2026 NPPES data Endodontics NPI 1437443876 DDS MSD
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ANDREW NERNESS, DDS MSD

Endodontics in MAPLEWOOD, Minnesota. 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
86
Medicare Part D claims · 60 beneficiaries · Endodontics avg: 116

What the federal data shows

ANDREW NERNESS, DDS MSD filed 86 Medicare Part D claims in 2023 as a Endodontics in MAPLEWOOD, Minnesota.

86
Part D claims, 2023

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.

ANDREW NERNESS, DDS MSD's Medicare Part D volume vs every U.S. prescriber

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

86 0th percentile higher than 0% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. 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

What does the federal data show about ANDREW NERNESS, DDS MSD?

Quality data not reported

NPI registry status

Active

Issued 06/02/2011

NPI 1437443876

Primary specialty

Endodontics

Mid-sized

5,856 US NPIs in this specialty

Medicare Part D claims

86 26% vs specialty avg

2023 prescription claims

Specialty avg: 116

Specialty distribution in Minnesota

How Endodontics compares to other specialties among Minnesota providers

Minnesota providers

Endodontics share within Minnesota

1. Endodontics42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Endodontics share within Minnesota

Specialty board-certification context

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

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

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

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

ANDREW NERNESS, DDS MSD is a Endodontics provider practicing in MAPLEWOOD, Minnesota, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: DDS MSD. NPI: 1437443876. 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.

ANDREW NERNESS, DDS MSD appears in the CMS NPPES registry as a Endodontics provider holding DDS MSD credentials at 2945 HAZELWOOD ST STE 330, MAPLEWOOD, MN, 55109, with a listed phone of (651) 777-7744. NPI 1437443876 was issued on 06/02/2011. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what NERNESS 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 86 prescription claims written by this provider, covering 60 Medicare beneficiaries and totaling roughly $560 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.

Endodontics is a mid-sized specialty nationwide, with 5,856 enrolled providers across 53 states and an average of 116 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

2945 HAZELWOOD ST STE 330
MAPLEWOOD, MN 55109

Provider Details

NPI 1437443876
Specialty Endodontics
Credentials DDS MSD
Gender Male
NPI Issued 06/02/2011

Medicare Part D Prescribing Data

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

86
Total Claims
$560
Total Drug Cost
60
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
86
Total Day Supply
603
Brand Drug Cost
$0
Generic Drug Cost
$560
Antibiotic Claims
81

Patient Demographics

Average Patient Age
73.3 years
Avg HCC Risk Score
0.81
Gender Split
57% female / 43% male

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Amoxicillin
51
Clindamycin Hcl
11

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

Endodontics Overview

How ANDREW NERNESS, DDS MSD fits within the Endodontics landscape nationally.

5,856
Endodontics Providers in US
53
States with Endodontics
116
Avg Claims per Provider

ANDREW NERNESS, DDS MSD's 86 claims are below the specialty average of 116.

Nearby Endodontics Providers in Minnesota

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

Compare Endodontics nationally: see state-by-state distribution →

Frequently Asked Questions

What is ANDREW NERNESS, DDS MSD's specialty?
ANDREW NERNESS, DDS MSD specializes in Endodontics and practices in MAPLEWOOD, Minnesota. Credentials: DDS MSD.
How much does ANDREW NERNESS, DDS MSD prescribe under Medicare Part D?
In 2023, ANDREW NERNESS, DDS MSD wrote 86 Medicare Part D claims totaling $560 in drug costs for 60 beneficiaries.
Where is ANDREW NERNESS, DDS MSD located?
ANDREW NERNESS, DDS MSD is located at 2945 HAZELWOOD ST STE 330, MAPLEWOOD, MN, 55109. Phone: (651) 777-7744.
What is ANDREW NERNESS, DDS MSD's NPI number?
ANDREW NERNESS, DDS MSD's National Provider Identifier (NPI) is 1437443876, issued on 06/02/2011.
How many Endodontics providers are there in the US?
There are 5,856 Endodontics providers across 53 states in the US. The average Endodontics provider writes 116 Medicare Part D claims per year.
What drugs does ANDREW NERNESS, DDS MSD prescribe most often?
Based on 2023 Medicare Part D data, ANDREW NERNESS, DDS MSD's most frequently prescribed drugs include Amoxicillin, Clindamycin Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does ANDREW NERNESS, DDS MSD accept Medicare?
ANDREW NERNESS, DDS MSD appears in CMS Medicare data with 86 Part D claims and 60 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify ANDREW NERNESS, DDS MSD's credentials?
ANDREW NERNESS, DDS MSD's NPI is 1437443876 with credentials DDS MSD. 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