Layla Cristal Barrera, DO
Internal Medicine Physician · Stony Brook, NY
Layla Cristal Barrera, DO is an internal medicine physician with a practice address in Stony Brook, New York, and NPI 1447788575, issued on Jun 2, 2017. Check the license (New York 305259, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Layla Cristal Barrera
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 305259 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 Nicholls Road, Stony Brook, NY 11794
- Phone
- (631) 689-8333
- Enumerated
- Jun 2, 2017
- Record last updated
- Apr 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20240614001193); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Layla Cristal Barrera 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 305259Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
56 Medicare Part D claims for 27 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.
Industry payments in 2024: $110.77
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie 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
- Stony Brook Internists University Faculty Practice CorporationStony Brook, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Layla Cristal Barrera among 12,067 internal medicine physician records in New York
Layla Cristal Barrera, DO is one of 12,067 internal medicine physician records with a practice address in New York. 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 2017, is newer than 80% of them.
- NPI issued2017 · 80% of these records are older, 18% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2017 · median 2002 among the 7,221 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
121 internal medicine physician records list a practice address in Stony Brook
They are 121 of the 3,053 NPPES records with a practice address in Stony Brook, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Stony Brook → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Abdullah, M.D.Stony Brook, NY 117941700079100
- Patricia Boromee, MDStony Brook, NY 117941982700993
- Roderick Go, DOStony Brook, NY 117941558486555
- Lynn Hallarman, M.D.Stony Brook, NY 117941689778078
- Jennifer Hensley, M.D.Stony Brook, NY 117941881702124
- Kyung Ho Kim, MDStony Brook, NY 117941063687929
- Olena Ksovreli, M.D.Stony Brook, NY 117941821063041
- Patrick Lynch, MDStony Brook, NY 117941841495256
Common questions
What is Layla Cristal Barrera, DO's NPI number?
Layla Cristal Barrera, DO's National Provider Identifier (NPI) is 1447788575, issued on Jun 2, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Layla Cristal Barrera, DO located?
The NPPES record lists a practice address at 100 Nicholls Road, Stony Brook, NY, 11794. Phone: (631) 689-8333. Providers update this record themselves, so call before visiting.
How can I verify Layla Cristal Barrera, DO's license?
NPPES lists New York license number 305259, 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 Layla Cristal Barrera, DO prescribe under Medicare Part D?
In 2024, Layla Cristal Barrera, DO had 56 Medicare Part D claims for 27 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.