Barbara Shang, M.D.
NPI 1316047228 · Ophthalmology Physician · Irvine, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Barbara Shang, M.D. is a Ophthalmology Physician provider in Irvine, CA (NPI 1316047228).
Provider details
- NPI number
- 1316047228
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A70916 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
777 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 402 | $140 |
| Extended Exam of the Back Part of the Eye With Retinal Drawing92201 | 286 | $27 |
| New Patient Complete Exam of Visual System92004 | 38 | $164 |
| Exam of Visual Field With Extended Testing92083 | 27 | $71 |
| Established Patient Problem Focused Exam of Visual System92012 | 13 | $99 |
| Removal of Eyelashes Using Forceps67820 | 11 | $20 |
Typical Medicare-allowed amounts for these services range $20–$164 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 116 | 40 |
| Timolol Maleate | 57 | 20 |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol | 24 | — |
| Erythromycin Basebrand: Erythromycin | 21 | 15 |
| Brimonidine Tartrate | 15 | — |
| Bimatoprostbrand: Lumigan | 14 | — |
| Cyclosporinebrand: Restasis | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-22
- Last updated
- 2009-01-13
Frequently asked questions
- What is Barbara Shang's NPI number?
- Barbara Shang's National Provider Identifier (NPI) is 1316047228, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Shang's specialty?
- Barbara Shang is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Barbara Shang located?
- Barbara Shang's practice location on file with NPPES is 15785 Laguna Canyon Rd Ste 350, Irvine, CA 92618-3184.
- What is Barbara Shang's phone number?
- The practice phone number listed in the NPPES registry for Barbara Shang is (949) 726-1888.
- Does Barbara Shang accept Medicare?
- Barbara Shang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Barbara Shang's NPI active?
- Yes — Barbara Shang's NPI (1316047228) is active in the NPPES registry as of the last update on 2009-01-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.