What is David Greenfield's specialty?

David Greenfield (NPI 1821031980) is a Medicare-billing provider whose primary specialty is Ophthalmology in Miami, FL.

Where does David Greenfield practice?

David Greenfield practices in Miami, FL, based on the location reported in the CMS Medicare provider datasets for NPI 1821031980.

How much does Medicare pay David Greenfield?

David Greenfield (NPI 1821031980) received approximately $410K in total Medicare Part B payments, serving 1,394 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821031980

David GreenfieldM.D.

OphthalmologyMiami, FLI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,286

Unique beneficiaries

—

Total services

5,367

Distinct HCPCS

Medicare payment

$392K

Peer benchmark

Total Medicare services vs. 1,263 Ophthalmology providers in FL — above median (cohort median 2,598).

PRESCRIBING · PART D · 2024

Total Rx claims

8,423

Beneficiaries

—

Total drug cost

$780K

Distinct drugs

Brand share

34.0%

Top prescribed drugs

Latanoprost2,359 claims

Dorzolamide Hcl/Timolol Maleat1,342 claims

Brimonidine Tartrate850 claims

Timolol Maleate722 claims

Prednisolone Acetate630 claims

QUALITY · MIPS · 2024

Final MIPS score

87.9

Quality

78.8

Cost

71.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.54%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$166

Payment records

By payment type

Food and Beverage$166

Top paying entities

Food and Beverage$166

REFERRAL NETWORK

Where David Greenfield'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
University Of Miami Ambulatory Surgical Center · Palm Beach Gardens, FL	62	133
MARTIN MEMORIAL MEDICAL CENTER INC	54	203
JUPITER MEDICAL CENTER, INC.	42	144
Laboratory Corporation Of America Clinical Laboratory · Tampa, FL	35	82
Jennifer Lindley Certified Registered Nurse Anesthetist (CRNA) · Sunrise, FL	29	89
Jorge Fortun Ophthalmology · Palm Beach Gardens, FL	24	102
Ady Bermudez-Besharat Anesthesiology · Miami, FL	23	46
Azra Idrizovic Ophthalmology · Dallas, TX	15	42
Philip Rosenfeld Ophthalmology · Miami, FL	14	59
Walter Forman Diagnostic Radiology · North Palm Beach, FL	12	32
JFK MEDICAL CENTER LIMITED PARTNERSHIP	12	22
DELRAY MEDICAL CENTER, INC.	11	31

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