MARK PEAL POSNER M.D.
NPI 1255391660
Urology in Baton Rouge, LA

Q: What is Mark Posner's NPI number?

The NPI number for Mark Posner is 1255391660. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Q: What is Mark Posner's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Posner was last updated on May 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 28, 2006PECOS EnrolledAccepts Medicare Assignment

83.15/100

CMS Quality Rating

7777 HENNESSY BLVD, SUITE 2004, BATON ROUGE, LA 70808(225) 769-2500(225) 769-9424 Get Directions Write a Review

NPPES record last updated: May 28, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Mark Peal Posner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARK PEAL POSNER M.D. (NPI 1255391660) is an individual urology provider in Baton Rouge, Louisiana, licensed in Louisiana (020169) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Our Lady Of The Lake Regional Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1988).

NPPES Registry Identity

NPI1255391660

Entity TypeIndividualMale

Primary Taxonomy208800000X

Provider Legal NameMARK PEAL POSNERCredential: M.D.

Location Address7777 HENNESSY BLVD, SUITE 2004Baton Rouge, LA 70808-4300

Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 769-2500 · Fax (225) 765-6916

Phone(225) 769-2500

Fax(225) 769-9424

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 1988

Enumeration DateMarch 28, 2006

Last NPPES UpdateMay 28, 2025

NPPES CertifiedMay 28, 2025

✔ NPI 1255391660 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians

Taxonomy Code208800000X

License✔ Licensed in LA · 020169

Definition

A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.

7777 HENNESSY BLVD, Baton Rouge, LA 70808

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Other Identifiers 1

Medicaid1984094LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark Peal Posner M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1759489065

PECOS Enrollment IDI20101208000220

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 32

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

2,490 services25 patients

Injection, testosterone cypionate, 1 mg J1071

Testosterone cypionate is a medication given via injection to help balance hormone levels in your body. It's typically used when your body doesn't produce enough of this hormone naturally. The 1 mg dose refers to the amount of medication in each injection.

2,287 services12 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

901 services608 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

587 services425 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

459 services356 patients

Ultrasound measurement of bladder capacity after voiding 51798

Ultrasound measurement of bladder capacity after voiding is a non-invasive test that uses sound waves to create images of your bladder. It's done after you've emptied your bladder to see if there's any leftover urine, which can help diagnose certain conditions.

450 services370 patients

Psa (prostate specific antigen) measurement, total 84153

PSA measurement is a simple blood test that checks for a specific protein produced by your body. High levels could indicate a health issue that needs further investigation. It's often used to monitor general wellness and is part of routine health screening.

373 services297 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

335 services291 patients

Bacterial colony count, urine 87086

A bacterial colony count, urine, is a laboratory test that checks a urine sample for bacteria. It helps to identify if an infection is present in the urinary system. High numbers of bacteria in the urine can indicate a urinary tract infection (UTI).

208 services143 patients

X-ray of abdomen, 1 view 74018

An X-ray of the abdomen, 1 view, is a quick and painless imaging test. It uses a small amount of radiation to produce images of the structures in your abdomen, such as the stomach, liver, and intestines. This can help identify issues like blockages, infections, or injuries.

163 services115 patients

Complete ultrasound scan behind abdominal cavity 76770

A complete ultrasound scan behind the abdominal cavity is a non-invasive imaging procedure. It uses sound waves to create pictures of the structures and organs located at the back of your abdomen. It helps in diagnosing health conditions and monitoring ongoing treatments.

146 services135 patients

Limited ultrasound scan behind abdominal cavity 76775

A limited ultrasound scan behind the abdominal cavity is a non-invasive imaging method that helps visualize structures in the back of your abdomen. This procedure uses sound waves to create pictures of these areas, assisting in diagnosing certain conditions.

110 services106 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

107 services97 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

94 services25 patients

Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral) 87184

Evaluation of antimicrobial drugs involves testing how effective these medicines are in stopping harmful microorganisms. This can include bacteria (antibiotics), fungi (antifungals), or viruses (antivirals). The goal is to ensure the right medicine is used for your condition.

92 services60 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

87 services33 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

60 services50 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

60 services50 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

58 services53 patients

Protein test for diagnosis and monitoring of bladder cancer 86386

A protein test is a non-invasive procedure to check for bladder abnormalities. It involves analyzing a urine sample for specific proteins that might indicate the presence of abnormal cells. This test aids in early detection and monitoring of potential health concerns.

55 services55 patients

Diagnostic exam of bladder and urethra using an endoscope 52000

This procedure involves using a thin, flexible tube with a light, called an endoscope, to examine the bladder and urethra. It helps in identifying any abnormalities or issues that may be causing discomfort or other symptoms.

47 services39 patients

Testosterone (hormone) level, total 84403

A total testosterone level test measures the amount of a key hormone in your body. This hormone influences various body functions such as muscle mass, energy levels, and mood. The test involves a simple blood draw, and results help monitor health conditions.

47 services40 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

42 services37 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

42 services42 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

40 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

30 services28 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

28 services25 patients

Ct scan of abdomen and pelvis before and after contrast 74178

A CT scan of your abdomen and pelvis with and without contrast helps visualize your internal organs better. Contrast is a special dye that improves the clarity of the images. It's taken orally or injected into your veins before the scan. The process is painless and quick.

23 services23 patients

Uric acid level 84560

A uric acid level test measures the amount of uric acid in your blood. Uric acid is a chemical produced when your body breaks down foods that contain organic compounds called purines. High levels may indicate gout, kidney disease, or certain types of cancer. Low levels may indicate kidney disease or excessive alcohol consumption.

20 services19 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

20 services20 patients

Insertion of stent in ureter using an endoscope 52332

This procedure involves placing a small, flexible tube (stent) in your body's drainage system to help urine flow from the kidneys to the bladder. An endoscope, a thin tube with a light and camera, is used for precise placement.

18 services12 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

16 services16 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Our Lady Of The Lake Regional Medical Center

Acute Care Hospitals · Baton Rouge, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number190064

Location5000 Hennessy BlvdBaton Rouge, LA 70808 · E. Baton Rouge County

Emergency services

Baton Rouge General Medical Center

Acute Care Hospitals · Baton Rouge, LA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190065

Location8585 Picardy AveBaton Rouge, LA 70809 · E. Baton Rouge County

Emergency services Birthing friendly

Womans Hospital

Acute Care Hospitals · Baton Rouge, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190128

Location100 Woman's WayBaton Rouge, LA 70817 · E. Baton Rouge County

Emergency services Birthing friendly

Surgical Specialty Center Of Baton Rouge

Acute Care Hospitals · Baton Rouge, LA

OwnershipPhysician

CMS Certification Number190251

Location8080 Bluebonnet BlvdBaton Rouge, LA 70810 · E. Baton Rouge County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70808 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$67.06 typical visit price

range $16.64 – $133.62

Typical copayment $16.76 (range $4.16 – $33.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

83.15/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

83.89

Improvement Activities

Cost

65.31

Reported Quality Measures

Advance Care Plan

34%1,658 patients2/55-star benchmark: 100%

Colorectal Cancer Screening

0%1,589 patients1/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

4%4,014 patients1/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 57% · 999 patients

Patients screened: 59% · 999 patients

54%39 patients3/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients screened: 10% · 946 patients

10%946 patients

Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older

100%407 patients5/55-star benchmark: 100%

Urinary Incontinence: Plan of Care for Urinary Incontinence in Women Aged 65 Years and Older

100%183 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Lubricant, individual sterile packet, each A4332

DME-Medical/Surgical Supplies · category DA000N

2 suppliers13 claims2,124 services$0.10 avg. paid by Medicare

Intermittent urinary catheter; straight tip, with or without coating (teflon, silicone, silicone elastomer, or hydrophilic, etc.), each A4351

DME-Orthotic Devices · category DF008N

5 suppliers34 claims5,080 services$1.56 avg. paid by Medicare

Intermittent urinary catheter; coude (curved) tip, with or without coating (teflon, silicone, silicone elastomeric, or hydrophilic, etc.), each A4352

DME-Orthotic Devices · category DF008N

1 supplier37 claims4,830 services$5.26 avg. paid by Medicare

Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each A4357

DME-Orthotic Devices · category DF000N

4 suppliers14 claims40 services$8.58 avg. paid by Medicare

Lubricant, per ounce A4402

DME-Orthotic Devices · category DF010N

2 suppliers26 claims184 services$1.51 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

OUR LADY OF THE LAKE

Psychiatry & Neurology (Psychiatry)

7777 HENNESSY BLVD, SUITE 6000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 765-8648

THOMAS P QUAID M D

Internal Medicine (Cardiovascular Disease)

7777 HENNESSY BLVD, SUITE 1000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 767-3900

MR. GEORGE DEMETRIOS FIVGAS MD

Ophthalmology

7777 HENNESSY BLVD, STE 3000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 768-9300

JEFFREY KEITH MOONAN M.D.

Internal Medicine (Cardiovascular Disease)

7777 HENNESSY BLVD, SUITE 1000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 767-3900

TERRY GOODARD REHN MD

Internal Medicine (Cardiovascular Disease)

7777 HENNESSY BLVD, SUITE 1000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 767-3900

ANGELIQUE ALEGRIA WIMBERLY P.A.

Physician Assistant (Medical)

7777 HENNESSY BLVD, SUITE 1000
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 767-3900

CORNELIUS LAFFITTE MAYFIELD MD

Internal Medicine

7777 HENNESSY BLVD, STE 102
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 214-4300

DR. JAMES LIN M.D.

Otolaryngology

7777 HENNESSY BLVD, SUITE 709
BATON ROUGE, LA 70808

East Baton Rouge Parish (225) 765-7735

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Posner's NPI number?

The NPI number for Mark Posner is 1255391660. It was assigned to this individual provider in the NPPES registry on March 28, 2006.

Where is Mark Posner located?

Mark Posner practices at 7777 Hennessy Blvd Suite 2004, Baton Rouge, LA 70808. The listed phone number is (225) 769-2500.

What is Mark Posner's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

Is Mark Posner enrolled in Medicare?

Yes. Mark Posner is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Posner accept?

Health plans from Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Magnolia Health, Ambetter from Superior HealthPlan and AmeriHealth Caritas Next and 3 other insurers list Mark Posner as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Posner affiliated with any hospitals?

According to CMS data, Mark Posner is affiliated with Our Lady Of The Lake Regional Medical Center, Baton Rouge General Medical Center, Womans Hospital and Surgical Specialty Center Of Baton Rouge.

When was this NPI record last updated?

The NPPES record for Mark Posner was last updated on May 28, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.