Doctor profile · Federal record

Dr. Bethany Karl, D.O.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · San Diego, CA

  • NPI 1790980472
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 921039001
(619) 543-6222
Mailing address
Po Box 232410
San Diego, CA 921932410

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
August 25, 2017
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #20A10783

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790980472. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,155
Distinct HCPCS
10
Medicare allowed
$185,129
HCPCS Description Services Patients Avg allowed
36514 Mechanical separation of plasma from blood 262 36 $96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 234 75 $123
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 131 53 $82
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 115 17 $376
90966 Home dialysis services per month (20 years or older) 113 21 $316
99214 Established patient office or other outpatient visit, 30-39 minutes 89 62 $106
99215 Established patient office or other outpatient visit, 40-54 minutes 83 43 $143
90935 Hemodialysis procedure with physician evaluation 32 19 $74
36522 Mechanical separation of white blood cells and platelets from blood 31 11 $100
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 27 18 $314

In context: peer comparison

Among 17 peers in this city , average services per provider: 157. This provider delivers 7.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$341
Transactions
13
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Aurinia Pharma U.S., Inc. 5 $198.00
Alexion Pharmaceuticals, Inc. 1 $82.84
Novartis Pharmaceuticals Corporation 1 $44.98
Travere Therapeutics, Inc. 6 $15.54

By nature of payment

Food and Beverage
$326
Education
$16

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
654
Patients
194
Total drug cost
$101,626
Drug Type Claims Patients Total cost
Calcitriol Generic 93 25 $2,376
Farxiga (Dapagliflozin Propanediol) Brand 68 12 $62,673
Amlodipine Besylate Generic 63 29 $891
Nifedipine Er (Nifedipine) Brand 59 18 $3,975
Sevelamer Carbonate Generic 57 16 $22,069
Losartan Potassium Generic 43 17 $928
Furosemide Generic 40 17 $383
Allopurinol Generic 36 13 $568
Carvedilol Generic 32 13 $597
Gabapentin Generic 32 11 $758

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bethany Karl's medical specialty?
Dr. Bethany Karl practices Nephrology Physician in San Diego, CA.
Where does Dr. Bethany Karl practice?
Dr. Bethany Karl practices at 200 W Arbor Dr, San Diego, CA 921039001. Office phone: 6195436222.
What is Dr. Bethany Karl's NPI?
Dr. Bethany Karl's National Provider Identifier (NPI) is 1790980472, issued by NPPES.
Does Dr. Bethany Karl accept Medicare assignment?
Yes. Dr. Bethany Karl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bethany Karl commonly perform?
Top Medicare-reported procedures in 2023: Mechanical separation of plasma from blood (HCPCS 36514); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.