Dr. Mark C. Petitjean, MD

  • Shreveport, LA
  • Otolaryngologist
NPI1902888019PAC ID4688773849
Medicare services, 2024
292
Medicare patients, 2024
147
Part D claims, 2024
258
MIPS score, 2024
96
Hospital affiliations
3
Practice address
1450 Claiborne Ave, Shreveport, LA 71103
Practice phone
Call (337) 261-6000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lsumc University Medical Center

Shreveport, Louisiana

See all 5 affiliations

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Dr. Mark C. Petitjean is an otolaryngologist in Shreveport, Louisiana

Dr. Petitjean practices at Lsumc University Medical Center in Shreveport, Louisiana.

Dr. Petitjean's NPI, 1902888019, was assigned on November 15, 2005. Dr. Petitjean graduated from Louisiana State University School of Medicine in New Orleans in 1985. Dr. Petitjean holds Louisiana license 018518.

NPI and contact details
Medicare PAC ID
4688773849
NPI enumeration date
November 15, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(337) 261-6000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. Mark C. Petitjean practices at Lsumc University Medical Center in Shreveport, Louisiana

Dr. Petitjean's primary practice is Lsumc University Medical Center, at 1450 Claiborne Ave, Shreveport, LA 71103 in Caddo Parish. The practice phone is (337) 261-6000.

  • Lsumc University Medical Center
    1450 Claiborne Ave, Shreveport, LA 71103 · Caddo ParishPhone(337) 261-6000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mark C. Petitjean is affiliated with 4 sites of care and 1 medical group

Dr. Petitjean's primary practice is Lsumc University Medical Center in Shreveport, Louisiana. Dr. Petitjean is also affiliated with Ochsner Lafayette General Medical Center. The medical group on file is LSU Healthcare Network. Dmand AI also links Dr. Petitjean to 2 more hospitals, each named with a free account.

See all 5 affiliations for Dr. Petitjean

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Mark C. Petitjean's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Petitjean practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lsumc University Medical CenterAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark C. Petitjean is one of 193 otolaryngologists in Louisiana

Otolaryngology is Dr. Petitjean's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Petitjean is licensed in Louisiana.

Specialties and state licenses

  • Otolaryngology, LouisianaPrimaryLicense 018518 · taxonomy 207Y00000X

Otolaryngologists near Dr. Petitjean

Counts of otolaryngologists 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. Mark C. Petitjean billed Medicare for 292 services in 2024

CMS data shows 292 Medicare services from Dr. Petitjean across 6 procedure codes in 2024, for 147 Medicare patients. Medicare paid $15,774 for them.

Medicare services, 2024292
Medicare patients147
Paid by Medicare$15,774
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 2192024: 2161%
Surgery
2023: 692024: 7610%

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

  • In an office114%
  • In a facility28196%

Dr. Petitjean compared with the Louisiana median for otolaryngologists, 2024

  • Dr. Petitjean
  • Louisiana median
Medicare services
292vs 53846% below
Medicare patients
147vs 22234% below
Part D claims
168vs 23328% below

Medians across 205 otolaryngologists in Louisiana with Dmand AI profiles that report each measure.

Dr. Petitjean'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. Petitjean

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

Dr. Mark C. Petitjean treated 147 Medicare patients in 2024, average age 68

CMS counts 147 Medicare patients who saw Dr. Petitjean in 2024. The largest group is 65 to 74, with 72 patients. 74% of them have high blood pressure, and 72% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.56, 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. Petitjean's median patient age at 54, with 55% women.

Medicare patients, 2024147
Average age68
Average risk score1.56
Also on Medicaid48%

Dr. Petitjean's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Petitjean's Medicare patients by sex, 2024

  • Women6947%
  • Men7853%

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

  1. High blood pressure74%
  2. High cholesterol72%
  3. Arthritis40%
  4. Anxiety33%
  5. Diabetes33%
  6. COPD31%
  7. Mood disorders29%
  8. Chronic kidney disease27%

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

Dr. Petitjean's patients across all payers

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

Patient panel by age, all payers

Median age 54

Patient panel by sex, all payers

  • Women55%
  • Men44%

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

Dr. Mark C. Petitjean wrote 258 Medicare Part D claims in 2024

In 2024, Dr. Petitjean wrote 258 Medicare Part D claims for 77 patients. 95% of them were for generic drugs. CMS names the drug for 168 of them, across 7 drugs with 11 or more claims each, at $3,021 in total drug cost. In 2023, CMS named 134 claims across 5 drugs.

Part D claims, 2024258
Drugs named by CMS7
Total drug cost$3,021
Part D patients77

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

  • Generic244 claims95%
  • Brand-name14 claims5%

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

  • Antibiotics5%14 of 258 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: 1342024: 16825%

Drugs named by CMS: 7 in 2024, 5 in 2023.

See all prescribing by Dr. Petitjean

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. Mark C. Petitjean scored 96 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 96 out of 100 for Dr. Petitjean for performance year 2024, reported as part of a group. Dr. Petitjean accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Petitjean as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Petitjean's MIPS scores, performance year 2024

  • 96of 100Final score
  • 82.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 71of 100Cost

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

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

Skin biopsy: 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); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Mark C. Petitjean received $1,023 in industry payments from 2022 to 2025

CMS Open Payments shows 22 general payments to Dr. Petitjean from 10 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $360.

General payments to Dr. Petitjean by program year, 2022 to 2025

Companies that paid Dr. Petitjean the most, 2022 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Petitjean

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

Dr. Mark C. Petitjean graduated from Louisiana State University School of Medicine in New Orleans

Dr. Petitjean graduated from Louisiana State University School of Medicine in New Orleans in 1985.

  1. Medical schoolLouisiana State University School of Medicine in New Orleans

Source: Dmand AI Professional Profile Data

Sources for Dr. Mark C. Petitjean'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)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. Mark C. Petitjean

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. Mark C. Petitjean's NPI number?

Dr. Mark C. Petitjean's NPI number is 1902888019. It was assigned on November 15, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark C. Petitjean?

Dr. Mark C. Petitjean is an otolaryngologist in Shreveport, Louisiana. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).

Where does Dr. Mark C. Petitjean practice?

Dr. Petitjean practices at 1450 Claiborne Ave, Shreveport, LA 71103. Dr. Petitjean's primary practice is Lsumc University Medical Center in Shreveport, Louisiana. Dmand AI also links Dr. Petitjean to 2 hospitals.

What is Dr. Mark C. Petitjean's office phone number?

The practice phone on file for Dr. Petitjean is (337) 261-6000.

What is Dr. Mark C. Petitjean's medical license number?

Dr. Petitjean holds Louisiana license 018518.

Which hospitals is Dr. Mark C. Petitjean affiliated with?

Dr. Petitjean is affiliated with Ochsner Lafayette General Medical Center. Dmand AI links Dr. Petitjean to 2 more hospitals.

What medical group is Dr. Mark C. Petitjean part of?

Dr. Petitjean is linked to LSU Healthcare Network.

Does Dr. Mark C. Petitjean accept Medicare?

Yes. CMS data shows Dr. Petitjean billed Medicare for 292 services in 2024, and Dr. Petitjean accepts Medicare assignment.

Does Dr. Mark C. Petitjean offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Petitjean as offering telehealth services.

What is Dr. Mark C. Petitjean's MIPS score?

Dr. Petitjean's MIPS final score for performance year 2024 is 96 out of 100, reported as part of a group.

Show 6 more questionsShow fewer questions

How many Medicare patients does Dr. Mark C. Petitjean see?

CMS counts 147 Medicare patients who saw Dr. Petitjean in 2024, with an average age of 68.

What services does Dr. Mark C. Petitjean bill to Medicare?

In 2024, Dr. Petitjean's most billed Medicare services were office visit, established patient (99213), surgery: lungs and airway (31575) and office visit, established patient (99214).

Where did Dr. Mark C. Petitjean go to medical school?

Dr. Petitjean graduated from Louisiana State University School of Medicine in New Orleans in 1985.

What drugs does Dr. Mark C. Petitjean prescribe most?

In 2024 Medicare Part D data, Dr. Petitjean's most prescribed drugs by claims were Ipratropium Bromide, Fluticasone Propionate and Levothyroxine Sodium.

Has Dr. Mark C. Petitjean received payments from drug or device companies?

CMS Open Payments shows $1,023 in general payments to Dr. Petitjean from 10 companies from 2022 to 2025. The largest total came from Stryker Corporation.

How long has Dr. Mark C. Petitjean been practicing?

Dr. Petitjean graduated from medical school in 1985, 41 years ago.

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