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DR. MARILEE CARBALLO M.D.
NPI 1033348578
Surgery in Downey, CA

Active since July 06, 2009PECOS Enrolled
8504 FIRESTONE BLVD # 242, DOWNEY, CA 90241(760) 537-5139 Get Directions Write a Review

NPPES record last updated: August 27, 2019. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 27, 2019, Jan 18, 2019, Aug 30, 2016 and 1 more (4 updates tracked since 2015).

About Dr. Marilee Carballo M.d. NPPES

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

DR. MARILEE CARBALLO M.D. (NPI 1033348578) is an individual surgery provider in Downey, California, licensed in California (A138584) and active in the NPI registry since July 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033348578
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. MARILEE CARBALLOCredential: M.D.
Location Address8504 FIRESTONE BLVD # 242Downey, CA 90241-4926
Mailing Address8504 Firestone Blvd # 242Downey, CA 90241-4926
Phone(760) 537-5139
Sole ProprietorNo
Enumeration DateJuly 6, 2009
Last NPPES UpdateAugust 27, 20194 updates tracked since enumeration
✔ NPI 1033348578 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in CA · A138584✔ Licensed in PA · MD450361✔ Licensed in PA · MT195491✔ Licensed in WI · 18346-875
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8504 FIRESTONE BLVD # 242, Downey, CA 90241
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marilee Carballo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

5

Medicare enrollment records show Marilee Carballo reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southwest Health Center, Inc.
1,602 mi
Optometrist
1509 IHM ST
Lancaster, WI 53813
  • Reassigned Medicare billing, Wisconsin enrollment
  • 175 clinicians in this Medicare group
NPI 1962974485 (608) 723-2020
Upmc Altoona Regional Health Services, Inc
2,218 mi
Internal Medicine
1414 9TH AVE, STATION MEDICAL CENTER
Altoona, PA 16602
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 338 clinicians in this Medicare group
NPI 1639158488 (814) 946-1655
Geisinger Clinic
2,228 mi
Pediatrics
210 MEDICAL CENTER DRIVE
Philipsburg, PA 16866
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1811948367 (814) 342-8001
St Luke's Physician Group Inc
2,326 mi
Family Medicine
530 CENTRE ST
Ashland, PA 17921
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: St Lukes Physician Group Inc
  • 2,851 clinicians in this Medicare group
NPI 1134487119 (570) 889-3103
Gslpg, Inc
2,338 mi
Specialist
100 PARAMOUNT BLVD
Orwigsburg, PA 17961
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 953 clinicians in this Medicare group
NPI 1366006702 (272) 639-1000

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 8

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 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.
316 services169 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.
47 services47 patients
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.
35 services24 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.
26 services26 patients
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.
20 services14 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90241 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
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.

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 Marilee Carballo's NPI number?

The NPI number for Marilee Carballo is 1033348578. It was assigned to this individual provider in the NPPES registry on July 6, 2009.

Where is Marilee Carballo located?

Marilee Carballo practices at 8504 Firestone Blvd # 242, Downey, CA 90241. The listed phone number is (760) 537-5139.

What is Marilee Carballo's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Marilee Carballo enrolled in Medicare?

Yes. Marilee Carballo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Marilee Carballo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marilee Carballo reassigns Medicare benefits to 5 organizations: Southwest Health Center, Inc. (Lancaster, WI), Upmc Altoona Regional Health Services, Inc (Altoona, PA), Geisinger Clinic (Philipsburg, PA), St Luke's Physician Group Inc (Ashland, PA) and Gslpg, Inc (Orwigsburg, PA). 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 Marilee Carballo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marilee Carballo accept?

Health plans from Blue Cross and Blue Shield of Texas list Marilee Carballo 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.

When was this NPI record last updated?

The NPPES record for Marilee Carballo was last updated on August 27, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.