2026 NPPES data Internal Medicine Physician NPI 1518353549 MD
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CHRISTOPHER BROWN, MD

Internal Medicine Physician in KLAMATH FALLS, Oregon. 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
554
Medicare Part D claims · 48 beneficiaries · Internal Medicine Physician avg: 3K

What the federal data shows

CHRISTOPHER BROWN, MD filed 554 Medicare Part D claims in 2023 as a Internal Medicine Physician in KLAMATH FALLS, Oregon.

554
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.

CHRISTOPHER BROWN, MD's Medicare Part D volume vs every U.S. prescriber

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

554 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. 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 certification likely (heuristic — not verified)

CHRISTOPHER BROWN, MD 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 CHRISTOPHER BROWN, MD?

Quality data not reported

NPI registry status

Active

Issued 04/07/2015

NPI 1518353549

Primary specialty

Internal Medicine Physician

High-volume

172,858 US NPIs in this specialty

Medicare Part D claims

554 80% vs specialty avg

2023 prescription claims

Specialty avg: 2,716

Specialty distribution in Oregon

How Internal Medicine Physician compares to other specialties among Oregon providers

Oregon providers

Internal Medicine Physician share within Oregon

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

Specialty board-certification context

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

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

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

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

CHRISTOPHER BROWN, MD appears in the CMS NPPES registry as a Internal Medicine Physician provider holding MD credentials at 2865 DAGGETT AVE, KLAMATH FALLS, OR, 97601, with a listed phone of (541) 274-6221. NPI 1518353549 was issued on 04/07/2015. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what BROWN 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 554 prescription claims written by this provider, covering 48 Medicare beneficiaries and totaling roughly $48K in drug spend, with an opioid prescribing rate of 9.0%. 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

2865 DAGGETT AVE
KLAMATH FALLS, OR 97601

Provider Details

NPI 1518353549
Specialty Internal Medicine Physician
Credentials MD
Gender Male
NPI Issued 04/07/2015

Hospital and facility affiliations

Facilities where CHRISTOPHER BROWN, MD 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.

CONFEDERATED TRIBES OF THE GRAND RONDE COMMUNITY OF OREGON
GRAND RONDE, OR
SKY LAKES MEDICAL CENTER INC
KLAMATH FALLS, OR

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.

554
Total Claims
$48K
Total Drug Cost
48
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
850
Total Day Supply
23,284
Generic Drug Cost
$10K
Opioid Claims
50 (9.0% rate)
Antibiotic Claims
14

Patient Demographics

Average Patient Age
69.7 years
Avg HCC Risk Score
1.65
Gender Split
56% female / 44% male

Top Prescribed Drugs (Medicare Part D)

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

What CHRISTOPHER BROWN, MD 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
Levothyroxine Sodium
37
Ozempic
Semaglutide
27
Oxycodone Hcl
24
Atorvastatin Calcium
22
Omeprazole
19
Amlodipine Besylate
17
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
17
Losartan Potassium
16
Potassium Chloride
15
Glipizide
13

* 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 CHRISTOPHER BROWN, MD 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

CHRISTOPHER BROWN, MD's 554 claims are below the specialty average of 2,716.

Nearby Internal Medicine Physician Providers in Oregon

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

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

Frequently Asked Questions

What is CHRISTOPHER BROWN, MD's specialty?
CHRISTOPHER BROWN, MD specializes in Internal Medicine Physician and practices in KLAMATH FALLS, Oregon. Credentials: MD.
How much does CHRISTOPHER BROWN, MD prescribe under Medicare Part D?
In 2023, CHRISTOPHER BROWN, MD wrote 554 Medicare Part D claims totaling $48K in drug costs for 48 beneficiaries.
Where is CHRISTOPHER BROWN, MD located?
CHRISTOPHER BROWN, MD is located at 2865 DAGGETT AVE, KLAMATH FALLS, OR, 97601. Phone: (541) 274-6221.
What is CHRISTOPHER BROWN, MD's NPI number?
CHRISTOPHER BROWN, MD's National Provider Identifier (NPI) is 1518353549, issued on 04/07/2015.
Does CHRISTOPHER BROWN, MD prescribe opioids?
Yes, CHRISTOPHER BROWN, MD had 50 opioid claims in 2023 with an opioid prescribing rate of 9.0%.
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 CHRISTOPHER BROWN, MD prescribe most often?
Based on 2023 Medicare Part D data, CHRISTOPHER BROWN, MD's most frequently prescribed drugs include Levothyroxine Sodium, Ozempic, Oxycodone Hcl. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does CHRISTOPHER BROWN, MD accept Medicare?
CHRISTOPHER BROWN, MD appears in CMS Medicare data with 554 Part D claims and 48 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify CHRISTOPHER BROWN, MD's credentials?
CHRISTOPHER BROWN, MD's NPI is 1518353549 with credentials MD. 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