Dr. Farrell D. Hass, MD

  • Hot Springs National Park, AR
  • Anesthesiologist
NPI1073508263PAC ID8527031517
Medicare services, 2024
65
Medicare patients, 2024
156
Part D claims, 2024
19
Hospital affiliations
2
Industry payments
$382
Practice address
1910 Malvern Avenue, Hot Springs, AR 71901
Practice phone
Call (501) 321-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

National Park Medical Center

Hospital · Hot Springs, Arkansas

See all 7 affiliations

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Dr. Farrell D. Hass is an anesthesiologist in Hot Springs National Park, Arkansas

Dr. Hass practices at National Park Medical Center in Hot Springs, Arkansas, part of Lifepoint Health.

Dr. Hass' NPI, 1073508263, was assigned on September 14, 2005. Dr. Hass graduated from University of Arkansas For Medical Sciences College of Medicine in 1987. Dr. Hass holds Arkansas license C7282.

NPI and contact details
Medicare PAC ID
8527031517
NPI enumeration date
September 14, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(501) 321-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
65
Medical school graduation
1987

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

Dr. Farrell D. Hass practices at National Park Medical Center in Hot Springs, Arkansas

Dr. Hass' primary practice is National Park Medical Center, at 1910 Malvern Avenue, Hot Springs, AR 71901 in Garland County. The practice phone is (501) 321-1000.

Source: Dmand AI Affiliation Data

Dr. Farrell D. Hass is affiliated with 2 sites of care and 5 medical groups

Dr. Hass' primary practice is National Park Medical Center in Hot Springs, Arkansas, part of Lifepoint Health. Dr. Hass is also affiliated with Baptist Health Medical Center Fort Smith. The medical group on file is US Anesthesia Partners. Dmand AI also links Dr. Hass to 4 more medical groups, each named with a free account.

See all 7 affiliations for Dr. Hass

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

Dmand AI tracks the EHR system at Dr. Farrell D. Hass' practice

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

EHR by site
SiteEHR vendor and product
National Park Medical CenterAvailable with a free account
+1 more site and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Farrell D. Hass is one of 314 anesthesiologists in Arkansas

Anesthesiology is Dr. Hass' primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Hass is board certified in anesthesiology by the American Board of Anesthesiology. Dmand AI has Dr. Hass' licenses on file in 2 states: Arkansas and Texas.

Specialties and state licenses

  • Anesthesiology, ArkansasPrimaryLicense C7282 · 1987 to 2026 · taxonomy 207L00000X
  • Texas license2019 to 2026

Anesthesiologists near Dr. Hass

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

314anesthesiologists in Arkansas
7anesthesiologists in Hot Springs National Park

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

Dr. Farrell D. Hass billed Medicare for 65 services in 2024

CMS data shows 65 Medicare services from Dr. Hass across 4 procedure codes in 2024, for 156 Medicare patients. Medicare paid $3,696 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202465
Medicare patients156
Paid by Medicare$3,696
Procedure codes4

Dr. Hass' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Anesthesia
2023: 332024: 3918%
Surgery
2023: 272024: 264%
Imaging
2023: 192024: 0100%

Dr. Hass compared with the Arkansas median for anesthesiologists, 2024

  • Dr. Hass
  • Arkansas median
Medicare services
65vs 4835% above
Medicare patients
156vs 9073% above

Medians across 312 anesthesiologists in Arkansas with Dmand AI profiles that report each measure.

Dr. Hass' 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. Hass

Need commercial claims for Dr. Hass?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hass and other anesthesiologists in Arkansas.

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

Dr. Farrell D. Hass treated 156 Medicare patients in 2024, average age 74

CMS counts 156 Medicare patients who saw Dr. Hass in 2024. The largest group is 65 to 74, with 73 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.66, 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. Hass' median patient age at 68, with 54% women.

Medicare patients, 2024156
Average age74
Average risk score1.66
Also on Medicaid14%

Dr. Hass' Medicare patients by age, 2024

Dr. Hass' Medicare patients by sex, 2024

  • Women8253%
  • Men7447%

Chronic conditions among Dr. Hass' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis71%
  4. Mood disorders47%
  5. Depression45%
  6. Anxiety44%
  7. Ischemic heart disease44%
  8. Diabetes35%

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

Dr. Hass' patients across all payers

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

Patient panel by age, all payers

Median age 68

Patient panel by sex, all payers

  • Women54%
  • Men46%

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

Dr. Farrell D. Hass wrote 19 Medicare Part D claims in 2024

In 2024, Dr. Hass wrote 19 Medicare Part D claims. 100% of them were for generic drugs.

Part D claims, 202419

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Farrell D. Hass takes part in Medicare

Dr. Hass accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Farrell D. Hass received $382 in industry payments from 2016 to 2025

CMS Open Payments shows 8 general payments to Dr. Hass from 7 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Heron Therapeutics, Inc. paid the most, $146.

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

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

Share is of all general payments to this clinician.

See all payments to Dr. Hass

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

Dr. Farrell D. Hass graduated from University of Arkansas For Medical Sciences College of Medicine

Dr. Hass graduated from University of Arkansas For Medical Sciences College of Medicine in 1987.

  1. Medical schoolUniversity of Arkansas For Medical Sciences College of Medicine
  2. Board certified in anesthesiologyAmerican Board of Anesthesiology

Source: Dmand AI Professional Profile Data

Dr. Farrell D. Hass accepts plans from 20 insurance carriers

Dr. Hass is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • HCSC
  • Alliant Health Plans
  • Arkansas Blue Cross and Blue Shield
  • Blue Cross Blue Shield of Massachusetts
  • Elevance
  • +12 more carriersWith a free account

Plan types Dr. Hass accepts, by number of carriers

  1. HMO11
  2. PPO11
  3. Medicare8
  4. POS5
  5. EPO2
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Farrell D. Hass'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 (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (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. Farrell D. Hass

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. Farrell D. Hass' NPI number?

Dr. Farrell D. Hass' NPI number is 1073508263. It was assigned on September 14, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Farrell D. Hass?

Dr. Farrell D. Hass is an anesthesiologist in Hot Springs National Park, Arkansas. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).

Where does Dr. Farrell D. Hass practice?

Dr. Hass practices at 1910 Malvern Avenue, Hot Springs, AR 71901. Dr. Hass' primary practice is National Park Medical Center in Hot Springs, Arkansas, part of Lifepoint Health. Dmand AI also links Dr. Hass to 4 medical groups.

What is Dr. Farrell D. Hass' office phone number?

The practice phone on file for Dr. Hass is (501) 321-1000.

What is Dr. Farrell D. Hass' medical license number?

Dr. Hass holds Arkansas license C7282, one of the licenses on file in 2 states.

Which states has Dr. Farrell D. Hass been licensed in?

Dmand AI has state licenses on file for Dr. Hass in Arkansas (1987 to 2026) and Texas (2019 to 2026).

Which hospitals is Dr. Farrell D. Hass affiliated with?

Dr. Hass practices at National Park Medical Center in Hot Springs, Arkansas. Dr. Hass is also affiliated with Baptist Health Medical Center Fort Smith.

What medical group is Dr. Farrell D. Hass part of?

Dr. Hass is linked to US Anesthesia Partners. Dmand AI links Dr. Hass to 4 more medical groups.

Does Dr. Farrell D. Hass accept Medicare?

Yes. CMS data shows Dr. Hass billed Medicare for 65 services in 2024, and Dr. Hass accepts Medicare assignment.

How many Medicare patients does Dr. Farrell D. Hass see?

CMS counts 156 Medicare patients who saw Dr. Hass in 2024, with an average age of 74.

Show 6 more questionsShow fewer questions

Is Dr. Farrell D. Hass board certified?

Yes. Dr. Hass is board certified in anesthesiology by the American Board of Anesthesiology.

What services does Dr. Farrell D. Hass bill to Medicare?

In 2024, Dr. Hass' most billed Medicare services were anesthesia (00910), anesthesia (00731) and surgery: brain, spine and nerves (64415).

Where did Dr. Farrell D. Hass go to medical school?

Dr. Hass graduated from University of Arkansas For Medical Sciences College of Medicine in 1987.

Has Dr. Farrell D. Hass received payments from drug or device companies?

CMS Open Payments shows $382 in general payments to Dr. Hass from 7 companies from 2016 to 2025. The largest total came from Heron Therapeutics, Inc.

How long has Dr. Farrell D. Hass been practicing?

Dr. Hass graduated from medical school in 1987, 39 years ago.

What insurance does Dr. Farrell D. Hass accept?

Dr. Hass is in network with 20 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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