2026 NPPES data Family Medicine Physician NPI 1023139805 M.D.
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Joshua Phillips, M.D.

Family Medicine Physician in Union Grove, Wisconsin. 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
2K
Medicare Part D claims · 56 beneficiaries · Family Medicine Physician avg: 3K

What the federal data shows

Joshua Phillips, M.D. filed 1,846 Medicare Part D claims in 2023 as a Family Medicine Physician in Union Grove, Wisconsin.

2K
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.

Joshua Phillips, M.D.'s Medicare Part D volume vs every U.S. prescriber

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

1,846 Top 17% higher than 83% 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%). This entry sits in this band. 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

Board-eligible specialty (heuristic — not verified)

Joshua Phillips, M.D. practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about Joshua Phillips, M.D.?

Quality data not reported

NPI registry status

Active

Issued 04/02/2007

NPI 1023139805

Primary specialty

Family Medicine Physician

High-volume

147,640 US NPIs in this specialty

Medicare Part D claims

1,846 46% vs specialty avg

2023 prescription claims

Specialty avg: 3,418

Specialty distribution in Wisconsin

How Family Medicine Physician compares to other specialties among Wisconsin providers

Wisconsin providers

Family Medicine Physician share within Wisconsin

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

Specialty board-certification context

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

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

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

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

Joshua Phillips, M.D. appears in the CMS NPPES registry as a Family Medicine Physician provider holding M.D. credentials at 21425 SPRING ST, Union Grove, WI, 53182, with a listed phone of (262) 878-2411. NPI 1023139805 was issued on 04/02/2007. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Phillips 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 1,846 prescription claims written by this provider, covering 56 Medicare beneficiaries and totaling roughly $102K 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.

Family Medicine Physician is a high-volume specialty nationwide, with 147,640 enrolled providers across 56 states and an average of 3,418 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

21425 SPRING ST
Union Grove, WI 53182

Provider Details

NPI 1023139805
Specialty Family Medicine Physician
Credentials M.D.
Gender Male
NPI Issued 04/02/2007

Medicare Part D Prescribing Data

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

1,846
Total Claims
$102K
Total Drug Cost
56
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
1,846
Total Day Supply
53,413
Generic Drug Cost
$102K

Patient Demographics

Average Patient Age
62.8 years
Avg HCC Risk Score
0.86
Gender Split
23% female / 77% male
Age Distribution
<65: 27, 65-74: 23, 75-84: N/A, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

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

What Joshua Phillips, 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
Olanzapine
279
Quetiapine Fumarate
228
Fluoxetine Hcl
126
Divalproex Sodium Er
Divalproex Sodium
125
Sertraline Hcl
98
Lamotrigine
94
Buspirone Hcl
92
Divalproex Sodium
77
Risperidone
70
Chlorpromazine Hcl
59

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

Family Medicine Physician Overview

How Joshua Phillips, M.D. fits within the Family Medicine Physician landscape nationally.

147,640
Family Medicine Physician Providers in US
56
States with Family Medicine Physician
3,418
Avg Claims per Provider

Joshua Phillips, M.D.'s 1,846 claims are below the specialty average of 3,418.

Nearby Family Medicine Physician Providers in Wisconsin

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

Compare Family Medicine Physician nationally: see state-by-state distribution →

Before you book an appointment

Use this federal record as your verification checklist, not as a recommendation.

  • Confirm the NPI record is current in the official CMS registry — providers update their own NPPES details, and moves can lag. Verify this NPI
  • Check the active license and any disciplinary history with the Wisconsin medical board — federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Family Medicine Physician peer on Medicare volume and prescribing patterns. Compare providers

Medicare Part D and MIPS figures describe practice patterns in federal programs only — they are not quality ratings, and PlainDoctor does not rate, rank, or recommend providers.

Frequently Asked Questions

What is Joshua Phillips, M.D.'s specialty?
Joshua Phillips, M.D. specializes in Family Medicine Physician and practices in Union Grove, Wisconsin. Credentials: M.D..
How much does Joshua Phillips, M.D. prescribe under Medicare Part D?
In 2023, Joshua Phillips, M.D. wrote 1,846 Medicare Part D claims totaling $102K in drug costs for 56 beneficiaries.
Where is Joshua Phillips, M.D. located?
Joshua Phillips, M.D. is located at 21425 SPRING ST, Union Grove, WI, 53182. Phone: (262) 878-2411.
What is Joshua Phillips, M.D.'s NPI number?
Joshua Phillips, M.D.'s National Provider Identifier (NPI) is 1023139805, issued on 04/02/2007.
How many Family Medicine Physician providers are there in the US?
There are 147,640 Family Medicine Physician providers across 56 states in the US. The average Family Medicine Physician provider writes 3,418 Medicare Part D claims per year.
What drugs does Joshua Phillips, M.D. prescribe most often?
Based on 2023 Medicare Part D data, Joshua Phillips, M.D.'s most frequently prescribed drugs include Olanzapine, Quetiapine Fumarate, Fluoxetine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Joshua Phillips, M.D. accept Medicare?
Joshua Phillips, M.D. appears in CMS Medicare data with 1,846 Part D claims and 56 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Joshua Phillips, M.D.'s credentials?
Joshua Phillips, M.D.'s NPI is 1023139805 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