Dr. Michael R. Phillips, MD

  • Tulsa, OK
  • Cardiothoracic surgeon
NPI1619904513PAC ID4385540160
Medicare services, 2024
429
Medicare patients, 2024
256
Part D claims, 2024
154
Hospital affiliations
5
Industry payments
$42,009
Practice address
1923 South Utica Avenue, Tulsa, OK 74104
Practice phone
Call (918) 744-2296
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ascension St. John Medical Center

Hospital · Tulsa, Oklahoma

See all 11 affiliations

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Dr. Michael R. Phillips is a cardiothoracic surgeon in Tulsa, Oklahoma

Dr. Phillips practices at Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance.

Dr. Phillips' NPI, 1619904513, was assigned on June 27, 2006. Dr. Phillips graduated from University of Missouri, Columbia School of Medicine in 1993. Dr. Phillips holds Oklahoma license 29306.

NPI and contact details
Medicare PAC ID
4385540160
NPI enumeration date
June 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(918) 744-2296
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

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

Dr. Michael R. Phillips practices at Ascension St. John Medical Center in Tulsa, Oklahoma

Dr. Phillips' primary practice is Ascension St. John Medical Center, at 1923 South Utica Avenue, Tulsa, OK 74104 in Tulsa County. The practice phone is (918) 744-2296.

Source: Dmand AI Affiliation Data

Dr. Michael R. Phillips is affiliated with 8 sites of care and 3 medical groups

Dr. Phillips' primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dr. Phillips is also affiliated with Saint Francis Hospital Muskogee. The medical group on file is Ascension St. John. Dmand AI also links Dr. Phillips to 3 more hospitals, 2 home health agencies, 2 medical groups and 1 urgent care center, each named with a free account.

See all 11 affiliations for Dr. Phillips

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

Dmand AI tracks the EHR system at Dr. Michael R. Phillips' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phillips practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ascension St. John Medical CenterAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Michael R. Phillips is one of 46 cardiothoracic surgeons in Oklahoma

Thoracic surgery (cardiothoracic vascular surgery) is Dr. Phillips' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. Phillips' licenses on file in 2 states: Oklahoma and Missouri.

Specialties and state licenses

  • Thoracic surgery (cardiothoracic vascular surgery), OklahomaPrimaryLicense 29306 · taxonomy 208G00000X
  • Missouri licenseLicense 118211

Cardiothoracic surgeons near Dr. Phillips

Counts of cardiothoracic 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. Michael R. Phillips billed Medicare for 429 services in 2024

CMS data shows 429 Medicare services from Dr. Phillips across 14 procedure codes in 2024, for 256 Medicare patients. Medicare paid $75,505 for them.

Medicare services, 2024429
Medicare patients256
Paid by Medicare$75,505
Procedure codes14

Dr. Phillips' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 3162024: 35312%
Surgery
2023: 1162024: 7634%

Where Dr. Phillips' Medicare services took place, 2024

  • In an office27564%
  • In a facility15436%

Dr. Phillips compared with the Oklahoma median for cardiothoracic surgeons, 2024

  • Dr. Phillips
  • Oklahoma median
Medicare services
429vs 1502.9 times
Medicare patients
256vs 1092.3 times
Part D claims
85vs 5749% above

Medians across 46 cardiothoracic surgeons in Oklahoma with Dmand AI profiles that report each measure.

Dr. Phillips' 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. Phillips

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

Dr. Michael R. Phillips treated 256 Medicare patients in 2024, average age 73

CMS counts 256 Medicare patients who saw Dr. Phillips in 2024. The largest group is 65 to 74, with 116 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.85, 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. Phillips' median patient age at 69, with 41% women.

Medicare patients, 2024256
Average age73
Average risk score1.85
Also on Medicaid9%

Dr. Phillips' Medicare patients by age, 2024

Dr. Phillips' Medicare patients by sex, 2024

  • Women11445%
  • Men14255%

Chronic conditions among Dr. Phillips' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease66%
  4. Diabetes48%
  5. Heart failure45%
  6. Arthritis42%
  7. Atrial fibrillation38%
  8. Chronic kidney disease37%

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

Dr. Phillips' patients across all payers

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

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women41%
  • Men59%

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

Dr. Michael R. Phillips wrote 154 Medicare Part D claims in 2024

In 2024, Dr. Phillips wrote 154 Medicare Part D claims for 74 patients. 88% of them were for generic drugs. CMS names the drug for 85 of them, across 3 drugs with 11 or more claims each, at $613 in total drug cost. In 2023, CMS named 86 claims across 3 drugs.

Part D claims, 2024154
Drugs named by CMS3
Total drug cost$613
Part D patients74

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

  • Generic136 claims88%
  • Brand-name18 claims12%

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

  • Opioids24%37 of 154 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: 862024: 851%

Drugs named by CMS: 3 in 2024, 3 in 2023.

See all prescribing by Dr. Phillips

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. Michael R. Phillips ranks in the 80th percentile for coronary artery bypass graft (cabg) in Medicare

Dr. Phillips accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 27 procedures of coronary artery bypass graft (cabg) by Dr. Phillips, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Phillips ranks in Medicare procedure volume

Coronary artery bypass graft (CABG)
80th percentile27 procedures

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

Leg revascularization (restoring blood flow): 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. Michael R. Phillips received $42,009 in industry payments from 2016 to 2025

CMS Open Payments shows 775 general payments to Dr. Phillips from 70 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Medtronic, Inc. paid the most, $5,556.

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

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

$42Kin total
  • Food and beverage$38,57492%
  • Travel and lodging$3,2798%
  • Education$1270%
  • Consulting fees$290%

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

Share is of all general payments to this clinician.

See all payments to Dr. Phillips

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

Dr. Michael R. Phillips graduated from University of Missouri, Columbia School of Medicine

Dr. Phillips graduated from University of Missouri, Columbia School of Medicine in 1993.

  1. Medical schoolUniversity of Missouri, Columbia School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Michael R. Phillips'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. Michael R. Phillips

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 R. Phillips' NPI number?

Dr. Michael R. Phillips' NPI number is 1619904513. It was assigned on June 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael R. Phillips?

Dr. Michael R. Phillips is a cardiothoracic surgeon in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).

Where does Dr. Michael R. Phillips practice?

Dr. Phillips practices at 1923 South Utica Avenue, Tulsa, OK 74104. Dr. Phillips' primary practice is Ascension St. John Medical Center in Tulsa, Oklahoma, part of Ascension Health Alliance. Dmand AI also links Dr. Phillips to 3 hospitals, 2 home health agencies, 2 medical groups and 1 urgent care center.

What is Dr. Michael R. Phillips' office phone number?

The practice phone on file for Dr. Phillips is (918) 744-2296.

What is Dr. Michael R. Phillips' medical license number?

Dr. Phillips holds Oklahoma license 29306, one of the licenses on file in 2 states.

Which states has Dr. Michael R. Phillips been licensed in?

Dmand AI has state licenses on file for Dr. Phillips in Oklahoma and Missouri.

Which hospitals is Dr. Michael R. Phillips affiliated with?

Dr. Phillips practices at Ascension St. John Medical Center in Tulsa, Oklahoma. Dr. Phillips is also affiliated with Saint Francis Hospital Muskogee. Dmand AI links Dr. Phillips to 3 more hospitals.

What medical group is Dr. Michael R. Phillips part of?

Dr. Phillips is linked to Ascension St. John. Dmand AI links Dr. Phillips to 2 more medical groups.

Does Dr. Michael R. Phillips accept Medicare?

Yes. CMS data shows Dr. Phillips billed Medicare for 429 services in 2024, and Dr. Phillips accepts Medicare assignment.

How many Medicare patients does Dr. Michael R. Phillips see?

CMS counts 256 Medicare patients who saw Dr. Phillips in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Michael R. Phillips bill to Medicare?

In 2024, Dr. Phillips' most billed Medicare services were office visit, established patient (99213), office visit, new patient (99204) and office visit, established patient (99214).

Where did Dr. Michael R. Phillips go to medical school?

Dr. Phillips graduated from University of Missouri, Columbia School of Medicine in 1993.

What drugs does Dr. Michael R. Phillips prescribe most?

In 2024 Medicare Part D data, Dr. Phillips' most prescribed drugs by claims were Clopidogrel, Oxycodone HCl and Mupirocin.

Has Dr. Michael R. Phillips received payments from drug or device companies?

CMS Open Payments shows $42,009 in general payments to Dr. Phillips from 70 companies from 2016 to 2025. The largest total came from Medtronic, Inc.

How long has Dr. Michael R. Phillips been practicing?

Dr. Phillips graduated from medical school in 1993, 33 years ago.

Selling to thoracic surgery (cardiothoracic vascular surgery) practices?

See cardiothoracic surgeons in Oklahoma by site of care and group

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