Dr. Aaron M. Nilhas, MD

  • Wichita, KS
  • General surgeon
NPI1336401082PAC ID9830346303
Medicare services, 2024
1,572
Medicare patients, 2024
894
Part D claims, 2024
697
Publications
1
MIPS score, 2024
87
Practice address
551 N Hillside Ave, Wichita, KS 67214
Practice phone
Call (316) 300-2571
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Wichita Surgical Specialists PA

Wichita, Kansas

See all 11 affiliations

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Dr. Aaron M. Nilhas is a general surgeon in Wichita, Kansas

Dr. Nilhas practices at Wichita Surgical Specialists PA in Wichita, Kansas.

Dr. Nilhas' NPI, 1336401082, was assigned on June 8, 2012. Dr. Nilhas graduated from University of Kansas School of Med (KC/Wich/Sal) in 2012. Dr. Nilhas holds Kansas license 04-39787.

NPI and contact details
Medicare PAC ID
9830346303
NPI enumeration date
June 8, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(316) 300-2571
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

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

Dr. Aaron M. Nilhas practices at Wichita Surgical Specialists PA in Wichita, Kansas

Dr. Nilhas' primary practice is Wichita Surgical Specialists PA, at 551 N Hillside Ave, Wichita, KS 67214 in Sedgwick County. The practice phone is (316) 300-2571.

  • Wichita Surgical Specialists PA
    551 N Hillside Ave, Wichita, KS 67214 · Sedgwick CountyPhone(316) 300-2571

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Aaron M. Nilhas is affiliated with 8 sites of care and 3 medical groups

Dr. Nilhas' primary practice is Wichita Surgical Specialists PA in Wichita, Kansas. Dr. Nilhas is also affiliated with Ascension Via Christi St. Francis. The medical group on file is Ascension Medical Group Via Christi. Dmand AI also links Dr. Nilhas to 4 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 11 affiliations for Dr. Nilhas

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

Dmand AI tracks the EHR system at Dr. Aaron M. Nilhas' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nilhas practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wichita Surgical Specialists PAAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Aaron M. Nilhas is one of 254 general surgeons in Kansas

Surgery is Dr. Nilhas' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nilhas is licensed in Kansas.

Specialties and state licenses

  • Surgery, KansasPrimaryLicense 04-39787 · taxonomy 208600000X

General surgeons near Dr. Nilhas

Counts of general surgeons 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. Aaron M. Nilhas billed Medicare for 1,572 services in 2024

CMS data shows 1,572 Medicare services from Dr. Nilhas across 28 procedure codes in 2024, for 894 Medicare patients. Medicare paid $190,548 for them.

Medicare services, 20241,572
Medicare patients894
Paid by Medicare$190,548
Procedure codes28

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

  • 2023
  • 2024
Office and hospital visits
2023: 8692024: 8018%
Surgery
2023: 6252024: 6687%
Other services
2023: 772024: 6614%
Imaging
2023: 402024: 378%

Where Dr. Nilhas' Medicare services took place, 2024

  • In an office50032%
  • In a facility1,07268%

Dr. Nilhas compared with the Kansas median for general surgeons, 2024

  • Dr. Nilhas
  • Kansas median
Medicare services
1,572vs 2935.4 times
Medicare patients
894vs 1964.6 times
Part D claims
614vs 5112.0 times

Medians across 262 general surgeons in Kansas with Dmand AI profiles that report each measure.

Dr. Nilhas' 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. Nilhas

Need commercial claims for Dr. Nilhas?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nilhas and other general surgeons in Kansas.

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

Dr. Aaron M. Nilhas treated 894 Medicare patients in 2024, average age 73

CMS counts 894 Medicare patients who saw Dr. Nilhas in 2024. The largest group is 65 to 74, with 494 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.18, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Nilhas' median patient age at 59, with 49% women.

Medicare patients, 2024894
Average age73
Average risk score1.18
Also on Medicaid5%

Dr. Nilhas' Medicare patients by age, 2024

Dr. Nilhas' Medicare patients by sex, 2024

  • Women43949%
  • Men45551%

Chronic conditions among Dr. Nilhas' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis37%
  4. Ischemic heart disease33%
  5. Diabetes30%
  6. Chronic kidney disease23%
  7. Mood disorders23%
  8. Cancer21%

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

Dr. Nilhas' patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women49%
  • Men51%

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

Dr. Aaron M. Nilhas wrote 697 Medicare Part D claims in 2024

In 2024, Dr. Nilhas wrote 697 Medicare Part D claims for 341 patients. 97% of them were for generic drugs. CMS names the drug for 614 of them, across 9 drugs with 11 or more claims each, at $2,952 in total drug cost. In 2023, CMS named 512 claims across 9 drugs.

Part D claims, 2024697
Drugs named by CMS9
Total drug cost$2,952
Part D patients341

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

  • Generic677 claims97%
  • Brand-name20 claims3%

Dr. Nilhas' 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. Nilhas' Part D claims, 2024

  • Opioids32%220 of 697 claims
  • Antibiotics10%70 of 697 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: 5122024: 61420%

Drugs named by CMS: 9 in 2024, 9 in 2023.

See all prescribing by Dr. Nilhas

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. Aaron M. Nilhas scored 87 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Nilhas for performance year 2024, reported individually. Dr. Nilhas accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 74 procedures of hernia repair (minimally invasive) by Dr. Nilhas, more than 99% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Nilhas' MIPS scores, performance year 2024

  • 87of 100Final score
  • 69.5of 100Quality
  • 97of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 88of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Nilhas ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
93rd percentile245 procedures
Colonoscopy
95th percentile224 procedures
Hernia repair (minimally invasive)
99th percentile74 procedures
Melanoma (skin cancer) excision
64th percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Aaron M. Nilhas has 1 publication on record

Dmand AI links 1 paper to Dr. Nilhas in 2022. Dr. Nilhas' most frequent co-author is Megan Kathryn Morriss, MD.

Papers1

Dr. Nilhas' most frequent co-authors

Recent publications by Dr. Nilhas

See all 1 publications and co-authors

See who Dr. Nilhas researches with

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

How network discovery works

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

Dr. Aaron M. Nilhas received $13,618 in industry payments from 2016 to 2025

CMS Open Payments shows 95 general payments to Dr. Nilhas from 19 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 42% of the total. Intuitive Surgical, Inc. paid the most, $4,780.

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

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

$13.6Kin total
  • Travel and lodging$5,76242%
  • Food and beverage$4,73035%
  • Education$3,02722%
  • Honoraria$1001%

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

Share is of all general payments to this clinician.

See all payments to Dr. Nilhas

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

Dr. Aaron M. Nilhas graduated from University of Kansas School of Med (KC/Wich/Sal)

Dr. Nilhas graduated from University of Kansas School of Med (KC/Wich/Sal) in 2012.

  1. Medical schoolUniversity of Kansas School of Med (KC/Wich/Sal)

Source: Dmand AI Professional Profile Data

Sources for Dr. Aaron M. Nilhas'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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)
Training, board certification and membershipsDmand AI Professional Profile 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. Aaron M. Nilhas

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. Aaron M. Nilhas' NPI number?

Dr. Aaron M. Nilhas' NPI number is 1336401082. It was assigned on June 8, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Aaron M. Nilhas?

Dr. Aaron M. Nilhas is a general surgeon in Wichita, Kansas. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Aaron M. Nilhas practice?

Dr. Nilhas practices at 551 N Hillside Ave, Wichita, KS 67214. Dr. Nilhas' primary practice is Wichita Surgical Specialists PA in Wichita, Kansas. Dmand AI also links Dr. Nilhas to 4 hospitals, 2 group practices and clinics and 2 medical groups.

What is Dr. Aaron M. Nilhas' office phone number?

The practice phone on file for Dr. Nilhas is (316) 300-2571.

What is Dr. Aaron M. Nilhas' medical license number?

Dr. Nilhas holds Kansas license 04-39787.

Which hospitals is Dr. Aaron M. Nilhas affiliated with?

Dr. Nilhas is affiliated with Ascension Via Christi St. Francis. Dmand AI links Dr. Nilhas to 4 more hospitals.

What medical group is Dr. Aaron M. Nilhas part of?

Dr. Nilhas is linked to Ascension Medical Group Via Christi. Dmand AI links Dr. Nilhas to 2 more medical groups.

Does Dr. Aaron M. Nilhas accept Medicare?

Yes. CMS data shows Dr. Nilhas billed Medicare for 1,572 services in 2024, and Dr. Nilhas accepts Medicare assignment.

What is Dr. Aaron M. Nilhas' MIPS score?

Dr. Nilhas' MIPS final score for performance year 2024 is 87 out of 100, reported individually.

How many Medicare patients does Dr. Aaron M. Nilhas see?

CMS counts 894 Medicare patients who saw Dr. Nilhas in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. Aaron M. Nilhas bill to Medicare?

In 2024, Dr. Nilhas' most billed Medicare services were office visit, new patient (99204), hospital inpatient care (99231) and surgery: digestive system (43239).

Where did Dr. Aaron M. Nilhas go to medical school?

Dr. Nilhas graduated from University of Kansas School of Med (KC/Wich/Sal) in 2012.

What drugs does Dr. Aaron M. Nilhas prescribe most?

In 2024 Medicare Part D data, Dr. Nilhas' most prescribed drugs by claims were Pantoprazole Sodium, Oxycodone HCl and Sucralfate.

Has Dr. Aaron M. Nilhas received payments from drug or device companies?

CMS Open Payments shows $13,618 in general payments to Dr. Nilhas from 19 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Aaron M. Nilhas been practicing?

Dr. Nilhas graduated from medical school in 2012, 14 years ago.

Does Dr. Aaron M. Nilhas do research?

Dmand AI links 1 publication to Dr. Nilhas.

Who does Dr. Aaron M. Nilhas publish with?

Dr. Nilhas' most frequent co-authors are Megan Kathryn Morriss, MD (1 shared paper).

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