Dr. Charles J.s. Guimaraes, MD
- Medicare services, 2024
- 418
- Medicare patients, 2024
- 210
- Part D claims, 2024
- 56
- Hospital affiliations
- 1
- Industry payments
- $96
- Practice address
- 1901 Red Rock Drive, Gallup, NM 87301
- Practice phone
- Call (505) 863-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Guimaraes' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charles J.s. Guimaraes is a general surgeon in Gallup, New Mexico
Dr. Guimaraes practices at Rehoboth McKinley Christian Health Care Services in Gallup, New Mexico, part of Rehoboth McKinley Christian Health Care Services.
Dr. Guimaraes' NPI, 1003894130, was assigned on January 9, 2006. Dr. Guimaraes graduated from University of Minnesota Medical School in 1988. Dr. Guimaraes holds New Mexico license 99-116.
- NPI
- 1003894130NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517092695
- NPI enumeration date
- January 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (505) 863-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles J.s. Guimaraes practices at Rehoboth McKinley Christian Health Care Services in Gallup, New Mexico
Dr. Guimaraes' primary practice is Rehoboth McKinley Christian Health Care Services, at 1901 Red Rock Drive, Gallup, NM 87301 in Mckinley County. The practice phone is (505) 863-7000.
- Rehoboth McKinley Christian Health Care Services1901 Red Rock Drive, Gallup, NM 87301 · Mckinley CountyPhone(505) 863-7000
Source: Dmand AI Affiliation Data
Dr. Charles J.s. Guimaraes is affiliated with 2 sites of care and 1 medical group
Dr. Guimaraes' primary practice is Rehoboth McKinley Christian Health Care Services in Gallup, New Mexico, part of Rehoboth McKinley Christian Health Care Services. The medical group on file is Rehoboth McKinley Christian Health Care Services. Dmand AI also links Dr. Guimaraes to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Charles J.s. Guimaraes' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guimaraes practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rehoboth McKinley Christian Health Care Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Rehoboth McKinley Christian Health Care Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charles J.s. Guimaraes is one of 213 general surgeons in New Mexico
Surgery is Dr. Guimaraes' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Guimaraes is licensed in New Mexico.
Specialties and state licenses
- Surgery, New MexicoPrimary
General surgeons near Dr. Guimaraes
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. Charles J.s. Guimaraes billed Medicare for 418 services in 2024
CMS data shows 418 Medicare services from Dr. Guimaraes across 10 procedure codes in 2024, for 210 Medicare patients. Medicare paid $35,319 for them.
Dr. Guimaraes' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2392024: 30427%
- Surgery
- 2023: 492024: 9696%
- Other services
- 2023: 02024: 18
Where Dr. Guimaraes' Medicare services took place, 2024
- In an office23256%
- In a facility18644%
Dr. Guimaraes compared with the New Mexico median for general surgeons, 2024
- Dr. Guimaraes
- New Mexico median
- Medicare services
- 418vs 944.4 times
- Medicare patients
- 210vs 922.3 times
- Part D claims
- 39vs 375% above
Medians across 206 general surgeons in New Mexico with Dmand AI profiles that report each measure.
Dr. Guimaraes' 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.
Need commercial claims for Dr. Guimaraes?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Guimaraes and other general surgeons in New Mexico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles J.s. Guimaraes treated 210 Medicare patients in 2024, average age 69
CMS counts 210 Medicare patients who saw Dr. Guimaraes in 2024. The largest group is 65 to 74, with 104 patients. 74% of them have high blood pressure, and 63% have high cholesterol. 40% are also on Medicaid. Their average risk score is 2.58, 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. Guimaraes' median patient age at 70, with 48% women.
Dr. Guimaraes' Medicare patients by age, 2024
Dr. Guimaraes' Medicare patients by sex, 2024
- Women11052%
- Men10048%
Chronic conditions among Dr. Guimaraes' Medicare patients, 2024
- High blood pressure74%
- High cholesterol63%
- Diabetes50%
- Arthritis34%
- Chronic kidney disease34%
- Heart failure16%
- Mood disorders16%
- Depression15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guimaraes' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles J.s. Guimaraes wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Guimaraes wrote 56 Medicare Part D claims for 37 patients. 98% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $370 in total drug cost. In 2023, CMS named 29 claims across 1 drug.
Dr. Guimaraes' Part D claims by kind of drug, 2024
- Generic55 claims98%
- Brand-name and other1 claims2%
Dr. Guimaraes' 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. Guimaraes' Part D claims, 2024
- Opioids43%24 of 56 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: 292024: 3934%
Drugs named by CMS: 2 in 2024, 1 in 2023.
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
How Dr. Charles J.s. Guimaraes takes part in Medicare
Dr. Guimaraes accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Colonoscopy: 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)
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. Charles J.s. Guimaraes received $96 in industry payments from 2018 to 2022
CMS Open Payments shows 2 general payments to Dr. Guimaraes from 2 drug and device companies from 2018 to 2022. Food and beverage make up the largest share, 100% of the total. KCI USA, Inc. paid the most, $82.
General payments to Dr. Guimaraes by program year, 2018 to 2022
Companies that paid Dr. Guimaraes the most, 2018 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles J.s. Guimaraes graduated from University of Minnesota Medical School
Dr. Guimaraes graduated from University of Minnesota Medical School in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles J.s. Guimaraes's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charles J.s. Guimaraes
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. Charles J.s. Guimaraes' NPI number?
Dr. Charles J.s. Guimaraes' NPI number is 1003894130. It was assigned on January 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles J.s. Guimaraes?
Dr. Charles J.s. Guimaraes is a general surgeon in Gallup, New Mexico. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Charles J.s. Guimaraes practice?
Dr. Guimaraes practices at 1901 Red Rock Drive, Gallup, NM 87301. Dr. Guimaraes' primary practice is Rehoboth McKinley Christian Health Care Services in Gallup, New Mexico, part of Rehoboth McKinley Christian Health Care Services. Dmand AI also links Dr. Guimaraes to 1 group practice or clinic.
What is Dr. Charles J.s. Guimaraes' office phone number?
The practice phone on file for Dr. Guimaraes is (505) 863-7000.
What is Dr. Charles J.s. Guimaraes' medical license number?
Dr. Guimaraes holds New Mexico license 99-116.
Which hospitals is Dr. Charles J.s. Guimaraes affiliated with?
Dr. Guimaraes practices at Rehoboth McKinley Christian Health Care Services in Gallup, New Mexico.
What medical group is Dr. Charles J.s. Guimaraes part of?
Dr. Guimaraes is linked to Rehoboth McKinley Christian Health Care Services.
Does Dr. Charles J.s. Guimaraes accept Medicare?
Yes. CMS data shows Dr. Guimaraes billed Medicare for 418 services in 2024, and Dr. Guimaraes accepts Medicare assignment.
How many Medicare patients does Dr. Charles J.s. Guimaraes see?
CMS counts 210 Medicare patients who saw Dr. Guimaraes in 2024, with an average age of 69.
What services does Dr. Charles J.s. Guimaraes bill to Medicare?
In 2024, Dr. Guimaraes' most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: digestive system (45380).
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Where did Dr. Charles J.s. Guimaraes go to medical school?
Dr. Guimaraes graduated from University of Minnesota Medical School in 1988.
What drugs does Dr. Charles J.s. Guimaraes prescribe most?
In 2024 Medicare Part D data, Dr. Guimaraes' most prescribed drugs by claims were Hydrocodone-Acetaminophen and Famotidine.
Has Dr. Charles J.s. Guimaraes received payments from drug or device companies?
CMS Open Payments shows $96 in general payments to Dr. Guimaraes from 2 companies from 2018 to 2022. The largest total came from KCI USA, Inc.
How long has Dr. Charles J.s. Guimaraes been practicing?
Dr. Guimaraes graduated from medical school in 1988, 38 years ago.
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