Dr. Jack Roh Oak, MD

  • Bridgeton, MO
  • Vascular surgeon
NPI1326269648PAC ID2062477573
Medicare services, 2024
461
Medicare patients, 2024
340
Part D claims, 2024
215
Hospital affiliations
4
Industry payments
$20,989
Practice address
12303 Depaul Drive, Bridgeton, MO 63044
Practice phone
Call (314) 344-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

SSM Health DePaul Hospital - St. Louis

Hospital · Bridgeton, Missouri

See all 8 affiliations

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Dr. Jack Roh Oak is a vascular surgeon in Bridgeton, Missouri

Dr. Oak practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care.

Dr. Oak's NPI, 1326269648, was assigned on May 2, 2007. Dr. Oak graduated from University of California, San Diego School of Medicine in 2001. Dr. Oak holds Missouri license 2003009197.

NPI and contact details
Medicare PAC ID
2062477573
NPI enumeration date
May 2, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(314) 344-6000
Professional email
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Personal email
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Mobile number
Get number
Sex
Male
Estimated age
51
Medical school graduation
2001

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

Dr. Jack Roh Oak practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri

Dr. Oak's primary practice is SSM Health DePaul Hospital - St. Louis, at 12303 Depaul Drive, Bridgeton, MO 63044 in St. Louis County. The practice phone is (314) 344-6000.

Source: Dmand AI Affiliation Data

Dr. Jack Roh Oak is affiliated with 6 sites of care and 2 medical groups

Dr. Oak's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. Dr. Oak is also affiliated with St. Luke's Hospital. The medical group on file is SSM Health Medical Group. Dmand AI also links Dr. Oak to 2 more hospitals, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group, each named with a free account.

See all 8 affiliations for Dr. Oak

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

Dmand AI tracks the EHR system at Dr. Jack Roh Oak's practice

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

EHR by site
SiteEHR vendor and product
SSM Health DePaul Hospital - St. LouisAvailable 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. Jack Roh Oak is one of 88 vascular surgeons in Missouri

Vascular surgery is Dr. Oak's primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Oak is licensed in Missouri.

Specialties and state licenses

  • Vascular surgery, MissouriPrimaryLicense 2003009197 · taxonomy 2086S0129X

Vascular surgeons near Dr. Oak

Counts of vascular 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. Jack Roh Oak billed Medicare for 461 services in 2024

CMS data shows 461 Medicare services from Dr. Oak across 15 procedure codes in 2024, for 340 Medicare patients. Medicare paid $19,135 for them.

Medicare services, 2024461
Medicare patients340
Paid by Medicare$19,135
Procedure codes15

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

  • 2023
  • 2024
Office and hospital visits
2023: 1502024: 22047%
Tests and treatments
2023: 7762024: 20174%
Imaging
2023: 282024: 4043%

Where Dr. Oak's Medicare services took place, 2024

  • In an office5111%
  • In a facility41089%

Dr. Oak compared with the Missouri median for vascular surgeons, 2024

  • Dr. Oak
  • Missouri median
Medicare services
461vs 458Close to median
Medicare patients
340vs 30013% above
Part D claims
176vs 822.1 times

Medians across 89 vascular surgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Oak'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. Oak

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

Dr. Jack Roh Oak treated 340 Medicare patients in 2024, average age 73

CMS counts 340 Medicare patients who saw Dr. Oak in 2024. The largest group is 65 to 74, with 129 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 3.13, 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. Oak's median patient age at 73, with 48% women.

Medicare patients, 2024340
Average age73
Average risk score3.13
Also on Medicaid19%

Dr. Oak's Medicare patients by age, 2024

Dr. Oak's Medicare patients by sex, 2024

  • Women16047%
  • Men18053%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Chronic kidney disease56%
  4. Arthritis54%
  5. Ischemic heart disease54%
  6. Diabetes51%
  7. Heart failure48%
  8. Mood disorders38%

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

Dr. Oak's patients across all payers

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

Patient panel by age, all payers

Median age 73

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. Jack Roh Oak wrote 215 Medicare Part D claims in 2024

In 2024, Dr. Oak wrote 215 Medicare Part D claims for 90 patients. 87% of them were for generic drugs. CMS names the drug for 176 of them, across 4 drugs with 11 or more claims each, at $30,457 in total drug cost. In 2023, CMS named 228 claims across 4 drugs.

Part D claims, 2024215
Drugs named by CMS4
Total drug cost$30,457
Part D patients90

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

  • Generic186 claims87%
  • Brand-name29 claims13%

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

  • Opioids23%50 of 215 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: 2282024: 17623%

Drugs named by CMS: 4 in 2024, 4 in 2023.

See all prescribing by Dr. Oak

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. Jack Roh Oak ranks in the 79th percentile for leg revascularization (restoring blood flow) in Medicare

Dr. Oak accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 19 procedures of leg revascularization (restoring blood flow) by Dr. Oak, more than 79% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Oak ranks in Medicare procedure volume

Leg revascularization (restoring blood flow)
79th percentile19 procedures
Spinal fusion
29th percentile12 procedures

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

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Varicose vein removal: 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. Jack Roh Oak received $20,989 in industry payments from 2016 to 2025

CMS Open Payments shows 75 general payments to Dr. Oak from 32 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 69% of the total. Penumbra, Inc. paid the most, $16,757.

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

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

$21Kin total
  • Speaker and faculty fees$14,40069%
  • Travel and lodging$3,34916%
  • Food and beverage$3,24015%

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

Share is of all general payments to this clinician.

See all payments to Dr. Oak

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

Dr. Jack Roh Oak graduated from University of California, San Diego School of Medicine

Dr. Oak graduated from University of California, San Diego School of Medicine in 2001.

  1. Medical schoolUniversity of California, San Diego School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jack Roh Oak'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. Jack Roh Oak

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. Jack Roh Oak's NPI number?

Dr. Jack Roh Oak's NPI number is 1326269648. It was assigned on May 2, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Jack Roh Oak?

Dr. Jack Roh Oak is a vascular surgeon in Bridgeton, Missouri. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Jack Roh Oak practice?

Dr. Oak practices at 12303 Depaul Drive, Bridgeton, MO 63044. Dr. Oak's primary practice is SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri, part of SSM Health Care. Dmand AI also links Dr. Oak to 2 hospitals, 1 group practice or clinic, 1 hospital outpatient department and 1 medical group.

What is Dr. Jack Roh Oak's office phone number?

The practice phone on file for Dr. Oak is (314) 344-6000.

What is Dr. Jack Roh Oak's medical license number?

Dr. Oak holds Missouri license 2003009197.

Which hospitals is Dr. Jack Roh Oak affiliated with?

Dr. Oak practices at SSM Health DePaul Hospital - St. Louis in Bridgeton, Missouri. Dr. Oak is also affiliated with St. Luke's Hospital. Dmand AI links Dr. Oak to 2 more hospitals.

What medical group is Dr. Jack Roh Oak part of?

Dr. Oak is linked to SSM Health Medical Group. Dmand AI links Dr. Oak to 1 more medical group.

Does Dr. Jack Roh Oak accept Medicare?

Yes. CMS data shows Dr. Oak billed Medicare for 461 services in 2024, and Dr. Oak accepts Medicare assignment.

How many Medicare patients does Dr. Jack Roh Oak see?

CMS counts 340 Medicare patients who saw Dr. Oak in 2024, with an average age of 73.

What services does Dr. Jack Roh Oak bill to Medicare?

In 2024, Dr. Oak's most billed Medicare services were office visit, established patient (99213), blood vessel study (93922) and blood vessel study (93970).

Show 4 more questionsShow fewer questions

Where did Dr. Jack Roh Oak go to medical school?

Dr. Oak graduated from University of California, San Diego School of Medicine in 2001.

What drugs does Dr. Jack Roh Oak prescribe most?

In 2024 Medicare Part D data, Dr. Oak's most prescribed drugs by claims were Clopidogrel, Hydrocodone-Acetaminophen and Eliquis.

Has Dr. Jack Roh Oak received payments from drug or device companies?

CMS Open Payments shows $20,989 in general payments to Dr. Oak from 32 companies from 2016 to 2025. The largest total came from Penumbra, Inc.

How long has Dr. Jack Roh Oak been practicing?

Dr. Oak graduated from medical school in 2001, 25 years ago.

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