Dr. Daniel G. Arkfeld, MD

  • Los Angeles, CA
  • Rheumatologist
NPI1780610105PAC ID7416037981
Medicare services, 2024
663
Medicare patients, 2024
252
Part D claims, 2024
2,261
Publications
1
Hospital affiliations
2
Practice address
1500 San Pablo Street, Los Angeles, CA 90033
Practice phone
Call (323) 442-8656
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Keck Hospital of USC

Hospital · Los Angeles, California

See all 6 affiliations

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Dr. Daniel G. Arkfeld is a rheumatologist in Los Angeles, California

Dr. Arkfeld practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.

Dr. Arkfeld's NPI, 1780610105, was assigned on June 25, 2006. Dr. Arkfeld graduated from David Geffen School of Medicine at UCLA in 1986. Dr. Arkfeld holds California license G61240.

NPI and contact details
Medicare PAC ID
7416037981
NPI enumeration date
June 25, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(323) 442-8656
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
66
Medical school graduation
1986

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Daniel G. Arkfeld practices at Keck Hospital of USC in Los Angeles, California

Dr. Arkfeld's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.

  • Keck Hospital of USC
    1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656

Source: Dmand AI Affiliation Data

Dr. Daniel G. Arkfeld is affiliated with 5 sites of care and 1 medical group

Dr. Arkfeld's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Arkfeld is also affiliated with USC Verdugo Hills Hospital. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Arkfeld to 1 more group practice or clinic, 1 other site and 1 urgent care center, each named with a free account.

See all 6 affiliations for Dr. Arkfeld

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Arkfeld practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Keck Hospital of USCAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel G. Arkfeld is one of 821 rheumatologists in California

Rheumatology is Dr. Arkfeld's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Arkfeld is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Arkfeld's licenses on file in 2 states: California and Hawaii.

Specialties and state licenses

  • Rheumatology, CaliforniaPrimaryLicense G61240 · 1987 to 2027 · taxonomy 207RR0500X
  • Hawaii license1987 to 1988

Clinical focus

Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, joint pain, lupus and muscle pain, fibromyalgia, and limb pain among the conditions Dr. Arkfeld treats.

Rheumatologists near Dr. Arkfeld

Counts of rheumatologists 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 G. Arkfeld billed Medicare for 663 services in 2024

CMS data shows 663 Medicare services from Dr. Arkfeld across 6 procedure codes in 2024, for 252 Medicare patients. Medicare paid $41,789 for them.

Medicare services, 2024663
Medicare patients252
Paid by Medicare$41,789
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 6312024: 6044%
Surgery
2023: 502024: 4412%
Other services
2023: 02024: 15

Where Dr. Arkfeld's Medicare services took place, 2024

  • In an office10816%
  • In a facility55584%

Dr. Arkfeld compared with the California median for rheumatologists, 2024

  • Dr. Arkfeld
  • California median
Medicare services
663vs 90026% below
Medicare patients
252vs 21617% above
Part D claims
1,764vs 96283% above

Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.

Dr. Arkfeld'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. Arkfeld

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

Dr. Daniel G. Arkfeld treated 252 Medicare patients in 2024, average age 69

CMS counts 252 Medicare patients who saw Dr. Arkfeld in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have arthritis, and 65% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Arkfeld's median patient age at 63, with 82% women.

Medicare patients, 2024252
Average age69
Average risk score1.46
Also on Medicaid21%

Dr. Arkfeld's Medicare patients by age, 2024

Dr. Arkfeld's Medicare patients by sex, 2024

  • Women20983%
  • Men4317%

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

  1. Arthritis75%
  2. High blood pressure65%
  3. High cholesterol64%
  4. Osteoporosis39%
  5. Anxiety33%
  6. Mood disorders31%
  7. Depression29%
  8. Diabetes29%

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

Dr. Arkfeld's patients across all payers

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

Patient panel by age, all payers

Median age 63

Patient panel by sex, all payers

  • Women82%
  • Men17%

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

Dr. Daniel G. Arkfeld wrote 2,261 Medicare Part D claims in 2024

In 2024, Dr. Arkfeld wrote 2,261 Medicare Part D claims for 211 patients. 83% of them were for generic drugs. CMS names the drug for 1,764 of them, across 63 drugs with 11 or more claims each, at $1,188,362 in total drug cost. In 2023, CMS named 1,867 claims across 70 drugs.

Part D claims, 20242,261
Drugs named by CMS63
Total drug cost$1.2M
Part D patients211

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

  • Generic1,869 claims83%
  • Brand-name369 claims16%
  • Other23 claims1%

Dr. Arkfeld'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. Arkfeld's Part D claims, 2024

  • Opioids10%237 of 2,261 claims
  • Antibiotics2%41 of 2,261 claims

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

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1,8672024: 1,7646%

Drugs named by CMS: 63 in 2024, 70 in 2023.

See all prescribing by Dr. Arkfeld

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

Dr. Daniel G. Arkfeld offers telehealth to Medicare patients

Dr. Arkfeld accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Arkfeld as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Daniel G. Arkfeld has 1 publication on record

Dmand AI links 1 paper to Dr. Arkfeld in 2021. Dr. Arkfeld's most frequent co-authors are Alaa A. Abd-Elsayed, Abhimanyu N. Amarnani, MD, PhD and Jonathan Michael Hagedorn, MD.

Papers1

Dr. Arkfeld's most frequent co-authors

Recent publications by Dr. Arkfeld

See all 1 publications and co-authors

See who Dr. Arkfeld researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Arkfeld works with, so you can find a warm path to the right rheumatologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Daniel G. Arkfeld received $722,963 in industry payments from 2016 to 2025

CMS Open Payments shows 1,270 general payments to Dr. Arkfeld from 26 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 67% of the total. Amgen Inc. paid the most, $279,978.

General payments to Dr. Arkfeld by program year, 2016 to 2025

General payments to Dr. Arkfeld by kind, 2016 to 2025

$723Kin total
  • Speaker and faculty fees$482,55067%
  • Consulting fees$74,99810%
  • Travel and lodging$67,1069%
  • Honoraria$66,8049%
  • Other$31,5054%

Companies that paid Dr. Arkfeld the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Arkfeld

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Daniel G. Arkfeld has 4 awards and honors on record

Dmand AI lists 4 awards for Dr. Arkfeld, most recently Top Doctors:LA Area in 2013.

Awards and honors for Dr. Arkfeld

  1. 2013
    • Top Doctors:LA Area
  2. 2012
    • Top Doctors:Southern California
  3. Undated
    • ACR Fellow
    • Super Doc

Source: Dmand AI Professional Profile Data

Dr. Daniel G. Arkfeld graduated from David Geffen School of Medicine at UCLA

Dr. Arkfeld graduated from David Geffen School of Medicine at UCLA in 1986.

  1. Medical schoolDavid Geffen School of Medicine at UCLA
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in rheumatologyAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Daniel G. Arkfeld accepts plans from 12 insurance carriers

Dr. Arkfeld is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • LA Care
  • Regence Health Plans
  • Aspirus Health Plan
  • +4 more carriersWith a free account

Plan types Dr. Arkfeld accepts, by number of carriers

  1. Medicare8
  2. PPO7
  3. HMO4
  4. POS4
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Daniel G. Arkfeld'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)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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 G. Arkfeld

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 G. Arkfeld's NPI number?

Dr. Daniel G. Arkfeld's NPI number is 1780610105. It was assigned on June 25, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel G. Arkfeld?

Dr. Daniel G. Arkfeld is a rheumatologist in Los Angeles, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).

Where does Dr. Daniel G. Arkfeld practice?

Dr. Arkfeld practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Arkfeld's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Arkfeld to 1 group practice or clinic, 1 other site and 1 urgent care center.

What is Dr. Daniel G. Arkfeld's office phone number?

The practice phone on file for Dr. Arkfeld is (323) 442-8656.

What is Dr. Daniel G. Arkfeld's medical license number?

Dr. Arkfeld holds California license G61240, one of the licenses on file in 2 states.

Which states has Dr. Daniel G. Arkfeld been licensed in?

Dmand AI has state licenses on file for Dr. Arkfeld in California (1987 to 2027) and Hawaii (1987 to 1988).

Which hospitals is Dr. Daniel G. Arkfeld affiliated with?

Dr. Arkfeld practices at Keck Hospital of USC in Los Angeles, California. Dr. Arkfeld is also affiliated with USC Verdugo Hills Hospital.

What medical group is Dr. Daniel G. Arkfeld part of?

Dr. Arkfeld is linked to USC Care Medical Group.

Does Dr. Daniel G. Arkfeld accept Medicare?

Yes. CMS data shows Dr. Arkfeld billed Medicare for 663 services in 2024, and Dr. Arkfeld accepts Medicare assignment.

Does Dr. Daniel G. Arkfeld offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Arkfeld as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Daniel G. Arkfeld see?

CMS counts 252 Medicare patients who saw Dr. Arkfeld in 2024, with an average age of 69.

Is Dr. Daniel G. Arkfeld board certified?

Yes. Dr. Arkfeld is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Daniel G. Arkfeld bill to Medicare?

In 2024, Dr. Arkfeld's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and surgery: bones and joints (20552).

Where did Dr. Daniel G. Arkfeld go to medical school?

Dr. Arkfeld graduated from David Geffen School of Medicine at UCLA in 1986.

What drugs does Dr. Daniel G. Arkfeld prescribe most?

In 2024 Medicare Part D data, Dr. Arkfeld's most prescribed drugs by claims were Prednisone, Hydrocodone-Acetaminophen and Hydroxychloroquine Sulfate.

Has Dr. Daniel G. Arkfeld received payments from drug or device companies?

CMS Open Payments shows $722,963 in general payments to Dr. Arkfeld from 26 companies from 2016 to 2025. The largest total came from Amgen Inc.

How long has Dr. Daniel G. Arkfeld been practicing?

Dr. Arkfeld graduated from medical school in 1986, 40 years ago.

Does Dr. Daniel G. Arkfeld do research?

Dmand AI links 1 publication to Dr. Arkfeld.

Who does Dr. Daniel G. Arkfeld publish with?

Dr. Arkfeld's most frequent co-authors are Alaa A. Abd-Elsayed (1 shared paper), Abhimanyu N. Amarnani, MD, PhD (1 shared paper) and Jonathan Michael Hagedorn, MD (1 shared paper).

What insurance does Dr. Daniel G. Arkfeld accept?

Dr. Arkfeld is in network with 12 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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