Dr. Eric Ross Davies, MD

  • Ann Arbor, MI
  • General surgeon
NPI1427374917PAC ID3870738263
Medicare services, 2024
118
Medicare patients, 2024
110
Part D claims, 2024
40
Hospital affiliations
3
Industry payments
$283,611
Practice address
24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105
Practice phone
Call (734) 712-8150
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

IHA General Surgery

Ann Arbor, Michigan

See all 10 affiliations

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Dr. Eric Ross Davies is a general surgeon in Ann Arbor, Michigan

Dr. Davies practices at IHA General Surgery in Ann Arbor, Michigan.

Dr. Davies' NPI, 1427374917, was assigned on April 9, 2010. Dr. Davies graduated from Creighton University School of Medicine in 2010. Dr. Davies holds Michigan license 4301096656.

NPI and contact details
Medicare PAC ID
3870738263
NPI enumeration date
April 9, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(734) 712-8150
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

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

Dr. Eric Ross Davies practices at IHA General Surgery in Ann Arbor, Michigan

Dr. Davies' primary practice is IHA General Surgery, at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 in Washtenaw County. The practice phone is (734) 712-8150.

  • IHA General Surgery
    24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105 · Washtenaw CountyPhone(734) 712-8150

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

Dr. Eric Ross Davies is affiliated with 7 sites of care and 3 medical groups

Dr. Davies' primary practice is IHA General Surgery in Ann Arbor, Michigan. Dr. Davies is also affiliated with Trinity Health Ann Arbor Hospital. The medical group on file is Trinity Health IHA Medical Group. Dmand AI also links Dr. Davies to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 10 affiliations for Dr. Davies

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

Dmand AI tracks the EHR system at Dr. Eric Ross Davies' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Davies practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
IHA General SurgeryAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric Ross Davies is one of 1,095 general surgeons in Michigan

Surgery is Dr. Davies' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Davies' licenses on file in 2 states: Michigan and California.

Specialties and state licenses

  • Surgery, MichiganPrimaryLicense 4301096656 · taxonomy 208600000X
  • California licenseLicense A133534

General surgeons near Dr. Davies

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. Eric Ross Davies billed Medicare for 118 services in 2024

CMS data shows 118 Medicare services from Dr. Davies across 6 procedure codes in 2024, for 110 Medicare patients. Medicare paid $17,376 for them.

Medicare services, 2024118
Medicare patients110
Paid by Medicare$17,376
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 1042024: 995%
Surgery
2023: 02024: 19

Where Dr. Davies' Medicare services took place, 2024

  • In an office7564%
  • In a facility4336%

Dr. Davies compared with the Michigan median for general surgeons, 2024

  • Dr. Davies
  • Michigan median
Medicare services
118vs 1266% below
Medicare patients
110vs 107Close to median
Part D claims
11vs 3063% below

Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Davies' 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. Davies

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

Dr. Eric Ross Davies treated 110 Medicare patients in 2024, average age 71

CMS counts 110 Medicare patients who saw Dr. Davies in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high cholesterol, and 71% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.51, 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. Davies' median patient age at 56, with 56% women.

Medicare patients, 2024110
Average age71
Average risk score1.51
Also on Medicaid12%

Dr. Davies' Medicare patients by age, 2024

Dr. Davies' Medicare patients by sex, 2024

  • Women6055%
  • Men5045%

Chronic conditions among Dr. Davies' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure71%
  3. Arthritis48%
  4. Diabetes34%
  5. Ischemic heart disease32%
  6. Anxiety29%
  7. Chronic kidney disease29%
  8. Mood disorders29%

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

Dr. Davies' patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women56%
  • Men44%

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

Dr. Eric Ross Davies wrote 40 Medicare Part D claims in 2024

In 2024, Dr. Davies wrote 40 Medicare Part D claims for 18 patients. 98% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $134 in total drug cost. In 2022, CMS named 12 claims across 1 drug.

Part D claims, 202440
Drugs named by CMS1
Total drug cost$134
Part D patients18

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

  • Generic39 claims98%
  • Brand-name and other1 claims3%

Dr. Davies' 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.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 122024: 118%

Drugs named by CMS: 1 in 2024, 1 in 2022.

See all prescribing by Dr. Davies

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. Eric Ross Davies ranks in the 88th percentile for hernia repair (minimally invasive) in Medicare

Dr. Davies accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Davies as offering telehealth. CMS counts 20 procedures of hernia repair (minimally invasive) by Dr. Davies, more than 88% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Davies ranks in Medicare procedure volume

Hernia repair (minimally invasive)
88th percentile20 procedures

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

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Eric Ross Davies received $283,611 in industry payments from 2016 to 2025

CMS Open Payments shows 357 general payments to Dr. Davies from 8 drug and device companies from 2016 to 2025. Education make up the largest share, 86% of the total. Intuitive Surgical, Inc. paid the most, $273,692.

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

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

$283.6Kin total
  • Education$243,95086%
  • Travel and lodging$16,6626%
  • Food and beverage$16,2656%
  • Speaker and faculty fees$6,5002%
  • Gifts$2340%

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

Share is of all general payments to this clinician.

See all payments to Dr. Davies

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

Dr. Eric Ross Davies graduated from Creighton University School of Medicine

Dr. Davies graduated from Creighton University School of Medicine in 2010.

  1. Medical schoolCreighton University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Eric Ross Davies'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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. Eric Ross Davies

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. Eric Ross Davies' NPI number?

Dr. Eric Ross Davies' NPI number is 1427374917. It was assigned on April 9, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric Ross Davies?

Dr. Eric Ross Davies is a general surgeon in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Eric Ross Davies practice?

Dr. Davies practices at 24 Frank Lloyd Wright Dr, Ann Arbor, MI 48105. Dr. Davies' primary practice is IHA General Surgery in Ann Arbor, Michigan. Dmand AI also links Dr. Davies to 2 hospitals, 3 group practices and clinics and 2 medical groups.

What is Dr. Eric Ross Davies' office phone number?

The practice phone on file for Dr. Davies is (734) 712-8150.

What is Dr. Eric Ross Davies' medical license number?

Dr. Davies holds Michigan license 4301096656, one of the licenses on file in 2 states.

Which states has Dr. Eric Ross Davies been licensed in?

Dmand AI has state licenses on file for Dr. Davies in Michigan and California.

Which hospitals is Dr. Eric Ross Davies affiliated with?

Dr. Davies is affiliated with Trinity Health Ann Arbor Hospital. Dmand AI links Dr. Davies to 2 more hospitals.

What medical group is Dr. Eric Ross Davies part of?

Dr. Davies is linked to Trinity Health IHA Medical Group. Dmand AI links Dr. Davies to 2 more medical groups.

Does Dr. Eric Ross Davies accept Medicare?

Yes. CMS data shows Dr. Davies billed Medicare for 118 services in 2024, and Dr. Davies accepts Medicare assignment.

Does Dr. Eric Ross Davies offer telehealth?

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

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Eric Ross Davies see?

CMS counts 110 Medicare patients who saw Dr. Davies in 2024, with an average age of 71.

What services does Dr. Eric Ross Davies bill to Medicare?

In 2024, Dr. Davies' most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99222) and office visit, new patient (99204).

Where did Dr. Eric Ross Davies go to medical school?

Dr. Davies graduated from Creighton University School of Medicine in 2010.

What drugs does Dr. Eric Ross Davies prescribe most?

In 2024 Medicare Part D data, Dr. Davies' most prescribed drugs by claims were Pantoprazole Sodium.

Has Dr. Eric Ross Davies received payments from drug or device companies?

CMS Open Payments shows $283,611 in general payments to Dr. Davies from 8 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Eric Ross Davies been practicing?

Dr. Davies graduated from medical school in 2010, 16 years ago.

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