Lorraine Bangayan, M.D.
Internal Medicine Physician · Oak Forest, IL
Lorraine Bangayan, M.D. is an internal medicine physician with a practice address in Oak Forest, Illinois, and NPI 1710063714, issued on Oct 31, 2006. Check the license (Illinois 036091169, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Lorraine Bangayan
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 036091169 IL
036-091169 IL
Self-reported in NPPES; status is on the state search - Practice location
- 15900 Cicero Ave, Oak Forest, IL 60452
- Phone
- (708) 633-3244
- Enumerated
- Oct 31, 2006
- Entity
- Type 1 · individual
Also registered at 15900 Cicero Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Homer Abiad, M.D.Internal Medicine Physician1871596817
- Susan Steephen, PHARMDPharmacist1417247578
Verify Lorraine Bangayan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036091169Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
46% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,508 Medicare Part D claims for 187 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Most prescribed
- Metoprolol Succinate216 claims
- Atorvastatin Calcium103 claims
- Furosemide103 claims
- Losartan Potassium99 claims
- Rosuvastatin Calcium99 claims
- Eliquis91 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 Medicare quality score for 2023: 84.6 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).
One hospital or facility affiliation
- Cook CountyChicago, IL
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
20 internal medicine physician records list a Oak Forest practice address
They are 20 of the 308 NPPES records with a Oak Forest practice address, and 8,522 internal medicine physician records in Illinois.
All 20 in Oak Forest → All 8,522 in Illinois → Every provider in Oak Forest →
Other internal medicine physician records in Illinois
- Peter Abadeer, D.O.Bloomington, IL1760469522
- Pamela Abadi, D.O.Winfield, IL1588820179
- Motaz Abas, MDPeoria, IL1215510201
- Elias Abate, M.D.Chicago, IL1336712199
- Maliha Abbas, D.O.Chicago, IL1174963920
- Zareena Abbas, MDChicago, IL1427078872
- Abu Abbasi, MDChicago, IL1083243877
- Ayesha Abbasi, MDChicago, IL1376216705
- Khalda Abbasi, MDNaperville, IL1487705240
- Misha Abbasi, MDChicago, IL1770111635
Common questions
What is Lorraine Bangayan, M.D.'s NPI number?
Lorraine Bangayan, M.D.'s National Provider Identifier (NPI) is 1710063714, issued on Oct 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lorraine Bangayan, M.D. located?
The NPPES record lists a practice address at 15900 Cicero Ave, Oak Forest, IL, 60452. Phone: (708) 633-3244. Providers update this record themselves, so call before visiting.
How can I verify Lorraine Bangayan, M.D.'s license?
NPPES lists Illinois license number 036091169, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lorraine Bangayan, M.D. prescribe under Medicare Part D?
In 2024, Lorraine Bangayan, M.D. had 1,508 Medicare Part D claims for 187 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Lorraine Bangayan, M.D.'s Medicare quality score?
The 2023 MIPS final score is 84.6 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.