2026 NPPES data Surgery Physician NPI 1073727087 MD
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PETER NAU, MD

Surgery Physician in IOWA CITY, Iowa. 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
48
Medicare Part D claims · 16 beneficiaries · Surgery Physician avg: 169
Industry payments
$10.2K
14 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: PETER NAU, MD is a Surgery Physician ([object Object]) practicing in IOWA CITY, Iowa with a Medicare Part D prescribing footprint of 48 claims across 16 beneficiaries . Industry payments of $10.2K across 14 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: PETER NAU, MD filed 48 Medicare Part D claims in 2023 across IOWA CITY, Iowa. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

PETER NAU, MD 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).

PETER NAU, MD at a glance

Quality data not reported

NPI registry status

Active

Issued 05/09/2007

NPI 1073727087

Primary specialty

Surgery Physician

Mid-sized

36,191 US NPIs in this specialty

Medicare Part D claims

48 72% vs specialty avg

2023 prescription claims

Specialty avg: 169

Specialty distribution in Iowa

How Surgery Physician compares to other specialties among Iowa providers

Iowa providers

Surgery Physician share within Iowa

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

Specialty board-certification context

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

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

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

0%100%78%
Est. board-certified rate (Surgery 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).

PETER NAU, MD is a Surgery Physician provider practicing in IOWA CITY, Iowa, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: MD. NPI: 1073727087. This profile includes practice location, specialty classification, and organizational affiliations from the CMS provider registry. Provider information is self-reported to CMS and updated monthly.

PETER NAU, MD appears in the CMS NPPES registry as a Surgery Physician provider holding MD credentials at 200 HAWKINS DR, IOWA CITY, IA, 52242, with a listed phone of (319) 356-3457. NPI 1073727087 was issued on 05/09/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what NAU 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 48 prescription claims written by this provider, covering 16 Medicare beneficiaries and totaling roughly $835 in drug spend. 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.

Surgery Physician is a mid-sized specialty nationwide, with 36,191 enrolled providers across 56 states and an average of 169 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

200 HAWKINS DR
IOWA CITY, IA 52242

Provider Details

NPI 1073727087
Specialty Surgery Physician
Credentials MD
Gender Male
NPI Issued 05/09/2007

Hospital and facility affiliations

Facilities where PETER NAU, MD 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.

STATE UNIVERSITY OF IOWA
IOWA CITY, IA

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 PETER NAU, MD. Source: openpaymentsdata.cms.gov.

Total received

$10.2K

Largest payer

INTUITIVE SURGICAL, INC.

Most common payment type

Travel and Lodging

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.

Medicare Part D Prescribing Data

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

48
Total Claims
$835
Total Drug Cost
16
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
87
Total Day Supply
2,361
Generic Drug Cost
$703

Patient Demographics

Average Patient Age
68.3 years
Avg HCC Risk Score
1.15

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Pantoprazole Sodium
23
Omeprazole
16

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

Surgery Physician Overview

How PETER NAU, MD fits within the Surgery Physician landscape nationally.

36,191
Surgery Physician Providers in US
56
States with Surgery Physician
169
Avg Claims per Provider

PETER NAU, MD's 48 claims are below the specialty average of 169.

Nearby Surgery Physician Providers in Iowa

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

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

Frequently Asked Questions

What is PETER NAU, MD's specialty?
PETER NAU, MD specializes in Surgery Physician and practices in IOWA CITY, Iowa. Credentials: MD.
How much does PETER NAU, MD prescribe under Medicare Part D?
In 2023, PETER NAU, MD wrote 48 Medicare Part D claims totaling $835 in drug costs for 16 beneficiaries.
Where is PETER NAU, MD located?
PETER NAU, MD is located at 200 HAWKINS DR, IOWA CITY, IA, 52242. Phone: (319) 356-3457.
What is PETER NAU, MD's NPI number?
PETER NAU, MD's National Provider Identifier (NPI) is 1073727087, issued on 05/09/2007.
How many Surgery Physician providers are there in the US?
There are 36,191 Surgery Physician providers across 56 states in the US. The average Surgery Physician provider writes 169 Medicare Part D claims per year.
What drugs does PETER NAU, MD prescribe most often?
Based on 2023 Medicare Part D data, PETER NAU, MD's most frequently prescribed drugs include Pantoprazole Sodium, Omeprazole. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does PETER NAU, MD accept Medicare?
PETER NAU, MD appears in CMS Medicare data with 48 Part D claims and 16 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify PETER NAU, MD's credentials?
PETER NAU, MD's NPI is 1073727087 with credentials MD. 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