Dr. William Everett Gattis, MD

  • Lake City, CO
  • Family medicine physician
NPI1386611465PAC ID9931098415
Medicare services, 2023
428
Medicare patients, 2024
11
Part D claims, 2024
1,316
MIPS score, 2024
41
Hospital affiliations
2
Practice address
700 N Henson Street, Lake City, CO 81235
Practice phone
Call (970) 944-2331
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Lake City Area Medical Center

Rural Health Clinic - Independent · Lake City, Colorado

See all 6 affiliations

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Dr. William Everett Gattis is a family medicine physician in Lake City, Colorado

Dr. Gattis practices at Lake City Area Medical Center in Lake City, Colorado.

Dr. Gattis' NPI, 1386611465, was assigned on March 7, 2006. Dr. Gattis graduated from University of New Mexico School of Medicine in 1995. Dr. Gattis holds Colorado license 40233.

NPI and contact details
Medicare PAC ID
9931098415
NPI enumeration date
March 7, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(970) 944-2331
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
57
Medical school graduation
1995

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

Dr. William Everett Gattis practices at Lake City Area Medical Center in Lake City, Colorado

Dr. Gattis' primary practice is Lake City Area Medical Center, at 700 N Henson Street, Lake City, CO 81235. The practice phone is (970) 944-2331.

  • Lake City Area Medical Center
    700 N Henson Street, Lake City, CO 81235Phone(970) 944-2331

Source: Dmand AI Affiliation Data

Dr. William Everett Gattis is affiliated with 5 sites of care and 1 medical group

Dr. Gattis' primary practice is Lake City Area Medical Center in Lake City, Colorado. Dr. Gattis is also affiliated with Montrose Regional Health. The medical group on file is Gunnison Valley Health. Dmand AI also links Dr. Gattis to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 6 affiliations for Dr. Gattis

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

Dmand AI tracks the EHR system at Dr. William Everett Gattis' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gattis practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lake City Area Medical CenterAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William Everett Gattis is one of 2,952 family medicine physicians in Colorado

Family medicine is Dr. Gattis' primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Gattis is licensed in Colorado.

Specialties and state licenses

  • Family medicine, ColoradoPrimaryLicense 40233 · taxonomy 207Q00000X

Family medicine physicians near Dr. Gattis

Counts of family medicine physicians 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. William Everett Gattis billed Medicare for 428 services in 2023

CMS data shows 428 Medicare services from Dr. Gattis across 9 procedure codes in 2023, for 11 Medicare patients. Medicare paid $5,406 for them. Every service was in an office.

Medicare services, 2023428
Medicare patients11
Paid by Medicare$5,406
Procedure codes9

Dr. Gattis' Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Lab and pathology
2022: 2542023: 36945%
Tests and treatments
2022: 132023: 43231%
Imaging
2022: 02023: 16

Dr. Gattis compared with the Colorado median for family medicine physicians, 2023

  • Dr. Gattis
  • Colorado median
Medicare services
428vs 27257% above
Medicare patients
11vs 12491% below
Part D claims
869vs 68028% above

Medians across 2,975 family medicine physicians in Colorado with Dmand AI profiles that report each measure.

Dr. Gattis' most billed Medicare procedure codes, 2023

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. Gattis

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

Dr. William Everett Gattis treated 11 Medicare patients in 2024, average age 73

CMS counts 11 Medicare patients who saw Dr. Gattis in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.82, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Gattis' median patient age at 72, with 47% women.

Medicare patients, 202411
Average age73
Average risk score0.82

Dr. Gattis' Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Gattis' patients across all payers

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

Patient panel by age, all payers

Median age 72

Patient panel by sex, all payers

  • Women47%
  • Men53%

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

Dr. William Everett Gattis wrote 1,316 Medicare Part D claims in 2024

In 2024, Dr. Gattis wrote 1,316 Medicare Part D claims for 222 patients. 88% of them were for generic drugs. CMS names the drug for 869 of them, across 38 drugs with 11 or more claims each, at $63,855 in total drug cost. In 2023, CMS named 430 claims across 20 drugs.

Part D claims, 20241,316
Drugs named by CMS38
Total drug cost$63,855
Part D patients222

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

  • Generic1,156 claims88%
  • Brand-name and other160 claims12%

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

  • Opioids5%68 of 1,316 claims
  • Antibiotics4%51 of 1,316 claims
  • Antipsychotics, patients 65 and over2%20 of 1,316 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: 4302024: 869102%

Drugs named by CMS: 38 in 2024, 20 in 2023.

See all prescribing by Dr. Gattis

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. William Everett Gattis scored 41 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 41 out of 100 for Dr. Gattis for performance year 2024, reported as part of a group. Dr. Gattis accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Gattis' MIPS scores, performance year 2024

  • 41of 100Final score
  • 9.1of 100Quality
  • 100of 100Promoting Interoperability
  • 0of 100Improvement Activities
  • 44of 100Cost

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

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

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Dr. William Everett Gattis graduated from University of New Mexico School of Medicine

Dr. Gattis graduated from University of New Mexico School of Medicine in 1995.

  1. Medical schoolUniversity of New Mexico School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. William Everett Gattis'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)Clinician Public Reporting: Overall MIPS Performance (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. William Everett Gattis

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. William Everett Gattis' NPI number?

Dr. William Everett Gattis' NPI number is 1386611465. It was assigned on March 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William Everett Gattis?

Dr. William Everett Gattis is a family medicine physician in Lake City, Colorado. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. William Everett Gattis practice?

Dr. Gattis practices at 700 N Henson Street, Lake City, CO 81235. Dr. Gattis' primary practice is Lake City Area Medical Center in Lake City, Colorado. Dmand AI also links Dr. Gattis to 1 hospital, 1 group practice or clinic and 1 home health agency.

What is Dr. William Everett Gattis' office phone number?

The practice phone on file for Dr. Gattis is (970) 944-2331.

What is Dr. William Everett Gattis' medical license number?

Dr. Gattis holds Colorado license 40233.

Which hospitals is Dr. William Everett Gattis affiliated with?

Dr. Gattis is affiliated with Montrose Regional Health. Dmand AI links Dr. Gattis to 1 more hospital.

What medical group is Dr. William Everett Gattis part of?

Dr. Gattis is linked to Gunnison Valley Health.

Does Dr. William Everett Gattis accept Medicare?

Yes. CMS data shows Dr. Gattis billed Medicare for 428 services in 2023, and Dr. Gattis accepts Medicare assignment.

What is Dr. William Everett Gattis' MIPS score?

Dr. Gattis' MIPS final score for performance year 2024 is 41 out of 100, reported as part of a group.

How many Medicare patients does Dr. William Everett Gattis see?

CMS counts 11 Medicare patients who saw Dr. Gattis in 2024, with an average age of 73.

Show 4 more questionsShow fewer questions

What services does Dr. William Everett Gattis bill to Medicare?

In 2023, Dr. Gattis' most billed Medicare services were lab and pathology test (85025), lab and pathology test (80047) and lab and pathology test (81001).

Where did Dr. William Everett Gattis go to medical school?

Dr. Gattis graduated from University of New Mexico School of Medicine in 1995.

What drugs does Dr. William Everett Gattis prescribe most?

In 2024 Medicare Part D data, Dr. Gattis' most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Levothyroxine Sodium.

How long has Dr. William Everett Gattis been practicing?

Dr. Gattis graduated from medical school in 1995, 31 years ago.

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