Dr. Michael S. Atha, MD

  • Lone Tree, CO
  • Hospitalist
NPI1487632030PAC ID4981741279
Medicare services, 2024
1,628
Medicare patients, 2024
553
Part D claims, 2021
15
MIPS score, 2024
79
Hospital affiliations
4
Practice address
10101 Ridgegate Pkwy, Lone Tree, CO 80124
Practice phone
Call (720) 225-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

HCA HealthONE Sky Ridge

Hospital · Lone Tree, Colorado

See all 8 affiliations

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Dr. Michael S. Atha is a hospitalist in Lone Tree, Colorado

Dr. Atha practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare.

Dr. Atha's NPI, 1487632030, was assigned on January 4, 2006. Dr. Atha graduated from University of Kansas School of Med (KC/Wich/Sal) in 2002. Dr. Atha holds Colorado license 47994.

NPI and contact details
Medicare PAC ID
4981741279
NPI enumeration date
January 4, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(720) 225-1000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
50
Medical school graduation
2002

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

Dr. Michael S. Atha practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado

Dr. Atha's primary practice is HCA HealthONE Sky Ridge, at 10101 Ridgegate Pkwy, Lone Tree, CO 80124 in Douglas County. The practice phone is (720) 225-1000.

Source: Dmand AI Affiliation Data

Dr. Michael S. Atha is affiliated with 6 sites of care and 2 medical groups

Dr. Atha's primary practice is HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare. Dr. Atha is also affiliated with UCHealth Highlands Ranch Hospital. The medical group on file is Cornerstone Specialty Hospitals Tucson. Dmand AI also links Dr. Atha to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Atha

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

Dmand AI tracks the EHR system at Dr. Michael S. Atha's practice

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

EHR by site
SiteEHR vendor and product
HCA HealthONE Sky RidgeAvailable with a free account
+5 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael S. Atha is one of 758 hospitalists in Colorado

Hospitalist is Dr. Atha's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Atha is licensed in Colorado.

Specialties and state licenses

  • Hospitalist, ColoradoPrimaryLicense 47994 · taxonomy 208M00000X

Hospitalists near Dr. Atha

Counts of hospitalists 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. Michael S. Atha billed Medicare for 1,628 services in 2024

CMS data shows 1,628 Medicare services from Dr. Atha across 4 procedure codes in 2024, for 553 Medicare patients. Medicare paid $123,486 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 20241,628
Medicare patients553
Paid by Medicare$123,486
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 1,1512024: 1,62841%

Dr. Atha compared with the Colorado median for hospitalists, 2024

  • Dr. Atha
  • Colorado median
Medicare services
1,628vs 2845.7 times
Medicare patients
553vs 1603.5 times
Part D claims
15vs 4163% below

Medians across 646 hospitalists in Colorado with Dmand AI profiles that report each measure.

Dr. Atha'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. Atha

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

Dr. Michael S. Atha treated 553 Medicare patients in 2024, average age 76

CMS counts 553 Medicare patients who saw Dr. Atha in 2024. The largest group is 75 to 84, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.95, 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. Atha's median patient age at 74, with 57% women.

Medicare patients, 2024553
Average age76
Average risk score1.95
Also on Medicaid11%

Dr. Atha's Medicare patients by age, 2024

Dr. Atha's Medicare patients by sex, 2024

  • Women33260%
  • Men22140%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis73%
  4. Mood disorders46%
  5. Anxiety44%
  6. Depression42%
  7. Chronic kidney disease40%
  8. Ischemic heart disease38%

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

Dr. Atha's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women57%
  • Men42%

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

Dr. Michael S. Atha wrote 15 Medicare Part D claims in 2021

In 2021, Dr. Atha wrote 15 Medicare Part D claims. They cover 1 drug, with $7,802 in total drug cost. In 2020, CMS named 15 claims across 1 drug.

Part D claims, 202115
Drugs named by CMS1
Total drug cost$7,802

Dr. Atha's most prescribed drugs by claims, 2021

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, 2020 to 2021

  • 2020
  • 2021
Claims for drugs CMS names
2020: 152021: 15No change

Drugs named by CMS: 1 in 2021, 1 in 2020.

See all prescribing by Dr. Atha

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Michael S. Atha scored 79 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Atha for performance year 2024, reported as part of a group. Dr. Atha accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Atha's MIPS scores, performance year 2024

  • 79of 100Final score
  • 69.3of 100Quality
  • 40of 100Improvement Activities
  • 70of 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. Michael S. Atha received $350 in industry payments from 2017 to 2018

CMS Open Payments shows 3 general payments to Dr. Atha from 1 drug or device company from 2017 to 2018. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $350.

General payments to Dr. Atha by program year, 2017 to 2018

Companies that paid Dr. Atha the most, 2017 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Atha

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

Dr. Michael S. Atha graduated from University of Kansas School of Med (KC/Wich/Sal)

Dr. Atha graduated from University of Kansas School of Med (KC/Wich/Sal) in 2002.

  1. Medical schoolUniversity of Kansas School of Med (KC/Wich/Sal)

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael S. Atha'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)
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)
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. Michael S. Atha

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. Michael S. Atha's NPI number?

Dr. Michael S. Atha's NPI number is 1487632030. It was assigned on January 4, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael S. Atha?

Dr. Michael S. Atha is a hospitalist in Lone Tree, Colorado. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Michael S. Atha practice?

Dr. Atha practices at 10101 Ridgegate Pkwy, Lone Tree, CO 80124. Dr. Atha's primary practice is HCA HealthONE Sky Ridge in Lone Tree, Colorado, part of HCA Healthcare. Dmand AI also links Dr. Atha to 2 hospitals, 2 group practices and clinics and 1 medical group.

What is Dr. Michael S. Atha's office phone number?

The practice phone on file for Dr. Atha is (720) 225-1000.

What is Dr. Michael S. Atha's medical license number?

Dr. Atha holds Colorado license 47994.

Which hospitals is Dr. Michael S. Atha affiliated with?

Dr. Atha practices at HCA HealthONE Sky Ridge in Lone Tree, Colorado. Dr. Atha is also affiliated with UCHealth Highlands Ranch Hospital. Dmand AI links Dr. Atha to 2 more hospitals.

What medical group is Dr. Michael S. Atha part of?

Dr. Atha is linked to Cornerstone Specialty Hospitals Tucson. Dmand AI links Dr. Atha to 1 more medical group.

Does Dr. Michael S. Atha accept Medicare?

Yes. CMS data shows Dr. Atha billed Medicare for 1,628 services in 2024, and Dr. Atha accepts Medicare assignment.

What is Dr. Michael S. Atha's MIPS score?

Dr. Atha's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.

How many Medicare patients does Dr. Michael S. Atha see?

CMS counts 553 Medicare patients who saw Dr. Atha in 2024, with an average age of 76.

Show 5 more questionsShow fewer questions

What services does Dr. Michael S. Atha bill to Medicare?

In 2024, Dr. Atha's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and hospital inpatient care (99233).

Where did Dr. Michael S. Atha go to medical school?

Dr. Atha graduated from University of Kansas School of Med (KC/Wich/Sal) in 2002.

What drugs does Dr. Michael S. Atha prescribe most?

In 2021 Medicare Part D data, Dr. Atha's most prescribed drugs by claims were Eliquis.

Has Dr. Michael S. Atha received payments from drug or device companies?

CMS Open Payments shows $350 in general payments to Dr. Atha from 1 company from 2017 to 2018. The largest total came from Janssen Pharmaceuticals, Inc.

How long has Dr. Michael S. Atha been practicing?

Dr. Atha graduated from medical school in 2002, 24 years ago.

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