2026 NPPES data Internal Medicine Physician NPI 1386955334 DO
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Benjamin Petelin, DO

Internal Medicine Physician in Kansas City, Missouri.

This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 172,737 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
10K
Medicare Part D claims · 796 beneficiaries · Internal Medicine Physician avg: 3K
Generic prescribing
90%
generic claims · 9% brand-name · higher generic rates reduce patient out-of-pocket costs

What the federal data shows

Benjamin Petelin, DO filed 9,541 Medicare Part D claims in 2023 as an Internal Medicine Physician in Kansas City, Missouri, prescribing 90% generic.

10K
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.

Benjamin Petelin, DO's Medicare Part D volume vs every U.S. prescriber

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

9,541 Top 2% higher than 98% 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. 2K+: 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)

Benjamin Petelin, DO practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 2 hospital affiliations - 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 Benjamin Petelin, DO?

Quality data not reported

NPI registry status

Active

Issued 06/24/2010

NPI 1386955334

Primary specialty

Internal Medicine Physician

High-volume

172,737 US NPIs in this specialty

Medicare Part D claims

9,541 251% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Missouri

How Internal Medicine Physician compares to other specialties among Missouri providers

Missouri providers
Pharmacist4.8%Professional Counselor4.8%Speech-Language Pathologist4.5%Clinical Social Worker4.5%Family Nurse Practitioner4.3%Physical Therapist4%Internal Medicine Physician3.1%
Largest specialties in Missouri (% 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:

How MIPS and board certification work

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).

Benjamin Petelin, DO appears in the CMS NPPES registry as an Internal Medicine Physician provider holding DO credentials at 4321 WASHINGTON ST STE 3000, Kansas City, MO, 64111, with a listed phone of (816) 932-3100. NPI 1386955334 was issued on 06/24/2010.

Medicare Part D records for calendar year 2023 show 9,541 prescription claims written by this provider, covering 796 Medicare beneficiaries and totaling roughly $757K in drug spend, split 9% brand-name and 90% generic by claim count, with an opioid prescribing rate of 2.1%.

Internal Medicine Physician is a high-volume specialty nationwide, with 172,737 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

4321 WASHINGTON ST STE 3000
Kansas City, MO 64111

Provider Details

NPI 1386955334
Specialty Internal Medicine Physician
Credentials DO
Gender Male
NPI Issued 06/24/2010

Hospital and facility affiliations

Facilities where Benjamin Petelin, 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.

Jayhawk Primary Care Inc
Westwood, KS
Saint Lukes Physician Group Inc
Kansas City, MO

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

Brand vs generic prescribing mix · Generic-heavy

Benjamin Petelin, DO - brand share 9.0%
Internal Medicine Physician average

9% brand-name claims vs 90% generic, on 9,541 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.

9,541
Total Claims
$757K
Total Drug Cost
796
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
21,923
Total Day Supply
646,090
Brand vs Generic
9% brand / 90% generic
Brand Drug Cost
$580K
Generic Drug Cost
$174K
Opioid Claims
202 (2.1% rate)
Antibiotic Claims
95

Patient Demographics

Average Patient Age
73.4 years
Avg HCC Risk Score
1.22
Gender Split
41% female / 59% male
Age Distribution
<65: 62, 65-74: 397, 75-84: 271, 85+: 66

Top Prescribed Drugs (Medicare Part D)

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

What Benjamin Petelin, 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
Atorvastatin Calcium
1,030
Amlodipine Besylate
472
Losartan Potassium
399
Levothyroxine Sodium
356
Lisinopril
281
Pantoprazole Sodium
264
Rosuvastatin Calcium
238
Gabapentin
206
Hydrochlorothiazide
204
Metformin Hcl
192

* 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 Benjamin Petelin, DO fits within the Internal Medicine Physician landscape nationally.

172,737
Internal Medicine Physician Providers in US
56
States with Internal Medicine Physician
2,716
Avg Claims per Provider

Benjamin Petelin, DO's 9,541 claims are above the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Missouri

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

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 Missouri 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 Benjamin Petelin, DO's specialty?
Benjamin Petelin, DO specializes in Internal Medicine Physician and practices in Kansas City, Missouri. Credentials: DO.
How much does Benjamin Petelin, DO prescribe under Medicare Part D?
In 2023, Benjamin Petelin, DO wrote 9,541 Medicare Part D claims totaling $757K in drug costs for 796 beneficiaries.
Where is Benjamin Petelin, DO located?
Benjamin Petelin, DO is located at 4321 WASHINGTON ST STE 3000, Kansas City, MO, 64111. Phone: (816) 932-3100.
What is Benjamin Petelin, DO's NPI number?
Benjamin Petelin, DO's National Provider Identifier (NPI) is 1386955334, issued on 06/24/2010.
Does Benjamin Petelin, DO prescribe more brand-name or generic drugs?
Benjamin Petelin, DO's prescribing is 9% brand-name and 90% generic drugs by claim count, with $580K in brand drug costs.
Does Benjamin Petelin, DO prescribe opioids?
Yes, Benjamin Petelin, DO had 202 opioid claims in 2023 with an opioid prescribing rate of 2.1%.
How many Internal Medicine Physician providers are there in the US?
There are 172,737 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 Benjamin Petelin, DO prescribe most often?
Based on 2023 Medicare Part D data, Benjamin Petelin, DO's most frequently prescribed drugs include Atorvastatin Calcium, Amlodipine Besylate, Losartan Potassium. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does Benjamin Petelin, DO accept Medicare?
Benjamin Petelin, DO appears in CMS Medicare data with 9,541 Part D claims and 796 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify Benjamin Petelin, DO's credentials?
Benjamin Petelin, DO's NPI is 1386955334 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

View source datasets and methodology notes
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 editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.