is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Johnson located?
- Maria Johnson's practice location on file with NPPES is 2821 Daggett Ave Ste 200, Klamath Falls, OR 97601-1130.
- What is Maria Johnson's phone number?
- The practice phone number listed in the NPPES registry for Maria Johnson is (541) 274-8400.
- Does Maria Johnson accept Medicare?
- Maria Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Johnson's NPI active?
- Yes — Maria Johnson's NPI (1174043517) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.