Doctor profile · Federal record

Dr. Adrian Whelan, Mb BCH BAO

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

  • NPI 1366977100
  • Accepts Medicare
  • MIPS 70.8 / 100 · 2023
  • 17 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
400 Parnassus Ave, Suite A701
San Francisco, CA 941432208
(415) 353-1551
fax (415) 353-8381
Additional location
St. Vincent's Univeristy Hospital, Elm Park
Dublin, Dublin D04 T6F4
003532214000
Mailing address
533 Parnassus Avenue, U404, Box 0532
San Francisco, CA 941430532

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
August 4, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (3)
California #A163343 · ZZ #357062 · California #PTAL

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366977100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,060
Distinct HCPCS
10
Medicare allowed
$146,862
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 428 178 $162
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 223 76 $134
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 122 51 $89
99443 Telephone medical discussion with physician, 21-30 minutes 65 40 $110
G2212 Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or 62 32 $35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 59 57 $195
99205 New patient office or other outpatient visit, 60-74 minutes 51 51 $204
99214 Established patient office or other outpatient visit, 30-39 minutes 22 22 $110
99238 Hospital discharge day management, 30 minutes or less 16 16 $92
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 12 11 $146

In context: peer comparison

Among 20 peers in San Francisco Nephrology Physician, average services per provider: 116. This provider delivers 9.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,467
Patients
520
Total drug cost
$404,838
Drug Type Claims Patients Total cost
Prednisone Generic 384 133 $3,220
Tacrolimus Generic 197 56 $41,350
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 139 47 $1,236
Cinacalcet Hcl Generic 104 25 $230,440
Mycophenolate Mofetil Generic 100 33 $9,712
Omeprazole Generic 84 31 $668
Valganciclovir Hcl Generic 78 34 $24,297
Tamsulosin Hcl Generic 68 22 $1,215
Lokelma (Sodium Zirconium Cyclosilicate) Brand 61 22 $64,681
Fluconazole Generic 59 44 $3,015

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Adrian Whelan's medical specialty?
Dr. Adrian Whelan practices Nephrology Physician in San Francisco, CA.
Where does Dr. Adrian Whelan practice?
Dr. Adrian Whelan practices at 400 Parnassus Ave, Suite A701, San Francisco, CA 941432208. Office phone: 4153531551.
What is Dr. Adrian Whelan's NPI?
Dr. Adrian Whelan's National Provider Identifier (NPI) is 1366977100, issued by NPPES.
Does Dr. Adrian Whelan accept Medicare assignment?
Yes. Dr. Adrian Whelan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Adrian Whelan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); 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.