Robert Joseph Luna De Guzman, MD, MBA
Hospitalist Physician · Youngstown, OH
Robert Joseph Luna De Guzman, MD, MBA is a hospitalist physician with a practice address in Youngstown, Ohio, and NPI 1629606082, issued on Mar 31, 2020. Check the license (Ohio 35.149203, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Luna De Guzman
- Credential
- MD, MBA
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 35.149203 OH
57.249397 OH
Self-reported in NPPES; status is on the state search - Practice location
- 1044 Belmont Ave, Youngstown, OH 44504
- Phone
- (330) 480-7320
- Enumerated
- Mar 31, 2020
- Record last updated
- Nov 17, 2023
- Fax
- (330) 729-1591
- Medicare enrollment
- Enrolled (PECOS I20231116003154); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 982 in Ohio → Look up another NPI →
Also registered at 1044 Belmont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aubrey Abbas, PHARMD, BCPS, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1902471626
- Rashid Abdu, MDSurgery Physician1528166501
- Sofia AccordinoPhysician Assistant1093350688
- Unknown Adityanjee, M.D.Psychiatry Physician1174677389
- Janet Aliff, R.D. L.D. C.D.E.Registered Dietitian1568667285
- Kayla Aluise, RD, CSO, LDOncology Nutrition Registered Dietitian1609403492
Verify Robert Joseph Luna De Guzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.149203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average hospitalist physician in 2024
487 Medicare Part D claims for 162 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium39 claims
- Amlodipine Besylate37 claims
- Metoprolol Succinate27 claims
- Eliquis22 claims
- Clopidogrel19 claims
- Spironolactone16 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: $71.81
1 payment: food and beverage; the largest payer was Abbvie Inc. The 7,324 providers of this specialty with any payment received $494.84 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
- Mercy Health Physicians Youngstown Specialty Care LLCYoungstown, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Joseph Luna De Guzman among 982 hospitalist physician records in Ohio
Robert Joseph Luna De Guzman, MD, MBA is one of 982 hospitalist physician records with a practice address in Ohio. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.
- NPI issued2020 · 81% of these records are older, 14% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2013 · median 2012 among the 835 with a school on file
- Record last updated2023 · 34% 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 Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Ohio
There are 982 hospitalist physician records in Ohio.
All 982 in Ohio → Every provider in Youngstown → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Amrinder BhattiYoungstown, OH 445041336447325
- Prabhjot Brar, M.DYoungstown, OH 445041457659054
- Victoria Fasick, D.OYoungstown, OH 445041518372036
- John Igwe, DO, PHDYoungstown, OH 445041316443724
- Manik Jain, MDYoungstown, OH 445041184183238
- Fazal Jamil, MDYoungstown, OH 445041245868694
- Brittany Lesher, D.O.Youngstown, OH 445041790223683
- Suzanne Maddamma, MDYoungstown, OH 445041851920656
Common questions
What is Robert Joseph Luna De Guzman, MD, MBA's NPI number?
Robert Joseph Luna De Guzman, MD, MBA's National Provider Identifier (NPI) is 1629606082, issued on Mar 31, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Luna De Guzman, MD, MBA located?
The NPPES record lists a practice address at 1044 Belmont Ave, Youngstown, OH, 44504. Phone: (330) 480-7320. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Luna De Guzman, MD, MBA's license?
NPPES lists Ohio license number 35.149203, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert Joseph Luna De Guzman, MD, MBA prescribe under Medicare Part D?
In 2024, Robert Joseph Luna De Guzman, MD, MBA had 487 Medicare Part D claims for 162 beneficiaries; the average among hospitalist physician prescribers was 521. 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.