Carlos Andres Nieto Fonseca, MD
Internal Medicine Physician · Pittsburgh, PA
Carlos Andres Nieto Fonseca, MD is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1932367646, issued on May 29, 2008. Check the license (Pennsylvania MT191305, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Carlos Andres Nieto Fonseca
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MT191305 PA
MD440423 PA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Lothrop St, Pittsburgh, PA 15213
- Phone
- (570) 259-7944
- Enumerated
- May 29, 2008
- Record last updated
- Aug 26, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141014000408); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 200 Lothrop St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carlos Andres Nieto Fonseca in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MT191305Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average internal medicine physician in 2024
455 Medicare Part D claims for 176 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 75 claims were for opioids.
Most prescribed
- Tramadol Hcl23 claims
- Hydrocodone-Acetaminophen22 claims
- Atorvastatin Calcium20 claims
- Eliquis19 claims
- Acetaminophen-Codeine17 claims
- Ciprofloxacin Hcl16 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: $50.08
2 payments; by number, the most common kind was food and beverage; the largest payer was Tactile Systems Technology Inc. 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
- Bexar Physician Services, PLLCSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos Andres Nieto Fonseca among 7,300 internal medicine physician records in Pennsylvania
Carlos Andres Nieto Fonseca, MD is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 43% of them.
- NPI issued2008 · 43% of these records are older, 53% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2003 · median 2008 among the 4,208 with a school on file
- Record last updated2010 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
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Common questions
What is Carlos Andres Nieto Fonseca, MD's NPI number?
Carlos Andres Nieto Fonseca, MD's National Provider Identifier (NPI) is 1932367646, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Andres Nieto Fonseca, MD located?
The NPPES record lists a practice address at 200 Lothrop St, Pittsburgh, PA, 15213. Phone: (570) 259-7944. Providers update this record themselves, so call before visiting.
How can I verify Carlos Andres Nieto Fonseca, MD's license?
NPPES lists Pennsylvania license number MT191305, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carlos Andres Nieto Fonseca, MD prescribe under Medicare Part D?
In 2024, Carlos Andres Nieto Fonseca, MD had 455 Medicare Part D claims for 176 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.