Maristela Manuel Carreon, M.D.
Internal Medicine Physician · Merced, CA
Maristela Manuel Carreon, M.D. is an internal medicine physician with a practice address in Merced, California, and NPI 1376693952, issued on Jan 12, 2007. Check the license (California C50505, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maristela Manuel Carreon
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C50505 CA
Self-reported in NPPES; status is on the state search - Practice location
- 410 E Yosemite Ave, Merced, CA 95340
- Phone
- (209) 384-9108
- Enumerated
- Jan 12, 2007
- Record last updated
- Feb 23, 2024
- Fax
- (209) 384-0580
- Medicaid ID
- 00C505050 CA
- Medicare enrollment
- Enrolled (PECOS I20100812000724); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 410 E Yosemite Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Pilkington, M.D.Dermatology Physician1295751931
Verify Maristela Manuel Carreon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C50505Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,166 Medicare Part D claims for 164 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium75 claims
- Omeprazole53 claims
- Amlodipine Besylate48 claims
- Losartan Potassium43 claims
- Lisinopril41 claims
- Levothyroxine Sodium38 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $810.36
18 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Provident Primary Care IncMerced, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maristela Manuel Carreon among 17,696 internal medicine physician records in California
Maristela Manuel Carreon, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1989 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Merced → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mark Altchek, M.D.Merced, CA 953401154503670
- Michelle Barbosa, D.O.Merced, CA 953401306182464
- Teresita Enad, M.D.Merced, CA 953401639103898
- Leland Fife, MDMerced, CA 953401285745521
- Jaideep Misra, MDMerced, CA 953401861965386
- James Reid, M.D.Merced, CA 953401083607022
- Lekshmi Vallyathan, MDMerced, CA 953401487842894
- Jelili Apalara, MD, MPH, FACP, CPHQ.Merced, CA 953411609067719
Common questions
What is Maristela Manuel Carreon, M.D.'s NPI number?
Maristela Manuel Carreon, M.D.'s National Provider Identifier (NPI) is 1376693952, issued on Jan 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maristela Manuel Carreon, M.D. located?
The NPPES record lists a practice address at 410 E Yosemite Ave, Merced, CA, 95340. Phone: (209) 384-9108. Providers update this record themselves, so call before visiting.
How can I verify Maristela Manuel Carreon, M.D.'s license?
NPPES lists California license number C50505, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maristela Manuel Carreon, M.D. prescribe under Medicare Part D?
In 2024, Maristela Manuel Carreon, M.D. had 1,166 Medicare Part D claims for 164 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.