What is Mark Mandel's specialty?

Mark Mandel (NPI 1770541294) is a Medicare-billing provider whose primary specialty is Ophthalmology in Hayward, CA.

Where does Mark Mandel practice?

Mark Mandel practices in Hayward, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1770541294.

How much does Medicare pay Mark Mandel?

Mark Mandel (NPI 1770541294) received approximately $324K in total Medicare Part B payments, serving 570 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1770541294

Mark MandelMD

PRACTICEOPTIMA OPHTHALMIC MEDICAL ASSOCIATES, INCSee all providers at this practice →

OphthalmologyHayward, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,357

Unique beneficiaries

—

Total services

2,065

Distinct HCPCS

Medicare payment

$268K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

1,962

Beneficiaries

—

Total drug cost

$109K

Distinct drugs

Brand share

42.0%

Top prescribed drugs

Prednisolone Acetate429 claims

Moxifloxacin Hcl429 claims

Diclofenac Sodium293 claims

Erythromycin Base278 claims

Ketorolac Tromethamine157 claims

QUALITY · MIPS · 2024

Final MIPS score

95.2

Quality

90.8

Cost

79.7

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.85%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$618

Payment records

By payment type

Food and Beverage$602

Entertainment$16

Top paying entities

Food and Beverage$602

Entertainment$16

REFERRAL NETWORK

Where Mark Mandel's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 7 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Optima Ophthalmic Medical Associates Inc Ambulatory Surgical Center · Hayward, CA	324	815
Penna Bui Anesthesiology · Castro Valley, CA	58	100
Lawrence Holm Anesthesiology · Castro Valley, CA	56	99
Marina Swee Anesthesiology · Castro Valley, CA	28	42
PORCIUNCULA, GENEROSO	18	41
STANFORD HEALTH CARE TRI-VALLEY	14	27
Jaya Karnani Family Practice · Castro Valley, CA	11	25

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events