Nicolas Alejandro Ulloa, MD
Emergency Medicine Physician · Stony Brook, NY
Nicolas Alejandro Ulloa, MD is an emergency medicine physician with a practice address in Stony Brook, New York, and NPI 1275020034, issued on Apr 17, 2018. Check the license (New York 318091, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nicolas Alejandro Ulloa
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 318091 NY
ME157819 FL
Self-reported in NPPES; status is on the state search - Practice location
- 101 Nicolls RD, Stony Brook, NY 11794
- Phone
- (305) 332-1652
- Enumerated
- Apr 17, 2018
- Record last updated
- Aug 1, 2023
- Medicare enrollment
- Enrolled (PECOS I20230823003565); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 101 Nicolls RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Nicolas Alejandro Ulloa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 318091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average emergency medicine physician in 2024
299 Medicare Part D claims for 204 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 13 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass32 claims
- Ibuprofen32 claims
- Methocarbamol19 claims
- Cephalexin18 claims
- Cefdinir17 claims
- Doxycycline Hyclate17 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 84.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $221.58
5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 12,335 providers of this specialty with any payment received $953.79 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
- Sterling Emergency Services OF Miami Beach PAMiami, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicolas Alejandro Ulloa among 5,025 emergency medicine physician records in New York
Nicolas Alejandro Ulloa, MD is one of 5,025 emergency medicine physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 21% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2018 · median 2013 among the 3,232 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
116 emergency medicine physician records list a practice address in Stony Brook
They are 116 of the 3,053 NPPES records with a practice address in Stony Brook, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in Stony Brook → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Abida Butler, M.D.Stony Brook, NY 117941982683173
- Christopher Carleo, M.D.Stony Brook, NY 117941023044823
- Stuart Chale, M.D.Stony Brook, NY 117941861428765
- Michael Imperato, M.D.Stony Brook, NY 117941194791665
- Lester Kallus, M.D.Stony Brook, NY 117941154357887
- Melina Khwaja, M.D.Stony Brook, NY 117941164467544
- David Lawrence, DOStony Brook, NY 117941144273228
- Andrea Libutti, M.D.Stony Brook, NY 117941053349241
Common questions
What is Nicolas Alejandro Ulloa, MD's NPI number?
Nicolas Alejandro Ulloa, MD's National Provider Identifier (NPI) is 1275020034, issued on Apr 17, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nicolas Alejandro Ulloa, MD located?
The NPPES record lists a practice address at 101 Nicolls RD, Stony Brook, NY, 11794. Phone: (305) 332-1652. Providers update this record themselves, so call before visiting.
How can I verify Nicolas Alejandro Ulloa, MD's license?
NPPES lists New York license number 318091, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nicolas Alejandro Ulloa, MD prescribe under Medicare Part D?
In 2024, Nicolas Alejandro Ulloa, MD had 299 Medicare Part D claims for 204 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Nicolas Alejandro Ulloa, MD's MIPS final score?
The 2023 MIPS final score is 84.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.