Dr. John S. Weaver, MD

  • Denver, CO
  • General surgeon
NPI1780730366PAC ID0840341764
Medicare services, 2024
19
Medicare patients, 2024
47
Part D claims, 2024
46
Hospital affiliations
1
Industry payments
$56,797
Practice address
4567 E 9th Ave, Denver, CO 80220
Practice phone
Call (303) 320-2121
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA HealthONE Rose

Hospital · Denver, Colorado

See all 3 affiliations

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Dr. John S. Weaver is a general surgeon in Denver, Colorado

Dr. Weaver practices at HCA HealthONE Rose in Denver, Colorado, part of HCA Healthcare.

Dr. Weaver's NPI, 1780730366, was assigned on January 26, 2007. Dr. Weaver graduated from University of Colorado School of Medicine, Denver in 2004. Dr. Weaver holds Colorado license 0048688.

NPI and contact details
Medicare PAC ID
0840341764
NPI enumeration date
January 26, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(303) 320-2121
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. John S. Weaver practices at HCA HealthONE Rose in Denver, Colorado

Dr. Weaver's primary practice is HCA HealthONE Rose, at 4567 E 9th Ave, Denver, CO 80220 in Denver County. The practice phone is (303) 320-2121.

  • HCA HealthONE Rose
    4567 E 9th Ave, Denver, CO 80220 · Denver CountyPhone(303) 320-2121

Source: Dmand AI Affiliation Data

Dr. John S. Weaver is affiliated with 2 sites of care and 1 medical group

Dr. Weaver's primary practice is HCA HealthONE Rose in Denver, Colorado, part of HCA Healthcare. The medical group on file is HCA HealthONE Physicians. Dmand AI also links Dr. Weaver to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Weaver

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

Dmand AI tracks the EHR system at Dr. John S. Weaver's practice

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

EHR by site
SiteEHR vendor and product
HCA HealthONE RoseAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. John S. Weaver is one of 504 general surgeons in Colorado

Surgery is Dr. Weaver's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Weaver's licenses on file in 2 states: Colorado and Georgia.

Specialties and state licenses

  • Surgery, ColoradoPrimaryLicense 0048688 · taxonomy 208600000X
  • Georgia licenseLicense 062175

General surgeons near Dr. Weaver

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. John S. Weaver billed Medicare for 19 services in 2024

CMS data shows 19 Medicare services from Dr. Weaver across 1 procedure code in 2024, for 47 Medicare patients. Medicare paid $2,554 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202419
Medicare patients47
Paid by Medicare$2,554
Procedure codes1

Dr. Weaver's Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Office and hospital visits
2022: 262024: 1927%

Dr. Weaver compared with the Colorado median for general surgeons, 2024

  • Dr. Weaver
  • Colorado median
Medicare services
19vs 10983% below
Medicare patients
47vs 10455% below
Part D claims
12vs 3161% below

Medians across 491 general surgeons in Colorado with Dmand AI profiles that report each measure.

Dr. Weaver'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. Weaver

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

Dr. John S. Weaver treated 47 Medicare patients in 2024, average age 73

CMS counts 47 Medicare patients who saw Dr. Weaver in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.68, 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. Weaver's median patient age at 46, with 79% women.

Medicare patients, 202447
Average age73
Average risk score1.68
Also on Medicaid26%

Dr. Weaver's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Weaver's Medicare patients by sex, 2024

  • Women2757%
  • Men2043%

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

  1. High blood pressure75%
  2. High cholesterol68%
  3. Arthritis47%
  4. Mood disorders45%
  5. Depression40%
  6. Anxiety38%
  7. Diabetes28%
  8. COPD26%

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

Dr. Weaver's patients across all payers

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

Patient panel by age, all payers

Median age 46

Patient panel by sex, all payers

  • Women79%
  • Men20%

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

Dr. John S. Weaver wrote 46 Medicare Part D claims in 2024

In 2024, Dr. Weaver wrote 46 Medicare Part D claims for 25 patients. 91% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $61 in total drug cost. In 2018, CMS named 56 claims across 3 drugs.

Part D claims, 202446
Drugs named by CMS1
Total drug cost$61
Part D patients25

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

  • Generic42 claims91%
  • Brand-name and other4 claims9%

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

  • Opioids35%16 of 46 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, 2018 to 2024

  • 2018
  • 2024
Claims for drugs CMS names
2018: 562024: 1279%

Drugs named by CMS: 1 in 2024, 3 in 2018.

See all prescribing by Dr. Weaver

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. John S. Weaver ranks in the 43rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Weaver accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Weaver as offering telehealth. CMS counts 12 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Weaver, more than 43% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Weaver ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
43rd percentile12 procedures

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

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 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. John S. Weaver received $56,797 in industry payments from 2016 to 2025

CMS Open Payments shows 145 general payments to Dr. Weaver from 21 drug and device companies from 2016 to 2025. Education make up the largest share, 48% of the total. Intuitive Surgical, Inc. paid the most, $36,213.

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

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

$56.8Kin total
  • Education$27,03648%
  • Travel and lodging$12,07021%
  • Speaker and faculty fees$10,25018%
  • Food and beverage$7,43313%
  • Gifts$90%

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

Share is of all general payments to this clinician.

See all payments to Dr. Weaver

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

Dr. John S. Weaver graduated from University of Colorado School of Medicine, Denver

Dr. Weaver graduated from University of Colorado School of Medicine, Denver in 2004.

  1. Medical schoolUniversity of Colorado School of Medicine, Denver

Source: Dmand AI Professional Profile Data

Sources for Dr. John S. Weaver'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)
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. John S. Weaver

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. John S. Weaver's NPI number?

Dr. John S. Weaver's NPI number is 1780730366. It was assigned on January 26, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. John S. Weaver?

Dr. John S. Weaver is a general surgeon in Denver, Colorado. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. John S. Weaver practice?

Dr. Weaver practices at 4567 E 9th Ave, Denver, CO 80220. Dr. Weaver's primary practice is HCA HealthONE Rose in Denver, Colorado, part of HCA Healthcare. Dmand AI also links Dr. Weaver to 1 group practice or clinic.

What is Dr. John S. Weaver's office phone number?

The practice phone on file for Dr. Weaver is (303) 320-2121.

What is Dr. John S. Weaver's medical license number?

Dr. Weaver holds Colorado license 0048688, one of the licenses on file in 2 states.

Which states has Dr. John S. Weaver been licensed in?

Dmand AI has state licenses on file for Dr. Weaver in Colorado and Georgia.

Which hospitals is Dr. John S. Weaver affiliated with?

Dr. Weaver practices at HCA HealthONE Rose in Denver, Colorado.

What medical group is Dr. John S. Weaver part of?

Dr. Weaver is linked to HCA HealthONE Physicians.

Does Dr. John S. Weaver accept Medicare?

Yes. CMS data shows Dr. Weaver billed Medicare for 19 services in 2024, and Dr. Weaver accepts Medicare assignment.

Does Dr. John S. Weaver offer telehealth?

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

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. John S. Weaver see?

CMS counts 47 Medicare patients who saw Dr. Weaver in 2024, with an average age of 73.

What services does Dr. John S. Weaver bill to Medicare?

In 2024, Dr. Weaver's most billed Medicare services were hospital inpatient care (99223).

Where did Dr. John S. Weaver go to medical school?

Dr. Weaver graduated from University of Colorado School of Medicine, Denver in 2004.

What drugs does Dr. John S. Weaver prescribe most?

In 2024 Medicare Part D data, Dr. Weaver's most prescribed drugs by claims were Oxycodone-Acetaminophen.

Has Dr. John S. Weaver received payments from drug or device companies?

CMS Open Payments shows $56,797 in general payments to Dr. Weaver from 21 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. John S. Weaver been practicing?

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

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