DR. MARISTELA MANUEL CARREON M.D.
NPI 1376693952
Internal Medicine in Merced, CA

Q: What is Maristela Carreon's NPI number?

The NPI number for Maristela Carreon is 1376693952. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Q: What is Maristela Carreon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Maristela Carreon was last updated on February 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since January 12, 2007PECOS Enrolled

410 E YOSEMITE AVE, SUITE A, MERCED, CA 95340(209) 384-9108(209) 384-0580 Get Directions Write a Review

NPPES record last updated: February 23, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Apr 11, 2018 (2 updates tracked since 2018).

On this page

About Dr. Maristela Manuel Carreon M.d. NPPES

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

DR. MARISTELA MANUEL CARREON M.D. (NPI 1376693952) is an individual internal medicine provider in Merced, California, licensed in California (C50505) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1376693952

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. MARISTELA MANUEL CARREONCredential: M.D.

Location Address410 E YOSEMITE AVE, SUITE AMerced, CA 95340-8220

Mailing Address410 E Yosemite Ave, Suite AMerced, CA 95340-8220 · (209) 384-9108 · Fax (209) 384-0580

Phone(209) 384-9108

Fax(209) 384-0580

Sole ProprietorYes

Medical School CMSOtherGraduated 1989

Enumeration DateJanuary 12, 2007

Last NPPES UpdateFebruary 23, 20242 updates tracked since enumeration

NPPES CertifiedFebruary 23, 2024

✔ NPI 1376693952 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in CA · C50505

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

410 E YOSEMITE AVE, Merced, CA 95340

Open in Google Maps ↗

Other Identifiers 2

Medicaid00C505050CA

OtherC50505CA · Medical License

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Maristela Manuel Carreon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1355475369

PECOS Enrollment IDI20100812000724

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

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

Provider Profile

Same address

Internal Medicine

410 E YOSEMITE AVE STE A
Merced, CA 95340

Reassigned Medicare billing, California enrollment
2 clinicians in this Medicare group

NPI 1639103898 (209) 384-9108

Provident Primary Care Inc

2.3 mi

Primary Care

3349 G ST STE C
Merced, CA 95340

Reassigned Medicare billing, California enrollment
15 clinicians in this Medicare group

NPI 1154785517 (209) 580-4638

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 14

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.

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.

244 services114 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.

148 services85 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

62 services34 patients

Annual depression screening, 5 to 15 minutes G0444

An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.

48 services48 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

46 services46 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.

45 services30 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

32 services25 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.

31 services31 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

26 services24 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

24 services23 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

Annual alcohol misuse screening, 5 to 15 minutes G0442

An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.

20 services20 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

19 services13 patients

Blood glucose (sugar) test performed by hand-held instrument 82962

A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.

16 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95340 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 3

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

MARK S SPITZER D O

Otolaryngology (Otolaryngology/Facial Plastic Surgery)

410 E YOSEMITE AVE, SUITE B
MERCED, CA 95340

Merced County (209) 722-9272

DR. DAVID MICHAEL PILKINGTON M.D.

Dermatology

410 E YOSEMITE AVE, SUITE C
MERCED, CA 95340

Merced County (209) 722-7801

MERCED COUNTY PHYSICIANS

Clinic/Center (Primary Care)

410 E YOSEMITE AVE, SUITE A
MERCED, CA 95340

Merced County (209) 384-9108

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 Maristela Carreon's NPI number?

The NPI number for Maristela Carreon is 1376693952. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Where is Maristela Carreon located?

Maristela Carreon practices at 410 E Yosemite Ave Suite A, Merced, CA 95340. The listed phone number is (209) 384-9108.

What is Maristela Carreon's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maristela Carreon enrolled in Medicare?

Yes. Maristela Carreon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maristela Carreon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maristela Carreon reassigns Medicare benefits to 2 organizations: (Merced, CA) and Provident Primary Care Inc (Merced, CA). 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 Maristela Carreon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Maristela Carreon was last updated on February 23, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.