Mark Mandel, MD
NPI 1770541294 · Ophthalmology Physician · Hayward, CA
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Mandel, MD is a Ophthalmology Physician provider in Hayward, CA (NPI 1770541294).
Provider details
- NPI number
- 1770541294
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 00G424180 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,065 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Measurement of Corneal Curvature and Depth of Eye92136 | 609 | $30 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 264 | $612 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 247 | $199 |
| Established Patient Problem Focused Exam of Visual System92012 | 241 | $114 |
| Ct Scan of Cornea92025 | 214 | $46 |
| Established Patient Complete Exam of Visual System92014 | 158 | $160 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Moxifloxacin Hclbrand: Moxifloxacin | 429 | 245 |
| Prednisolone Acetate | 429 | 257 |
| Diclofenac Sodium | 293 | 182 |
| Erythromycin Basebrand: Erythromycin | 278 | 205 |
| Ketorolac Tromethamine | 157 | 99 |
| Brimonidine Tartrate | 89 | 35 |
| Latanoprost | 67 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$889 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2008-09-03
Frequently asked questions
- What is Mark Mandel's NPI number?
- Mark Mandel's National Provider Identifier (NPI) is 1770541294, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mandel's specialty?
- Mark Mandel is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Mandel located?
- Mark Mandel's practice location on file with NPPES is 1237 B St, Hayward, CA 94541.
- What is Mark Mandel's phone number?
- The practice phone number listed in the NPPES registry for Mark Mandel is (510) 886-3937.
- Does Mark Mandel accept Medicare?
- Mark Mandel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Mandel's NPI active?
- Yes — Mark Mandel's NPI (1770541294) is active in the NPPES registry as of the last update on 2008-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.