2026 NPPES data Neurology Physician NPI 1265434112 M.D.
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RANDALL BJORK, M.D.

Neurology Physician in MISHAWAKA, Indiana. 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 · 447 beneficiaries · Neurology Physician avg: 1K
Generic prescribing
86%
generic claims · 14% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$2.7K
91 payments · CMS Open Payments (Sunshine Act)
What the federal data reveals: RANDALL BJORK, M.D. is a Neurology Physician ([object Object]) practicing in MISHAWAKA, Indiana with a Medicare Part D prescribing footprint of 2K claims across 447 beneficiaries — 14% brand-name prescribing . Industry payments of $2.7K across 91 transactions are disclosed under CMS Open Payments (Sunshine Act).

What stands out: RANDALL BJORK, M.D. filed 1,829 Medicare Part D claims in 2023 across MISHAWAKA, Indiana. Every figure on this page comes straight from federal CMS records, with no proprietary rating applied.

Board certification likely (heuristic — not verified)

RANDALL BJORK, M.D. 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).

RANDALL BJORK, M.D. at a glance

Quality data not reported

NPI registry status

Active

Issued 08/11/2005

NPI 1265434112

Primary specialty

Neurology Physician

Mid-sized

19,866 US NPIs in this specialty

Medicare Part D claims

1,829 40% vs specialty avg

2023 prescription claims

Specialty avg: 1,309

Specialty distribution in Indiana

How Neurology Physician compares to other specialties among Indiana providers

Indiana providers

Neurology Physician share within Indiana

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

Specialty board-certification context

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

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

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

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

RANDALL BJORK, M.D. is a Neurology Physician provider practicing in MISHAWAKA, Indiana, according to the CMS National Plan and Provider Enumeration System (NPPES). Credentials: M.D.. NPI: 1265434112. 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.

RANDALL BJORK, M.D. appears in the CMS NPPES registry as a Neurology Physician provider holding M.D. credentials at 611 E DOUGLAS RD STE 305, MISHAWAKA, IN, 46545, with a listed phone of (574) 335-6450. NPI 1265434112 was issued on 08/11/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BJORK 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 1,829 prescription claims written by this provider, covering 447 Medicare beneficiaries and totaling roughly $1.0 million in drug spend, split 14% brand-name and 86% generic by claim count. 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.

Neurology Physician is a mid-sized specialty nationwide, with 19,866 enrolled providers across 54 states and an average of 1,309 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

611 E DOUGLAS RD STE 305
MISHAWAKA, IN 46545

Provider Details

NPI 1265434112
Specialty Neurology Physician
Credentials M.D.
Gender Male
NPI Issued 08/11/2005

Hospital and facility affiliations

Facilities where RANDALL BJORK, M.D. 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.

SAINT JOSEPH REGIONAL MEDICAL CENTER INC
MISHAWAKA, IN

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 RANDALL BJORK, M.D.. Source: openpaymentsdata.cms.gov.

Total received

$2.7K

Largest payer

Teva Pharmaceuticals USA, Inc.

Most common payment type

Food and Beverage

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.

Brand vs generic prescribing mix · Typical

RANDALL BJORK, M.D. — brand share 14.0%
Specialty average (est.)

14% brand-name claims vs 86% generic, on 1,829 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.

1,829
Total Claims
$1.0M
Total Drug Cost
447
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
3,809
Total Day Supply
112,162
Brand vs Generic
14% brand / 86% generic
Brand Drug Cost
$902K
Generic Drug Cost
$106K

Patient Demographics

Average Patient Age
71.0 years
Avg HCC Risk Score
1.58
Gender Split
54% female / 46% male
Age Distribution
<65: 92, 65-74: 169, 75-84: 149, 85+: 37

Top Prescribed Drugs (Medicare Part D)

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

Drug Claims
Donepezil Hcl
303
Carbidopa-Levodopa
Carbidopa/Levodopa
229
Memantine Hcl
139
Levetiracetam
96
Primidone
90
Gabapentin
79
Lamotrigine
72
Nurtec Odt
Rimegepant Sulfate
50
Amitriptyline Hcl
44
Lacosamide
35

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

Neurology Physician Overview

How RANDALL BJORK, M.D. fits within the Neurology Physician landscape nationally.

19,866
Neurology Physician Providers in US
54
States with Neurology Physician
1,309
Avg Claims per Provider

RANDALL BJORK, M.D.'s 1,829 claims are above the specialty average of 1,309.

Nearby Neurology Physician Providers in Indiana

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

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

Frequently Asked Questions

What is RANDALL BJORK, M.D.'s specialty?
RANDALL BJORK, M.D. specializes in Neurology Physician and practices in MISHAWAKA, Indiana. Credentials: M.D..
How much does RANDALL BJORK, M.D. prescribe under Medicare Part D?
In 2023, RANDALL BJORK, M.D. wrote 1,829 Medicare Part D claims totaling $1.0M in drug costs for 447 beneficiaries.
Where is RANDALL BJORK, M.D. located?
RANDALL BJORK, M.D. is located at 611 E DOUGLAS RD STE 305, MISHAWAKA, IN, 46545. Phone: (574) 335-6450.
What is RANDALL BJORK, M.D.'s NPI number?
RANDALL BJORK, M.D.'s National Provider Identifier (NPI) is 1265434112, issued on 08/11/2005.
Does RANDALL BJORK, M.D. prescribe more brand-name or generic drugs?
RANDALL BJORK, M.D.'s prescribing is 14% brand-name and 86% generic drugs by claim count, with $902K in brand drug costs.
How many Neurology Physician providers are there in the US?
There are 19,866 Neurology Physician providers across 54 states in the US. The average Neurology Physician provider writes 1,309 Medicare Part D claims per year.
What drugs does RANDALL BJORK, M.D. prescribe most often?
Based on 2023 Medicare Part D data, RANDALL BJORK, M.D.'s most frequently prescribed drugs include Donepezil Hcl, Carbidopa-Levodopa, Memantine Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does RANDALL BJORK, M.D. accept Medicare?
RANDALL BJORK, M.D. appears in CMS Medicare data with 1,829 Part D claims and 447 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify RANDALL BJORK, M.D.'s credentials?
RANDALL BJORK, M.D.'s NPI is 1265434112 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