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MR. MARK ANTHONY HERRERA OPERARIO M.D.
NPI 1720099344
Family Medicine in Columbia, LA

Active since August 10, 2006PECOS EnrolledAccepts Medicare Assignment
412 MAIN STREET, COLUMBIA, LA 71418(318) 649-6111(318) 649-5094 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Mark Anthony Herrera Operario M.d. NPPES

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

MR. MARK ANTHONY HERRERA OPERARIO M.D. (NPI 1720099344) is an individual family medicine provider in Columbia, Louisiana, licensed in Louisiana (MD11362R) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Ochsner Lsu Health Monroe, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1720099344
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMR. MARK ANTHONY HERRERA OPERARIOCredential: M.D.
Location Address412 MAIN STREETColumbia, LA 71418
Mailing Address370 Hearn IslandColumbia, LA 71418 · (318) 649-3232 · Fax (318) 649-5094
Phone(318) 649-6111
Fax(318) 649-5094
Sole ProprietorYes
Medical School CMSOtherGraduated 1985
Enumeration DateAugust 10, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1720099344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in LA · MD11362R
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
412 MAIN STREET, Columbia, LA 71418
Open in Google Maps ↗

Other Identifiers 3

Medicare UPING12013LA
Medicare ID-Type Unspecified11362RLA
Medicaid1661881LA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Mark Anthony Herrera Operario 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 ID7012971831
PECOS Enrollment IDI20041112000020
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.

Medicare Billing Reassignment

Medicare enrollment records show Mark Operario reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Caldwell Memorial Hospital, Inc.
0.1 mi
Emergency Medicine
411 MAIN ST
Columbia, LA 71418
  • Reassigned Medicare billing, Louisiana enrollment
  • 35 clinicians in this Medicare group
NPI 1023283793 (318) 649-6111

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
570 services89 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
77 services63 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
38 services36 patients

Hospital Affiliations CMS Care Compare 5

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

Ochsner Lsu Health Monroe

Acute Care Hospitals · Monroe, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190011
Location4864 Jackson StreetMonroe, LA 71202 · Ouachita County
Emergency services Birthing friendly

St Francis Medical Center

Acute Care Hospitals · Monroe, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190125
Location309 Jackson StreetMonroe, LA 71201 · Ouachita County
Emergency services Birthing friendly

Franklin Medical Center

Acute Care Hospitals · Winnsboro, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190140
Location2106 Loop RoadWinnsboro, LA 71295 · Franklin County
Emergency services

Citizens Medical Center

Acute Care Hospitals · Columbia, LA
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190184
Location7939 U S Hwy 165 SouthColumbia, LA 71418 · Caldwell County
Emergency services

Caldwell Memorial Hospital, Inc

Acute Care Hospitals · Columbia, LA
OwnershipProprietary
CMS Certification Number190190
Location411 Main StreetColumbia, LA 71418 · Caldwell County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71418 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
$83.60 typical visit price
range $53.43 – $164.73
Typical copayment $20.90 (range $13.35 – $41.18)
Most-billed visit code 99203
Established Patient
$95.09 typical visit price
range $16.64 – $133.62
Typical copayment $23.77 (range $4.16 – $33.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 17

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
10 suppliers43 claims145 services$7.13 avg. paid by Medicare
Normal, low and high calibrator solution / chips A4256
DME-Other DME · category DE000N
4 suppliers20 claims20 services$2.94 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
10 suppliers31 claims45 services$1.16 avg. paid by Medicare
Administration set, with small volume nonfiltered pneumatic nebulizer, disposable A7003
DME-Other DME · category DE000N
3 suppliers30 claims58 services$1.81 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260
DME-Hospital Beds · category DB000N
4 suppliers29 claims29 services$69.30 avg. paid by Medicare
Hospital bed, semi-electric (head and foot adjustment), with any type side rails, without mattress E0261
DME-Hospital Beds · category DB000N
3 suppliers16 claims16 services$47.19 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Operario's NPI number?

The NPI number for Mark Operario is 1720099344. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is Mark Operario located?

Mark Operario practices at 412 Main Street, Columbia, LA 71418. The listed phone number is (318) 649-6111.

What is Mark Operario's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Mark Operario enrolled in Medicare?

Yes. Mark Operario 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.

Which organization bills Medicare for Mark Operario's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Operario reassigns Medicare benefits to Caldwell Memorial Hospital, Inc. (Columbia, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Operario's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Operario accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Mark Operario 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 Operario affiliated with any hospitals?

According to CMS data, Mark Operario is affiliated with Ochsner Lsu Health Monroe, St Francis Medical Center, Franklin Medical Center, Citizens Medical Center and Caldwell Memorial Hospital, Inc.

When was this NPI record last updated?

The NPPES record for Mark Operario was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.