Bethany Karl, D.O.
NPI 1790980472 · Nephrology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bethany Karl, D.O. is a Nephrology Physician provider in San Diego, CA (NPI 1790980472).
Provider details
- NPI number
- 1790980472
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A10783 (CA)
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 tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,018 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Mechanical Separation of Plasma From Blood36514 | 212 | $94 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 136 | $294 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 121 | $357 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 113 | $120 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 106 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 33 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 129 | 31 |
| Losartan Potassium | 90 | 32 |
| Amlodipine Besylate | 86 | 29 |
| Sevelamer Carbonate | 59 | 20 |
| Dapagliflozin Propanediolbrand: Farxiga | 55 | 12 |
| Furosemide | 53 | 21 |
| Bumetanide | 51 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$341 across 13 records (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
Registry dates
- Enumerated
- 2007-06-20
- Last updated
- 2017-08-25
Frequently asked questions
- What is Bethany Karl's NPI number?
- Bethany Karl's National Provider Identifier (NPI) is 1790980472, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bethany Karl's specialty?
- Bethany Karl is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Bethany Karl located?
- Bethany Karl's practice location on file with NPPES is 200 W Arbor Dr, San Diego, CA 92103-9001.
- What is Bethany Karl's phone number?
- The practice phone number listed in the NPPES registry for Bethany Karl is (619) 543-6222.
- Does Bethany Karl accept Medicare?
- Bethany Karl is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bethany Karl's NPI active?
- Yes — Bethany Karl's NPI (1790980472) is active in the NPPES registry as of the last update on 2017-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.