Dr. Gregory Sainnoval, MD

  • Lebanon, MO
  • General surgeon
NPI1164555272PAC ID5698812022
Medicare services, 2024
149
Medicare patients, 2024
106
Part D claims, 2024
235
Hospital affiliations
2
Industry payments
$1,303
Practice address
100 Hospital Drive, Lebanon, MO 65536
Practice phone
Call (417) 533-6100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mercy Hospital Lebanon

Hospital · Lebanon, Missouri

See all 7 affiliations

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Dr. Gregory Sainnoval is a general surgeon in Lebanon, Missouri

Dr. Sainnoval practices at Mercy Hospital Lebanon in Lebanon, Missouri, part of Mercy.

Dr. Sainnoval's NPI, 1164555272, was assigned on March 14, 2007. Dr. Sainnoval holds Missouri license 2020029424.

NPI and contact details
Medicare PAC ID
5698812022
NPI enumeration date
March 14, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(417) 533-6100
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Gregory Sainnoval practices at Mercy Hospital Lebanon in Lebanon, Missouri

Dr. Sainnoval's primary practice is Mercy Hospital Lebanon, at 100 Hospital Drive, Lebanon, MO 65536 in Laclede County. The practice phone is (417) 533-6100.

Source: Dmand AI Affiliation Data

Dr. Gregory Sainnoval is affiliated with 4 sites of care and 3 medical groups

Dr. Sainnoval's primary practice is Mercy Hospital Lebanon in Lebanon, Missouri, part of Mercy. Dr. Sainnoval is also affiliated with Aspirus Wisconsin Rapids Hospital. The medical group on file is Mercy Clinic Family Medicine - Hollister. Dmand AI also links Dr. Sainnoval to 2 more rural health clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Sainnoval

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

Dmand AI tracks the EHR system at Dr. Gregory Sainnoval's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sainnoval practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mercy Hospital LebanonAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Gregory Sainnoval is one of 593 general surgeons in Missouri

Surgery is Dr. Sainnoval's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Sainnoval's licenses on file in 4 states: Missouri, Delaware, Florida and New York.

Specialties and state licenses

  • Surgery, MissouriPrimaryLicense 2020029424 · taxonomy 208600000X
  • Delaware licenseLicense C7-0002988
  • Florida licenseLicense ME 112305
  • New York licenseLicense 252285-1

General surgeons near Dr. Sainnoval

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. Gregory Sainnoval billed Medicare for 149 services in 2024

CMS data shows 149 Medicare services from Dr. Sainnoval across 6 procedure codes in 2024, for 106 Medicare patients. Medicare paid $9,095 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024149
Medicare patients106
Paid by Medicare$9,095
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 802024: 10228%
Surgery
2023: 362024: 4731%

Dr. Sainnoval compared with the Missouri median for general surgeons, 2024

  • Dr. Sainnoval
  • Missouri median
Medicare services
149vs 16912% below
Medicare patients
106vs 12717% below
Part D claims
157vs 413.8 times

Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Sainnoval'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. Sainnoval

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

Dr. Gregory Sainnoval treated 106 Medicare patients in 2024, average age 72

CMS counts 106 Medicare patients who saw Dr. Sainnoval in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 69% have high cholesterol. 24% are also on Medicaid. Their average risk score is 1.42, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Sainnoval's median patient age at 65, with 49% women.

Medicare patients, 2024106
Average age72
Average risk score1.42
Also on Medicaid24%

Dr. Sainnoval's Medicare patients by age, 2024

Dr. Sainnoval's Medicare patients by sex, 2024

  • Women5350%
  • Men5350%

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

  1. High blood pressure75%
  2. High cholesterol69%
  3. Arthritis55%
  4. Diabetes40%
  5. Mood disorders38%
  6. Depression35%
  7. Chronic kidney disease34%
  8. COPD32%

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

Dr. Sainnoval's patients across all payers

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

Patient panel by age, all payers

Median age 65

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. Gregory Sainnoval wrote 235 Medicare Part D claims in 2024

In 2024, Dr. Sainnoval wrote 235 Medicare Part D claims for 119 patients. 93% of them were for generic drugs. CMS names the drug for 157 of them, across 7 drugs with 11 or more claims each, at $2,221 in total drug cost. In 2023, CMS named 166 claims across 6 drugs.

Part D claims, 2024235
Drugs named by CMS7
Total drug cost$2,221
Part D patients119

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

  • Generic219 claims93%
  • Brand-name16 claims7%

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

  • Opioids29%68 of 235 claims
  • Antibiotics22%51 of 235 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: 1662024: 1575%

Drugs named by CMS: 7 in 2024, 6 in 2023.

See all prescribing by Dr. Sainnoval

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. Gregory Sainnoval ranks in the 42nd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Sainnoval accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 11 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Sainnoval, more than 42% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Sainnoval ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
42nd percentile11 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)

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

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Dr. Gregory Sainnoval received $1,303 in industry payments from 2016 to 2022

CMS Open Payments shows 20 general payments to Dr. Sainnoval from 9 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 64% of the total. Acell, Inc. paid the most, $781.

General payments to Dr. Sainnoval by program year, 2016 to 2022

General payments to Dr. Sainnoval by kind, 2016 to 2022

$1.3Kin total
  • Food and beverage$83064%
  • Travel and lodging$45435%
  • Education$191%

Companies that paid Dr. Sainnoval the most, 2016 to 2022

Share is of all general payments to this clinician.

See all payments to Dr. Sainnoval

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

Sources for Dr. Gregory Sainnoval'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Gregory Sainnoval

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. Gregory Sainnoval's NPI number?

Dr. Gregory Sainnoval's NPI number is 1164555272. It was assigned on March 14, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Gregory Sainnoval?

Dr. Gregory Sainnoval is a general surgeon in Lebanon, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Gregory Sainnoval practice?

Dr. Sainnoval practices at 100 Hospital Drive, Lebanon, MO 65536. Dr. Sainnoval's primary practice is Mercy Hospital Lebanon in Lebanon, Missouri, part of Mercy. Dmand AI also links Dr. Sainnoval to 2 rural health clinics and 2 medical groups.

What is Dr. Gregory Sainnoval's office phone number?

The practice phone on file for Dr. Sainnoval is (417) 533-6100.

What is Dr. Gregory Sainnoval's medical license number?

Dr. Sainnoval holds Missouri license 2020029424, one of the licenses on file in 4 states.

Which states has Dr. Gregory Sainnoval been licensed in?

Dmand AI has state licenses on file for Dr. Sainnoval in Missouri, Delaware, Florida and New York.

Which hospitals is Dr. Gregory Sainnoval affiliated with?

Dr. Sainnoval practices at Mercy Hospital Lebanon in Lebanon, Missouri. Dr. Sainnoval is also affiliated with Aspirus Wisconsin Rapids Hospital.

What medical group is Dr. Gregory Sainnoval part of?

Dr. Sainnoval is linked to Mercy Clinic Family Medicine - Hollister. Dmand AI links Dr. Sainnoval to 2 more medical groups.

Does Dr. Gregory Sainnoval accept Medicare?

Yes. CMS data shows Dr. Sainnoval billed Medicare for 149 services in 2024, and Dr. Sainnoval accepts Medicare assignment.

How many Medicare patients does Dr. Gregory Sainnoval see?

CMS counts 106 Medicare patients who saw Dr. Sainnoval in 2024, with an average age of 72.

Show 4 more questionsShow fewer questions

What services does Dr. Gregory Sainnoval bill to Medicare?

In 2024, Dr. Sainnoval's most billed Medicare services were hospital inpatient care (99231), surgery: digestive system (43239) and hospital inpatient care (99221).

What drugs does Dr. Gregory Sainnoval prescribe most?

In 2024 Medicare Part D data, Dr. Sainnoval's most prescribed drugs by claims were Oxycodone-Acetaminophen, Omeprazole and Pantoprazole Sodium.

Has Dr. Gregory Sainnoval received payments from drug or device companies?

CMS Open Payments shows $1,303 in general payments to Dr. Sainnoval from 9 companies from 2016 to 2022. The largest total came from Acell, Inc.

How long has Dr. Gregory Sainnoval been practicing?

Dr. Sainnoval graduated from medical school in 2004, 22 years ago.

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