Barbara Shang, M.D.
Ophthalmology Physician · Irvine, CA
Barbara Shang, M.D. is an ophthalmology physician with a practice address in Irvine, California, and NPI 1316047228, issued on Sep 22, 2006. Check the license (California A70916, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Barbara Shang
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A70916 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15785 Laguna Canyon RD Ste 350, Irvine, CA 92618
- Phone
- (949) 726-1888
- Enumerated
- Sep 22, 2006
- Record last updated
- Jan 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110105000213); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Verify Barbara Shang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70916Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average ophthalmology physician in 2024
312 Medicare Part D claims for 86 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost116 claims
- Timolol Maleate57 claims
- Dorzolamide-Timolol24 claims
- Erythromycin21 claims
- Brimonidine Tartrate15 claims
- Lumigan14 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.
Barbara Shang among 2,899 ophthalmology physician records in California
Barbara Shang, M.D. is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2001 among the 1,907 with a school on file
- Record last updated2009 · 67% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Irvine → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Li-Li Chia, M.D.Irvine, CA 926181295778819
- David Chia, M.D. FACS MBAIrvine, CA 926181215970892
- Howard Conn, MDIrvine, CA 926181245282540
- Melanie Erb, M.D.Irvine, CA 926181366458200
- Nengjie Ge, M.D.Irvine, CA 926181871569335
- Zahra Ghiasi, MDIrvine, CA 926181669520490
- Andrew Lee, M.D.Irvine, CA 926181336536861
- Marjorie Mosier, MDIrvine, CA 926181962436154
Common questions
What is Barbara Shang, M.D.'s NPI number?
Barbara Shang, M.D.'s National Provider Identifier (NPI) is 1316047228, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Shang, M.D. located?
The NPPES record lists a practice address at 15785 Laguna Canyon RD Ste 350, Irvine, CA, 92618. Phone: (949) 726-1888. Providers update this record themselves, so call before visiting.
How can I verify Barbara Shang, M.D.'s license?
NPPES lists California license number A70916, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Barbara Shang, M.D. prescribe under Medicare Part D?
In 2024, Barbara Shang, M.D. had 312 Medicare Part D claims for 86 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.