Dr. Maristela Manuel Carreon, MD
- Medicare services, 2024
- 781
- Medicare patients, 2024
- 181
- Part D claims, 2024
- 1,166
- Hospital affiliations
- 1
- Industry payments
- $5,908
- Practice address
- 3349 G St, Merced, CA 95340
- Practice phone
- Call (209) 580-4638
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Provident Primary Care Inc
Merced, California
Find Dr. Carreon's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Maristela Manuel Carreon is an internist in Merced, California
Dr. Carreon practices at Provident Primary Care Inc in Merced, California.
Dr. Carreon's NPI, 1376693952, was assigned on January 12, 2007. Dr. Carreon graduated from University of the East Ramon Magsaysay Memorial Medical Center in 1989. Dr. Carreon holds California license C50505.
- NPI
- 1376693952NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355475369
- NPI enumeration date
- January 12, 2007
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (209) 580-4638
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Maristela Manuel Carreon practices at Provident Primary Care Inc in Merced, California
Dr. Carreon's primary practice is Provident Primary Care Inc, at 3349 G St, Merced, CA 95340 in Merced County. The practice phone is (209) 580-4638.
- Provident Primary Care Inc3349 G St, Merced, CA 95340 · Merced CountyPhone(209) 580-4638
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Maristela Manuel Carreon is affiliated with 5 sites of care and 2 medical groups
Dr. Carreon's primary practice is Provident Primary Care Inc in Merced, California. Dr. Carreon is also affiliated with Dignity Health - Mercy Medical Center. The medical group on file is Provident Primary Care Inc. Dmand AI also links Dr. Carreon to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Maristela Manuel Carreon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Carreon practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Provident Primary Care Inc | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Maristela Manuel Carreon is one of 16,751 internists in California
Internal medicine is Dr. Carreon's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Carreon's licenses on file in 3 states: California, South Carolina and Pennsylvania.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- South Carolina license
- Pennsylvania license
Internists near Dr. Carreon
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Maristela Manuel Carreon billed Medicare for 781 services in 2024
CMS data shows 781 Medicare services from Dr. Carreon across 14 procedure codes in 2024, for 181 Medicare patients. Medicare paid $50,984 for them. Every service was in an office.
Dr. Carreon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 152024: 5503567%
- Other services
- 2023: 02024: 114
- Lab and pathology
- 2023: 02024: 67
- Tests and treatments
- 2023: 02024: 50
Dr. Carreon compared with the California median for internists, 2024
- Dr. Carreon
- California median
- Medicare services
- 781vs 3612.2 times
- Medicare patients
- 181vs 15120% above
- Part D claims
- 680vs 42162% above
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Carreon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Carreon and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Maristela Manuel Carreon treated 181 Medicare patients in 2024, average age 76
CMS counts 181 Medicare patients who saw Dr. Carreon in 2024. The largest group is 75 to 84, with 88 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Carreon's median patient age at 74, with 81% women.
Dr. Carreon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Carreon's Medicare patients by sex, 2024
- Women16189%
- Men2011%
Chronic conditions among Dr. Carreon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Diabetes38%
- Chronic kidney disease31%
- Ischemic heart disease31%
- Anxiety28%
- Osteoporosis27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Carreon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women81%
- Men19%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Maristela Manuel Carreon wrote 1,166 Medicare Part D claims in 2024
In 2024, Dr. Carreon wrote 1,166 Medicare Part D claims for 164 patients. 88% of them were for generic drugs. CMS names the drug for 680 of them, across 28 drugs with 11 or more claims each, at $51,982 in total drug cost. In 2020, CMS named 24 claims across 2 drugs.
Dr. Carreon's Part D claims by kind of drug, 2024
- Generic1,031 claims88%
- Brand-name and other135 claims12%
Dr. Carreon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Carreon's Part D claims, 2024
- Opioids4%42 of 1,166 claims
- Antibiotics5%54 of 1,166 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 242024: 6802733%
Drugs named by CMS: 28 in 2024, 2 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Maristela Manuel Carreon offers telehealth to Medicare patients
CMS lists Dr. Carreon as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Maristela Manuel Carreon received $5,908 in industry payments from 2016 to 2025
CMS Open Payments shows 367 general payments to Dr. Carreon from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 97% of the total. Novo Nordisk Inc paid the most, $1,424.
General payments to Dr. Carreon by program year, 2016 to 2025
General payments to Dr. Carreon by kind, 2016 to 2025
- Food and beverage$5,73497%
- Education$1743%
Companies that paid Dr. Carreon the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Maristela Manuel Carreon graduated from University of the East Ramon Magsaysay Memorial Medical Center
Dr. Carreon graduated from University of the East Ramon Magsaysay Memorial Medical Center in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Maristela Manuel Carreon accepts plans from 15 insurance carriers
Dr. Carreon is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Carreon accepts, by number of carriers
- PPO10
- Medicare7
- HMO6
- POS5
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Maristela Manuel Carreon's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Maristela Manuel Carreon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Maristela Manuel Carreon's NPI number?
Dr. Maristela Manuel Carreon's NPI number is 1376693952. It was assigned on January 12, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Maristela Manuel Carreon?
Dr. Maristela Manuel Carreon is an internist in Merced, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Maristela Manuel Carreon practice?
Dr. Carreon practices at 3349 G St, Merced, CA 95340. Dr. Carreon's primary practice is Provident Primary Care Inc in Merced, California. Dmand AI also links Dr. Carreon to 2 group practices and clinics, 1 home health agency and 1 medical group.
What is Dr. Maristela Manuel Carreon's office phone number?
The practice phone on file for Dr. Carreon is (209) 580-4638.
What is Dr. Maristela Manuel Carreon's medical license number?
Dr. Carreon holds California license C50505, one of the licenses on file in 3 states.
Which states has Dr. Maristela Manuel Carreon been licensed in?
Dmand AI has state licenses on file for Dr. Carreon in California (2000 to 2026), South Carolina (1995 to 2000) and Pennsylvania (1992 to 1996).
Which hospitals is Dr. Maristela Manuel Carreon affiliated with?
Dr. Carreon is affiliated with Dignity Health - Mercy Medical Center.
What medical group is Dr. Maristela Manuel Carreon part of?
Dr. Carreon is linked to Provident Primary Care Inc. Dmand AI links Dr. Carreon to 1 more medical group.
Does Dr. Maristela Manuel Carreon accept Medicare?
Yes. CMS data shows Dr. Carreon billed Medicare for 781 services in 2024.
Does Dr. Maristela Manuel Carreon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Carreon as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Maristela Manuel Carreon see?
CMS counts 181 Medicare patients who saw Dr. Carreon in 2024, with an average age of 76.
What services does Dr. Maristela Manuel Carreon bill to Medicare?
In 2024, Dr. Carreon's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and office visit, established patient (99211).
Where did Dr. Maristela Manuel Carreon go to medical school?
Dr. Carreon graduated from University of the East Ramon Magsaysay Memorial Medical Center in 1989.
What drugs does Dr. Maristela Manuel Carreon prescribe most?
In 2024 Medicare Part D data, Dr. Carreon's most prescribed drugs by claims were Atorvastatin Calcium, Omeprazole and Amlodipine Besylate.
Has Dr. Maristela Manuel Carreon received payments from drug or device companies?
CMS Open Payments shows $5,908 in general payments to Dr. Carreon from 21 companies from 2016 to 2025. The largest total came from Novo Nordisk Inc.
How long has Dr. Maristela Manuel Carreon been practicing?
Dr. Carreon graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Maristela Manuel Carreon accept?
Dr. Carreon is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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