2026 NPPES data Internal Medicine Physician NPI 1346296183 DO
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Andrew Fields, DO

Internal Medicine Physician in Wichita, Kansas. This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 172,858 in Internal Medicine Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.

Federal data, no proprietary rating. We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
551
Medicare Part D claims · 274 beneficiaries · Internal Medicine Physician avg: 3K
Compiled from official public sources by the PlainDoctor editorial team.

What the federal data shows

Andrew Fields, DO filed 551 Medicare Part D claims in 2023 as a Internal Medicine Physician in Wichita, Kansas.

551
Part D claims, 2023
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.

Andrew Fields, DO's Medicare Part D volume vs every U.S. prescriber

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

551 Top 34% higher than 66% 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%). This entry sits in this band. 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. 2K+: 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 certification likely (heuristic, not verified)

Andrew Fields, DO 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 Andrew Fields, DO?

Quality data not reported

NPI registry status

Active

Issued 05/25/2006

NPI 1346296183

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

551 80% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Kansas

How Internal Medicine Physician compares to other specialties among Kansas providers

Kansas providers

Largest specialties in Kansas (% of in-state providers)

Behavior Technician - 6.6%Behavior Technician6.6%Social Worker - 5%Social Worker5%Pharmacist - 4.9%Pharmacist4.9%Physical Therapist - 4.8%Physical Therapist4.8%Family Nurse Practitioner - 3.9%Family Nurse Practitioner3.9%Clinical Social Worker - 3.7%Clinical Social Worker3.7%Internal Medicine Physician - 2.1%Internal Medicine Physician2.1%
Largest specialties in Kansas (% of in-state providers)

Board certification

Not published by CMS

CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Internal Medicine Physician. Verify directly:

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 Fields, DO appears in the CMS NPPES registry as a Internal Medicine Physician provider holding DO credentials at 13610 W MAPLE ST, Wichita, KS, 67235, with a listed phone of (316) 773-4500. NPI 1346296183 was issued on 05/25/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what Fields 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 551 prescription claims written by this provider, covering 274 Medicare beneficiaries and totaling roughly $19K in drug spend, with an opioid prescribing rate of 3.1%. 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.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,858 enrolled providers across 56 states and an average of 2,716 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

13610 W MAPLE ST
Wichita, KS 67235

Provider Details

NPI 1346296183
Specialty Internal Medicine Physician
Credentials DO
Gender Male
NPI Issued 05/25/2006

Hospital and facility affiliations

Facilities where Andrew Fields, DO 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.

Hospitalist Medicine Physicians OF Texas PLLC
Wichita, KS

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

Medicare Part D Prescribing Data

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

551
Total Claims
$19K
Total Drug Cost
274
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
595
Total Day Supply
11,847
Generic Drug Cost
$8K
Opioid Claims
17 (3.1% rate)
Antibiotic Claims
147

Patient Demographics

Average Patient Age
75.8 years
Avg HCC Risk Score
2.18
Gender Split
59% female / 41% male
Age Distribution
<65: 34, 65-74: 78, 75-84: 103, 85+: 59

Top Prescribed Drugs (Medicare Part D)

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

What Andrew Fields, DO 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
Pantoprazole Sodium
76
Cefdinir
46
Furosemide
28
Prednisone
28
Cefpodoxime Proxetil
23
Metoprolol Tartrate
22
Amlodipine Besylate
18
Ciprofloxacin Hcl
17
Ondansetron Hcl
17
Amoxicillin-Clavulanate Potass
Amoxicillin/Potassium Clav
16

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

Internal Medicine Physician Overview

How Andrew Fields, DO fits within the Internal Medicine Physician landscape nationally.

172,858
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

Andrew Fields, DO's 551 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Kansas

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

Compare Internal 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 Kansas medical board, federal registration is not a license check. Credential verification guide
  • Weigh a second option: compare this provider with a nearby Internal 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 Andrew Fields, DO's specialty?
Andrew Fields, DO specializes in Internal Medicine Physician and practices in Wichita, Kansas. Credentials: DO.
How much does Andrew Fields, DO prescribe under Medicare Part D?
In 2023, Andrew Fields, DO wrote 551 Medicare Part D claims totaling $19K in drug costs for 274 beneficiaries.
Where is Andrew Fields, DO located?
Andrew Fields, DO is located at 13610 W MAPLE ST, Wichita, KS, 67235. Phone: (316) 773-4500.
What is Andrew Fields, DO's NPI number?
Andrew Fields, DO's National Provider Identifier (NPI) is 1346296183, issued on 05/25/2006.
Does Andrew Fields, DO prescribe opioids?
Yes, Andrew Fields, DO had 17 opioid claims in 2023 with an opioid prescribing rate of 3.1%.
How many Internal Medicine Physician providers are there in the US?
There are 172,858 Internal Medicine Physician providers across 56 states in the US. The average Internal Medicine Physician provider writes 2,716 Medicare Part D claims per year.
What drugs does Andrew Fields, DO prescribe most often?
Based on 2023 Medicare Part D data, Andrew Fields, DO's most frequently prescribed drugs include Pantoprazole Sodium, Cefdinir, Furosemide. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Andrew Fields, DO accept Medicare?
Andrew Fields, DO appears in CMS Medicare data with 551 Part D claims and 274 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Andrew Fields, DO's credentials?
Andrew Fields, DO's NPI is 1346296183 with credentials DO. 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

Compiled from official public sources by the PlainDoctor editorial team.