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DR. DONALD A GREENFIELD M.D.
NPI 1477545481
Ophthalmology in Millburn, NJ

Active since August 16, 2005PECOS EnrolledAccepts Medicare Assignment
90.91/100
CMS Quality Rating
288 MILLBURN AVE, MILLBURN, NJ 07041(973) 912-9100(973) 912-0800 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Donald A Greenfield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONALD A GREENFIELD M.D. (NPI 1477545481) is an individual ophthalmology provider in Millburn, New Jersey, licensed in New Jersey (MA23035) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with The University Hospital, and is a graduate of Temple University School Of Medicine (1968).

NPPES Registry Identity

NPI1477545481
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. DONALD A GREENFIELDCredential: M.D.
Location Address288 MILLBURN AVEMillburn, NJ 07041-1622
Mailing Address288 Millburn AveMillburn, NJ 07041-1622 · (973) 912-9100 · Fax (973) 912-0800
Phone(973) 912-9100
Fax(973) 912-0800
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 1968
Enumeration DateAugust 16, 2005
Last NPPES UpdateJanuary 25, 2022
NPPES CertifiedJanuary 25, 2022
✔ NPI 1477545481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in NJ · MA23035
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
288 MILLBURN AVE, Millburn, NJ 07041
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Donald A Greenfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7315960598
PECOS Enrollment IDI20060113000500
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Donald Greenfield reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Physician Associates Of New Jersey Inc
6.0 mi
Ophthalmology
90 BERGEN ST
Newark, NJ 07103
  • Reassigned Medicare billing, New Jersey enrollment
  • 16 clinicians in this Medicare group
NPI 1720098320 (973) 972-2020
Associated Retinal Consultants LLC
104 mi
Ophthalmology
1 CENTURIAN DR STE 114
Newark, DE 19713
  • Reassigned Medicare billing, New Jersey enrollment
  • 118 clinicians in this Medicare group
NPI 1164578894 (908) 458-8333

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
37 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
26 services25 patients
Established patient problem focused exam of visual system 92012
This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.
14 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

The University Hospital

Acute Care Hospitals · Newark, NJ
1/5 CMS rating
OwnershipGovernment - State
CMS Certification Number310119
Location150 Bergen StNewark, NJ 07103 · Essex County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 07041 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$144.86 typical visit price
range $63.84 – $190.92
Typical copayment $36.21 (range $15.96 – $47.73)
Most-billed visit code 99204
Established Patient
$79.09 typical visit price
range $20.97 – $155.92
Typical copayment $19.77 (range $5.24 – $38.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.91/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality99.43
Improvement Activities40
Cost70.77

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASSOCIATED RETINAL CONSULTANTS LLC
Durable Medical Equipment & Medical Supplies
288 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 912-9100
HUDSON EYE PHYSICIANS & SURGEONS, LLC
Ophthalmology
288 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 912-9773
BRANDON GARCES O.D.
Optometrist
288 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 912-9100
DR. RUDOLPH STEVEN WAGNER M.D.
Ophthalmology
288 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 912-9199
DR. WILLIAM H. CONSTAD M.D.
Ophthalmology
288 MILLBURN AVE
MILLBURN, NJ 07041
Essex County (973) 912-9100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Greenfield's NPI number?

The NPI number for Donald Greenfield is 1477545481. It was assigned to this individual provider in the NPPES registry on August 16, 2005.

Where is Donald Greenfield located?

Donald Greenfield practices at 288 Millburn Ave, Millburn, NJ 07041. The listed phone number is (973) 912-9100.

What is Donald Greenfield's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Donald Greenfield enrolled in Medicare?

Yes. Donald Greenfield is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Donald Greenfield's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Greenfield reassigns Medicare benefits to 2 organizations: University Physician Associates Of New Jersey Inc (Newark, NJ) and Associated Retinal Consultants LLC (Newark, DE). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Donald Greenfield's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Donald Greenfield accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Oscar Health list Donald Greenfield as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Donald Greenfield affiliated with any hospitals?

According to CMS data, Donald Greenfield is affiliated with The University Hospital.

When was this NPI record last updated?

The NPPES record for Donald Greenfield was last updated on January 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.