Dr. William R Princen , MD
Emergency Medicine • Beaverton, OR
2225 Nw Town Center Dr
Beaverton, OR 970068915
This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.
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Dr. William Princen is listed in NPPES under Emergency Medicine.
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NPI assigned on November 10, 2006; this date does not establish years in practice.
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Published CMS data list 184 Original Medicare Part B services in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Published rows only; this is not a quality measure.
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Published Part B service records, 2021:
- 99203 — New patient outpatient office visit: 62 service units.
- 87635 — Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen: 61 service units.
- 99213 — Established patient outpatient office visit: 24 service units.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021. Units differ by code; these are not visits or a measure of quality.
CPT® only copyright 2020 American Medical Association. All rights reserved. Service names are shortened from CPT Consumer Friendly Descriptors (CMS data, 2021). CPT notice
See all 6 records in the table · Guide: How to read Medicare Part B data
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Medicare Part B services went from 26 in 2018 to 184 in 2021.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2018–2021.
Practice Location & Contact Primary Location
2225 Nw Town Center Dr
Beaverton, OR 970068915
Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.
What Public CMS Data Show
Emergency Medicine: NPPES taxonomy is a reported classification, not proof of board certification.
Medicare patients
117 people with Original Medicare in 2021
It gives a sense of how many people with Medicare this clinician treated that year.
Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2021.
Medicare-allowed amount
About $16,588 in 2021
The total amount Medicare approved for these services in 2021. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.
It shows the total cost of this clinician's Original Medicare services under Medicare's fee rules.
What this does not show: Medicare-allowed amount
This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Paid by Medicare
About $15,170 in 2021
The part of the Medicare-allowed amount that Medicare itself paid in 2021, after patients' deductibles and coinsurance.
The gap between the allowed amount and this number is roughly what patients and their other insurance paid.
What this does not show: Paid by Medicare
This is not the clinician's income and not a measure of quality.
Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2021.
Industry payments (Open Payments)
No Open Payments records are listed for this clinician for 2019–2025.
NPI first issued
2006
The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.
What this does not show: NPI first issued
NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.
Source: CMS NPPES NPI Registry.
Medicare assignment not listed
CMS data do not show whether this clinician accepts Medicare assignment. This does not mean they do not accept Medicare. Ask the office.
Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.
Source: CMS Doctors and Clinicians, CMS release of October 2, 2026; Medicare.gov, “Does your provider accept Medicare as full payment?”
No telehealth indicator
CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.
Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians, CMS release of October 2, 2026.
Compared with the same specialty in Beaverton and Oregon
Billing and prescribing volume is not a quality rating.
Medicare Part B
Comparisons use 2024 data. The latest CMS data for Dr. Princen are from 2021.
7 active clinicians are listed under Emergency Medicine with a practice address in Beaverton, OR (1,091 in Oregon).
Addresses are self-reported to NPPES and may be out of date.
CMS data by year
Changes may reflect reporting, coverage or privacy limits, not changes in care quality.
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Medicare Part B services
Medicare Part B services increased 608% from 26 in 2018 to 184 in 2021.
- 2018: 26
- 2019: 29
- 2020: 135
- 2021: 184
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Medicare-allowed amount
Medicare-allowed amount increased 651% from $2,209 in 2018 to $16,588 in 2021.
- 2018: $2,209
- 2019: $2,607
- 2020: $13,901
- 2021: $16,588
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Paid by Medicare
Paid by Medicare increased 1070% from $1,296 in 2018 to $15,170 in 2021.
- 2018: $1,296
- 2019: $1,782
- 2020: $11,589
- 2021: $15,170
Sources: CMS Medicare Physician & Other Practitioners (2021), CMS Doctors and Clinicians, CMS release of October 2, 2026, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.
Text: T-MedInfo · Report an error.
Performed Procedures & Service Volume
CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2017–2020 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2018–2021; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.
| HCPCS Code | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
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99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
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62 | 62 | $250.00 | $115.87 |
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87635
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen
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61 | 61 | $199.00 | $51.31 |
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99213
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more
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24 | 23 | $190.00 | $94.59 |
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87426
Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus
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14 | 14 | $139.00 | $35.33 |
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99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
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12 | 12 | $270.00 | $134.14 |
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99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
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11 | 11 | $355.00 | $172.68 |
Source: CMS Part B by Provider and Service, 2021; services under 11 beneficiaries omitted by CMS. Privacy limits
Submitted charges are billed amounts, not a price quote for your visit.
Specialties & License Numbers Reported to NPPES
NUCC Taxonomy Code: 207P00000X
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Additional State Medicaid & Healthcare Payer Identifiers
Career & Practice History
NPI enumerated November 10, 2006.
No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to November 2026.
NPI Administrative Meta
Other Emergency Medicine Providers in Beaverton
Healthcare providers in BeavertonMailing Address
2225 Nw Town Center Dr
Beaverton, OR 970068915
Phone: 5037261021