2026 NPPES data Neurology Physician NPI 1063550978 M.D.
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ERIC FOLTZ, M.D.

Neurology Physician in GOODYEAR, Arizona. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
5K
Medicare Part D claims · 626 beneficiaries · Neurology Physician avg: 1K
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$3.2K
194 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

ERIC FOLTZ, M.D. filed 4,974 Medicare Part D claims in 2023 as a Neurology Physician in GOODYEAR, Arizona, prescribing 90% generic.

5K
Part D claims, 2023
90%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

ERIC FOLTZ, M.D.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

4,974 Top 6% higher than 94% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). Below this entry. 200–400: 182,923 prescribers (13%). Below this entry. 400–600: 90,619 prescribers (7%). Below this entry. 600–800: 56,224 prescribers (4%). Below this entry. 800–1,000: 40,919 prescribers (3%). Below this entry. 1,000–1,200: 31,827 prescribers (2%). Below this entry. 1,200–1,400: 26,224 prescribers (2%). Below this entry. 1,400–1,600: 21,710 prescribers (2%). Below this entry. 1,600–1,800: 19,072 prescribers (1%). Below this entry. 1,800–2,000: 16,451 prescribers (1%). Below this entry. 2,000–2,200: 213,991 prescribers (16%). This entry sits in this band. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

ERIC FOLTZ, M.D. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about ERIC FOLTZ, M.D.?

Quality data not reported

NPI registry status

Active

Issued 02/02/2007

NPI 1063550978

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

4,974 280% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

Specialty distribution in Arizona

How Neurology Physician compares to other specialties among Arizona providers

Arizona providers

Neurology Physician share within Arizona

1. Neurology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Neurology Physician share within Arizona

Specialty board-certification context

Estimated specialty board-certified rate — Neurology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Neurology Physician ABMS/AOA estimate

Est. board-certified rate (Neurology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Neurology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

ERIC FOLTZ, M.D. appears in the CMS NPPES registry as a Neurology Physician provider holding M.D. credentials at 2940 N LITCHFIELD RD, GOODYEAR, AZ, 85395, with a listed phone of (623) 535-0050. NPI 1063550978 was issued on 02/02/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what FOLTZ most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 4,974 prescription claims written by this provider, covering 626 Medicare beneficiaries and totaling roughly $1.3 million in drug spend, split 10% brand-name and 90% generic by claim count. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

2940 N LITCHFIELD RD
GOODYEAR, AZ 85395

Provider Details

NPI 1063550978
Specialty Neurology Physician
Credentials M.D.
Gender Male
NPI Issued 02/02/2007

Hospital and facility affiliations

Facilities where ERIC FOLTZ, M.D. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

PHOENIX NEUROLOGY AND SLEEP MEDICINE PLLC
GLENDALE, AZ

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for ERIC FOLTZ, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$3.2K

Largest payer

Novartis Pharmaceuticals Corporation

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

ERIC FOLTZ, M.D. — brand share 10.0%
Specialty average (est.)

10% brand-name claims vs 90% generic, on 4,974 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

4,974
Total Claims
$1.3M
Total Drug Cost
626
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
7,578
Total Day Supply
222,532
Brand vs Generic
10% brand / 90% generic
Brand Drug Cost
$1.1M
Generic Drug Cost
$237K

Patient Demographics

Average Patient Age
66.9 years
Avg HCC Risk Score
1.55
Gender Split
56% female / 44% male
Age Distribution
<65: 199, 65-74: 236, 75-84: 160, 85+: 31

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What ERIC FOLTZ, M.D. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Gabapentin
595
Memantine Hcl
483
Levetiracetam
419
Donepezil Hcl
298
Topiramate
260
Lacosamide
221
Pramipexole Dihydrochloride
Pramipexole Di-Hcl
173
Lamotrigine
155
Carbidopa-Levodopa
Carbidopa/Levodopa
143
Primidone
134

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Neurology Physician Overview

How ERIC FOLTZ, M.D. fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

ERIC FOLTZ, M.D.'s 4,974 claims are above the specialty average of 1,309.

Nearby Neurology Physician Providers in Arizona

Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as FOLTZ.

Compare Neurology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is ERIC FOLTZ, M.D.'s specialty?
ERIC FOLTZ, M.D. specializes in Neurology Physician and practices in GOODYEAR, Arizona. Credentials: M.D..
How much does ERIC FOLTZ, M.D. prescribe under Medicare Part D?
In 2023, ERIC FOLTZ, M.D. wrote 4,974 Medicare Part D claims totaling $1.3M in drug costs for 626 beneficiaries.
Where is ERIC FOLTZ, M.D. located?
ERIC FOLTZ, M.D. is located at 2940 N LITCHFIELD RD, GOODYEAR, AZ, 85395. Phone: (623) 535-0050.
What is ERIC FOLTZ, M.D.'s NPI number?
ERIC FOLTZ, M.D.'s National Provider Identifier (NPI) is 1063550978, issued on 02/02/2007.
Does ERIC FOLTZ, M.D. prescribe more brand-name or generic drugs?
ERIC FOLTZ, M.D.'s prescribing is 10% brand-name and 90% generic drugs by claim count, with $1.1M in brand drug costs.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does ERIC FOLTZ, M.D. prescribe most often?
Based on 2023 Medicare Part D data, ERIC FOLTZ, M.D.'s most frequently prescribed drugs include Gabapentin, Memantine Hcl, Levetiracetam. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ERIC FOLTZ, M.D. accept Medicare?
ERIC FOLTZ, M.D. appears in CMS Medicare data with 4,974 Part D claims and 626 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ERIC FOLTZ, M.D.'s credentials?
ERIC FOLTZ, M.D.'s NPI is 1063550978 with credentials M.D.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology