Dionne Marie Mercado Sarmiento, M.D.
Internal Medicine Physician · Youngstown, OH
Dionne Marie Mercado Sarmiento, M.D. is an internal medicine physician with a practice address in Youngstown, Ohio, and NPI 1689428708, issued on Apr 15, 2024. Check the license (Ohio 57.256383, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Dionne Marie Mercado Sarmiento
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 57.256383 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Covington St, Youngstown, OH 44510
- Phone
- (330) 480-2616
- Enumerated
- Apr 15, 2024
- Record last updated
- Sep 30, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 5,277 in Ohio → Look up another NPI →
Also registered at 1001 Covington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alwatheq Al-Itelat, MDStudent in an Organized Health Care Education/Training Program1457154098
- Nicklaus Altomare, DDSDentist1538805486
- Vincent Marc Andaya, MDInternal Medicine Physician1669232435
- Angela AquinoInternal Medicine Physician1093395576
Verify Dionne Marie Mercado Sarmiento in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 57.256383Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
92 Medicare Part D claims for 26 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Dionne Marie Mercado Sarmiento among 5,277 internal medicine physician records in Ohio
Dionne Marie Mercado Sarmiento, M.D. is one of 5,277 internal medicine physician records with a practice address in Ohio. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 97% of them.
- NPI issued2024 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 65% of these records are
- Record last updated2025 · 58% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
130 internal medicine physician records list a practice address in Youngstown
They are 130 of the 4,790 NPPES records with a practice address in Youngstown, and 5,277 internal medicine physician records in Ohio.
All 5,277 in Ohio → Every provider in Youngstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Maharabe Ariyaratne, MDYoungstown, OH 445101750734554
- Jon Arnott, MDYoungstown, OH 445101902897721
- Patrick Brine, M.D.Youngstown, OH 445101861703563
- Matthew Chakan, MDYoungstown, OH 445101629360516
- Novie Gonzales, M.D.Youngstown, OH 445101902250236
- Joanne Grace Greising, MDYoungstown, OH 445101043748874
- Arman Hemmat, MDYoungstown, OH 445101588021117
- Cynthia Kravec, MDYoungstown, OH 445101073618450
Common questions
What is Dionne Marie Mercado Sarmiento, M.D.'s NPI number?
Dionne Marie Mercado Sarmiento, M.D.'s National Provider Identifier (NPI) is 1689428708, issued on Apr 15, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Dionne Marie Mercado Sarmiento, M.D. located?
The NPPES record lists a practice address at 1001 Covington St, Youngstown, OH, 44510. Phone: (330) 480-2616. Providers update this record themselves, so call before visiting.
How can I verify Dionne Marie Mercado Sarmiento, M.D.'s license?
NPPES lists Ohio license number 57.256383, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dionne Marie Mercado Sarmiento, M.D. prescribe under Medicare Part D?
In 2024, Dionne Marie Mercado Sarmiento, M.D. had 92 Medicare Part D claims for 26 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.