Dr. Daniel Piening, MD

  • Arcadia, CA
  • Emergency medicine physician
NPI1003377946
Medicare services, 2024
529
Medicare patients, 2024
499
Part D claims, 2024
130
Hospital affiliations
2
Medical group
1
Practice address
300 W Huntington Dr, Arcadia, CA 91007
Practice phone
Call (626) 898-8000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

USC Arcadia Hospital

Hospital · Arcadia, California

See all 3 affiliations

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Dr. Daniel Piening is an emergency medicine physician in Arcadia, California

Dr. Piening practices at USC Arcadia Hospital in Arcadia, California, part of University of Southern California.

Dr. Piening's NPI, 1003377946, was assigned on March 25, 2019. Dr. Piening graduated from Emory School of Medicine in 2019. Dr. Piening holds California license A184666.

NPI and contact details
NPI enumeration date
March 25, 2019
NPI status
Active
Practice phone
(626) 898-8000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Daniel Piening practices at USC Arcadia Hospital in Arcadia, California

Dr. Piening's primary practice is USC Arcadia Hospital, at 300 W Huntington Dr, Arcadia, CA 91007 in Los Angeles County. The practice phone is (626) 898-8000.

  • USC Arcadia Hospital
    300 W Huntington Dr, Arcadia, CA 91007 · Los Angeles CountyPhone(626) 898-8000

Source: Dmand AI Affiliation Data

Dr. Daniel Piening is affiliated with 2 sites of care and 1 medical group

Dr. Piening's primary practice is USC Arcadia Hospital in Arcadia, California, part of University of Southern California. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Piening to 1 more hospital, named with a free account.

See all 3 affiliations for Dr. Piening

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Daniel Piening's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Piening practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
USC Arcadia HospitalAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel Piening is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Piening's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Piening is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Piening's licenses on file in 2 states: California and Maryland.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense A184666 · 2023 to 2027 · taxonomy 207P00000X
  • Maryland licenseLicense D93408 · 2022 to 2023

Emergency medicine physicians near Dr. Piening

Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Daniel Piening billed Medicare for 529 services in 2024

CMS data shows 529 Medicare services from Dr. Piening across 5 procedure codes in 2024, for 499 Medicare patients. Medicare paid $63,714 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024529
Medicare patients499
Paid by Medicare$63,714
Procedure codes5

Dr. Piening's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1802024: 513185%
Tests and treatments
2023: 02024: 16

Dr. Piening compared with the California median for emergency medicine physicians, 2024

  • Dr. Piening
  • California median
Medicare services
529vs 265100% above
Medicare patients
499vs 2432.1 times
Part D claims
23vs 6263% below

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Piening's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Piening

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Daniel Piening treated 499 Medicare patients in 2024, average age 78

CMS counts 499 Medicare patients who saw Dr. Piening in 2024. The largest group is 75 to 84, with 169 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Piening's median patient age at 54, with 55% women.

Medicare patients, 2024499
Average age78
Average risk score2.67
Also on Medicaid60%

Dr. Piening's Medicare patients by age, 2024

Dr. Piening's Medicare patients by sex, 2024

  • Women26854%
  • Men23146%

Chronic conditions among Dr. Piening's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis63%
  4. Diabetes60%
  5. Chronic kidney disease49%
  6. Ischemic heart disease46%
  7. Heart failure41%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Dr. Piening's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel Piening wrote 130 Medicare Part D claims in 2024

In 2024, Dr. Piening wrote 130 Medicare Part D claims for 103 patients. 96% of them were for generic drugs. CMS names the drug for 23 of them, across 1 drug with 11 or more claims each, at $85 in total drug cost.

Part D claims, 2024130
Drugs named by CMS1
Total drug cost$85
Part D patients103

Dr. Piening's Part D claims by kind of drug, 2024

  • Generic125 claims96%
  • Brand-name and other5 claims4%

Dr. Piening's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Piening's Part D claims, 2024

  • Opioids8%11 of 130 claims
  • Antibiotics48%63 of 130 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Dr. Piening

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Daniel Piening graduated from Emory School of Medicine

Dr. Piening graduated from Emory School of Medicine in 2019.

  1. Medical schoolEmory School of Medicine
  2. Board certified in emergency medicineAmerican Board of Emergency Medicine

Source: Dmand AI Professional Profile Data

Dr. Daniel Piening accepts plans from 6 insurance carriers

Dr. Piening is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

  • Blue Cross Blue Shield of Michigan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Regence Health Plans
  • CMS Medicare
  • Molina

Plan types Dr. Piening accepts, by number of carriers

  1. Medicare6
  2. PPO4
  3. HMO1
  4. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel Piening's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Daniel Piening

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Daniel Piening's NPI number?

Dr. Daniel Piening's NPI number is 1003377946. It was assigned on March 25, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel Piening?

Dr. Daniel Piening is an emergency medicine physician in Arcadia, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. Daniel Piening practice?

Dr. Piening practices at 300 W Huntington Dr, Arcadia, CA 91007. Dr. Piening's primary practice is USC Arcadia Hospital in Arcadia, California, part of University of Southern California. Dmand AI also links Dr. Piening to 1 hospital.

What is Dr. Daniel Piening's office phone number?

The practice phone on file for Dr. Piening is (626) 898-8000.

What is Dr. Daniel Piening's medical license number?

Dr. Piening holds California license A184666, one of the licenses on file in 2 states.

Which states has Dr. Daniel Piening been licensed in?

Dmand AI has state licenses on file for Dr. Piening in California (2023 to 2027) and Maryland (2022 to 2023).

Which hospitals is Dr. Daniel Piening affiliated with?

Dr. Piening practices at USC Arcadia Hospital in Arcadia, California. Dmand AI links Dr. Piening to 1 more hospital.

What medical group is Dr. Daniel Piening part of?

Dr. Piening is linked to USC Care Medical Group.

Does Dr. Daniel Piening accept Medicare?

Yes. CMS data shows Dr. Piening billed Medicare for 529 services in 2024.

How many Medicare patients does Dr. Daniel Piening see?

CMS counts 499 Medicare patients who saw Dr. Piening in 2024, with an average age of 78.

Show 6 more questionsShow fewer questions

Is Dr. Daniel Piening board certified?

Yes. Dr. Piening is board certified in emergency medicine by the American Board of Emergency Medicine.

What services does Dr. Daniel Piening bill to Medicare?

In 2024, Dr. Piening's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).

Where did Dr. Daniel Piening go to medical school?

Dr. Piening graduated from Emory School of Medicine in 2019.

What drugs does Dr. Daniel Piening prescribe most?

In 2024 Medicare Part D data, Dr. Piening's most prescribed drugs by claims were Cephalexin.

How long has Dr. Daniel Piening been practicing?

Dr. Piening graduated from medical school in 2019, 7 years ago.

What insurance does Dr. Daniel Piening accept?

Dr. Piening is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.

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