Doctor profile · Federal record

Dr. Daniel Flaherty, DO

Internal Medicine Physician (CMS: Hospitalist) · Student in an Organized Health Care Education/Training Program · San Diego, CA

  • NPI 1396495040
  • Accepts Medicare
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4077 Fifth Ave # Mer-35
San Diego, CA 921032105
(619) 294-8111
Additional location
4094 4Th Ave
San Diego, CA 921032143
(619) 515-2545

Credentials & registration

NPPES · NUCC
NPI registered
March 2022 — 4 yrs on file
Profile last updated
July 11, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #20A21634

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396495040. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
GENZYME CORPORATION 1 $38.39
Alexion Pharmaceuticals, Inc. 1 $31.84
Novartis Pharmaceuticals Corporation 1 $25.87
Incyte Corporation 1 $21.97
JAZZ PHARMACEUTICALS INC. 1 $21.03

By nature of payment

Food and Beverage
$139

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Flaherty's medical specialty?
Dr. Daniel Flaherty practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Daniel Flaherty practice?
Dr. Daniel Flaherty practices at 4077 Fifth Ave # Mer-35, San Diego, CA 921032105. Office phone: 6192948111.
What is Dr. Daniel Flaherty's NPI?
Dr. Daniel Flaherty's National Provider Identifier (NPI) is 1396495040, issued by NPPES.
Does Dr. Daniel Flaherty accept Medicare assignment?
Yes. Dr. Daniel Flaherty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.