Doctor profile · Federal record

Dr. Daniel Piening, MD

Emergency Medicine Physician · Emergency Medicine Physician · Arcadia, CA

  • NPI 1003377946
  • 7 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 W Huntington Dr
Arcadia, CA 910073402
(626) 898-8000
Additional location
1830 E Monument St Ste 6-100
Baltimore, MD 212870020
(631) 525-1718
Mailing address
Po Box 31309
Los Angeles, CA 900310309

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
October 14, 2023
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #A184666 · Maryland #D93408

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003377946. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
180
Distinct HCPCS
3
Medicare allowed
$31,849
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 107 104 $181
99284 Emergency department visit with moderate level of medical decision making 38 37 $125
99291 Critical care, first 30-74 minutes 35 35 $222

In context: peer comparison

Among 7 peers in Arcadia Emergency Medicine Physician, average services per provider: 60. This provider delivers 3.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Daniel Piening's medical specialty?
Dr. Daniel Piening practices Emergency Medicine Physician in Arcadia, CA.
Where does Dr. Daniel Piening practice?
Dr. Daniel Piening practices at 300 W Huntington Dr, Arcadia, CA 910073402. Office phone: 6268988000.
What is Dr. Daniel Piening's NPI?
Dr. Daniel Piening's National Provider Identifier (NPI) is 1003377946, issued by NPPES.
What procedures does Dr. Daniel Piening commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.