NPPES file of Aug 9, 2026

Joylin Chan Deluna, MD

Hospitalist Physician · Oswego, NY

Joylin Chan Deluna, MD is a hospitalist physician with a practice address in Oswego, New York, and NPI 1639223696, issued on Jan 23, 2007. Check the license (New York 258877, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1639223696
Name
Joylin Chan Deluna
Credential
MD
Primary taxonomy
Hospitalist Physician 208M00000X
License number
258877 NY
Self-reported in NPPES; status is on the state search
Practice location
550 W 1St St, Oswego, NY 13126
Phone
(315) 343-5458
Enumerated
Jan 23, 2007
Record last updated
May 27, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
02635261 NY
Medicare enrollment
Enrolled (PECOS I20110920000137); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Joylin Chan Deluna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 258877
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

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46% fewer Medicare Part D claims than the average hospitalist physician in 2024

281 Medicare Part D claims for 63 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Joylin Deluna281
  2. Specialty average521

Most prescribed

  1. Eliquis17 claims
  2. Carvedilol15 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): 77.5 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.

  1. Qualityout of 100 · 30% of the final score68.6
  2. Costout of 100 · 30%56.4
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. University OF Pittsburgh PhysiciansPittsburgh, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Joylin Chan Deluna among 2,067 hospitalist physician records in New York

Joylin Chan Deluna, MD is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 12% of them.

  • NPI issued2007 · 12% of these records are older, 83% newer
  • In a Medicare fileYes · 93% of these records are
  • In the CMS Doctors and Clinicians fileYes · 83% of these records are
  • Graduated1996 · median 2013 among the 1,716 with a school on file
  • Record last updated2011 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hospitalist Physician providers in New York

There are 2,067 hospitalist physician records in New York.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Adaora Udekwu, MDOswego, NY 131261487880373
  2. David Lehmann, MDSyracuse, NY 132021235167685
  3. Amogechukwu Okonkwo, MDSyracuse, NY 132021053378612
  4. Ilya Amromin, MDSyracuse, NY 132031275581464
  5. Cristian Andrade, MDSyracuse, NY 132031265443980
  6. Justin Bertrand, M.D.Syracuse, NY 132031275747107
  7. John Callahan, MDSyracuse, NY 132031568454528
  8. Mark Emerick, MDSyracuse, NY 132031245343417

Common questions

What is Joylin Chan Deluna, MD's NPI number?

Joylin Chan Deluna, MD's National Provider Identifier (NPI) is 1639223696, issued on Jan 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joylin Chan Deluna, MD located?

The NPPES record lists a practice address at 550 W 1St St, Oswego, NY, 13126. Phone: (315) 343-5458. Providers update this record themselves, so call before visiting.

How can I verify Joylin Chan Deluna, MD's license?

NPPES lists New York license number 258877, 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 Joylin Chan Deluna, MD prescribe under Medicare Part D?

In 2024, Joylin Chan Deluna, MD had 281 Medicare Part D claims for 63 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.

What is Joylin Chan Deluna, MD's MIPS final score?

The 2023 MIPS final score is 77.5 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.