Delia Nai-Yueh Sang, MD
Ophthalmology Physician · Brookline, MA
Delia Nai-Yueh Sang, MD is an ophthalmology physician with a practice address in Brookline, Massachusetts, and NPI 1508842634, issued on Dec 20, 2005. Check the license (Massachusetts 47248, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Delia Nai-Yueh Sang
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 47248 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Beacon St, Brookline, MA 02446
- Phone
- (617) 731-1760
- Enumerated
- Dec 20, 2005
- Record last updated
- Jan 3, 2022
- Fax
- (617) 731-0610
- Medicaid ID
- 110006945A MA
- Medicare enrollment
- Enrolled (PECOS I20050725000208); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 1975
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 791 in Massachusetts → Look up another NPI →
Also registered at 1101 Beacon St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Stephen Amira, PH.D.Clinical Psychologist1831262245
- Julie Anderson, PH.D.Psychologist1821190588
- Heather Ayares, LICSWClinical Social Worker1710107263
- Alexandra Beckett, M.D.Psychiatry Physician1457363962
- Jonathan Blumberg, MDInternal Medicine Physician1609881317
Verify Delia Nai-Yueh Sang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 47248Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,089 Medicare Part D claims for 259 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Latanoprost562 claims
- Brimonidine Tartrate91 claims
- Timolol Maleate79 claims
- Dorzolamide-Timolol73 claims
- Bromfenac Sodium62 claims
- Dorzolamide Hcl44 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: $67.19
3 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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.
Delia Nai-Yueh Sang among 791 ophthalmology physician records in Massachusetts
Delia Nai-Yueh Sang, MD is one of 791 ophthalmology physician records with a practice address in Massachusetts. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 77% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1975 · median 2002 among the 518 with a school on file
- Record last updated2022 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 ophthalmology physician records list a practice address in Brookline
They are 19 of the 2,357 NPPES records with a practice address in Brookline, and 791 ophthalmology physician records in Massachusetts.
All 791 in Massachusetts → Every provider in Brookline → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Mark Fava, M.D.Brookline, MA 024461295981710
- Reena Gupta, MDBrookline, MA 024461144587544
- Mark Hughes, MDBrookline, MA 024461336120161
- Si-Liang PengBrookline, MA 024461548619851
- Jorge Arroyo, M.D., MPHBrookline, MA 024451942248257
- Jason Brenner, M.D.Brookline, MA 024451750674719
- Macie Finkelstein, M.D.Brookline, MA 024451114959640
- Anthony Fraioli, M.D.Brookline, MA 024451619951878
Common questions
What is Delia Nai-Yueh Sang, MD's NPI number?
Delia Nai-Yueh Sang, MD's National Provider Identifier (NPI) is 1508842634, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Delia Nai-Yueh Sang, MD located?
The NPPES record lists a practice address at 1101 Beacon St, Brookline, MA, 02446. Phone: (617) 731-1760. Providers update this record themselves, so call before visiting.
How can I verify Delia Nai-Yueh Sang, MD's license?
NPPES lists Massachusetts license number 47248, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Delia Nai-Yueh Sang, MD prescribe under Medicare Part D?
In 2024, Delia Nai-Yueh Sang, MD had 1,089 Medicare Part D claims for 259 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.