Doctor profile · Federal record

Dr. Joachim IX, M.D.

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

  • NPI 1720017536
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
200 W Arbor Dr
San Diego, CA 92103
(800) 926-8273
Additional location
400 Parnassus Ave # 0532
San Francisco, CA 941432202
(415) 476-2172
fax (415) 476-3381
Additional location
9300 Campus Point Dr
La Jolla, CA 920371300
fax (888) 539-8781
Show 1 more location
Additional location
9350 Campus Point Dr
La Jolla, CA 920371300
fax (888) 539-8781
Mailing address
File 57326
Los Angeles, CA 900747326

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 3, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
California #A77110
Medicaid
CA #00A771100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720017536. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
52
Distinct HCPCS
1
Medicare allowed
$4,254
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 52 13 $82

In context: peer comparison

Among 17 peers in San Diego Nephrology Physician, average services per provider: 157. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,128
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Marinus Pharmaceuticals, INC. 1 $1,125.00
Travere Therapeutics, INC. 1 $3.08

By nature of payment

Consulting Fee
$1,125
Education
$3

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
38
Patients
0
Total drug cost
$579
Drug Type Claims Patients Total cost
Lisinopril Generic 15 0 $191
Nifedipine ER (Nifedipine) Brand 12 0 $313
Clonidine Hcl Generic 11 0 $75

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joachim IX's medical specialty?
Dr. Joachim IX practices Nephrology Physician in San Diego, CA.
Where does Dr. Joachim IX practice?
Dr. Joachim IX practices at 200 W Arbor Dr, San Diego, CA 92103. Office phone: 8009268273.
What is Dr. Joachim IX's NPI?
Dr. Joachim IX's National Provider Identifier (NPI) is 1720017536, issued by NPPES.
Does Dr. Joachim IX accept Medicare assignment?
Yes. Dr. Joachim IX accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joachim IX commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.