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CARLOS ALBERTO HARTMANN M.D.
NPI 1962769141
Internal Medicine - Infectious Disease in Covington, LA

Active since April 12, 2012PECOS EnrolledAccepts Medicare Assignment
1000 OCHSNER BLVD, COVINGTON, LA 70433(985) 875-2828(985) 898-7492 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 18, 2025, Mar 3, 2020, Jun 27, 2017 and 1 more (4 updates tracked since 2017).

About Carlos Alberto Hartmann M.d. NPPES

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

CARLOS ALBERTO HARTMANN M.D. (NPI 1962769141) is an individual infectious disease provider in Covington, Louisiana, licensed in Louisiana (321755) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, is affiliated with Ochsner Medical Center Acute, and maintains a secondary practice location in Phoenix.

NPPES Registry Identity

NPI1962769141
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameCARLOS ALBERTO HARTMANNCredential: M.D.
Location Address1000 OCHSNER BLVDCovington, LA 70433-8107
Mailing AddressPo Box 1289Mandeville, LA 70470-1289
Phone(985) 875-2828
Fax(985) 898-7492
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateApril 12, 2012
Last NPPES UpdateDecember 18, 20254 updates tracked since enumeration
NPPES CertifiedDecember 18, 2025
✔ NPI 1962769141 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses✔ Licensed in LA · 321755✔ Licensed in AZ · 50301
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1000 OCHSNER BLVD, Covington, LA 70433
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Other Names 1

Former Name (1)Carlos Alberto Hartmann Manrique Md

Secondary Practice Location 1

Location 12601 E Roosevelt StPhoenix, AZ 85008-4973 · Phone (602) 344-6550

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and more.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

Carlos Alberto Hartmann 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 ID1052625050
PECOS Enrollment IDI20200406001729
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 Reassignments

2

Medicare enrollment records show Carlos Hartmann reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ochsner Clinic LLC
Same address
General Practice
1000 OCHSNER BLVD
Covington, LA 70433
  • Reassigned Medicare billing, Louisiana enrollment
  • 4,559 clinicians in this Medicare group
NPI 1881893816 (504) 842-3000
District Medical Group, Inc
1,280 mi
Anatomic Pathology & Clinical Pathology
1800 E FLORENCE BLVD, PATHOLOGY
Casa Grande, AZ 85222
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1467685362 (520) 426-6320

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 6

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 moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
158 services81 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.
111 services101 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.
39 services26 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.
28 services22 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.
17 services16 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.
13 services13 patients

Hospital Affiliations CMS Care Compare 3

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

Ochsner Medical Center Acute

Acute Care Hospitals · New Orleans, LA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190036
Location1516 Jefferson HwyNew Orleans, LA 70121 · Jefferson County
Emergency services Birthing friendly

St Tammany Parish Hospital

Acute Care Hospitals · Covington, LA
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number190045
Location1202 S Tyler StreetCovington, LA 70433 · St. Tammany County
Emergency services Birthing friendly

Ochsner Medical Center - Baton Rouge

Acute Care Hospitals · Baton Rouge, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190202
Location17000 Medical Center DrBaton Rouge, LA 70816 · E. Baton Rouge County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70433 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
$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.

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.

DR. PATRICIA B GUIDRY MD
Internal Medicine
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2828
VICTORIA H WATERFIELD LCSW
Social Worker (Clinical)
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 898-7420
DR. DANIEL R BRONFIN MD
Pediatrics
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2828
KATHLEEN SINGH FNP-C
Nurse Practitioner
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2828
SMITA S PATEL MD
Family Medicine
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2828
DR. CHRIS THEODOSSIOU MD
Internal Medicine (Hematology & Oncology)
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2828
MRS. VERA ANITA CHARLENE WILLIAMS NP
Nurse Practitioner (Adult Health)
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (985) 875-2340
RCOA IMAGING SERVICE
Clinic/Center (Radiology, Mobile)
1000 OCHSNER BLVD
COVINGTON, LA 70433
St. Tammany Parish (866) 293-3500

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 Carlos Hartmann's NPI number?

The NPI number for Carlos Hartmann is 1962769141. It was assigned to this individual provider in the NPPES registry on April 12, 2012. The provider is also known as Carlos Alberto Hartmann Manrique MD.

Where is Carlos Hartmann located?

Carlos Hartmann practices at 1000 Ochsner Blvd, Covington, LA 70433. The listed phone number is (985) 875-2828.

What is Carlos Hartmann's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Carlos Hartmann enrolled in Medicare?

Yes. Carlos Hartmann 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 organizations bill Medicare for Carlos Hartmann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlos Hartmann reassigns Medicare benefits to 2 organizations: Ochsner Clinic LLC (Covington, LA) and District Medical Group, Inc (Casa Grande, AZ). Each 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 Carlos Hartmann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlos Hartmann accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Louisiana, Cigna HealthCare of Arizona, Inc and HMO Louisiana list Carlos Hartmann 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 Carlos Hartmann affiliated with any hospitals?

According to CMS data, Carlos Hartmann is affiliated with Ochsner Medical Center Acute, St Tammany Parish Hospital and Ochsner Medical Center - Baton Rouge.

When was this NPI record last updated?

The NPPES record for Carlos Hartmann was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.