Lizette Denise Ruiz, M.D.
Emergency Medicine Physician · New York, NY
Lizette Denise Ruiz, M.D. is an emergency medicine physician with a practice address in New York, New York, and NPI 1639512668, issued on Apr 9, 2013. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Lizette Denise Ruiz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A147989 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 E 68TH St, New York, NY 10065
- Phone
- (212) 746-0892
- Enumerated
- Apr 9, 2013
- Record last updated
- Jun 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170724002325); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 5,025 in New York → Look up another NPI →
Also registered at 525 E 68TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Lizette Denise Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average emergency medicine physician in 2024
140 Medicare Part D claims for 92 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Ibuprofen19 claims
- Cephalexin18 claims
- Famotidine16 claims
- Hydrocodone-Acetaminophen12 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.
Bills Medicare through 2 group practices
- Golden State Emergency Physicians IncLos Angeles, CA
- Ignite Emergency Physicians A Medical CorporationVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lizette Denise Ruiz among 5,025 emergency medicine physician records in New York
Lizette Denise Ruiz, M.D. 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 2013, is newer than 56% of them.
- NPI issued2013 · 56% of these records are older, 41% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2013 · median 2013 among the 3,232 with a school on file
- Record last updated2017 · 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).
1,075 emergency medicine physician records list a practice address in New York
They are 1,075 of the 98,468 NPPES records with a practice address in New York, and 5,025 emergency medicine physician records in New York.
All 5,025 in New York → Every provider in New York → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Barry, MDNew York, NY 100651790753887
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- Louis Cooper, M.D., MBANew York, NY 100651114123460
- Brenna Farmer, MDNew York, NY 100651477600278
- Mark Fenig, M.D., MPHNew York, NY 100651114101169
- Manish Garg, MDNew York, NY 100651760450852
- Kristin Harkin, M.D.New York, NY 100651851314496
- Hanson Hsu, MDNew York, NY 100651265530422
Common questions
What is Lizette Denise Ruiz, M.D.'s NPI number?
Lizette Denise Ruiz, M.D.'s National Provider Identifier (NPI) is 1639512668, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Lizette Denise Ruiz, M.D. located?
The NPPES record lists a practice address at 525 E 68TH St, New York, NY, 10065. Phone: (212) 746-0892. Providers update this record themselves, so call before visiting.
How can I verify Lizette Denise Ruiz, M.D.'s license?
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 Lizette Denise Ruiz, M.D. prescribe under Medicare Part D?
In 2024, Lizette Denise Ruiz, M.D. had 140 Medicare Part D claims for 92 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.