Thomas Arpero Calderon, MD
Family Medicine Physician · Bellingham, WA
Thomas Arpero Calderon, MD is a family medicine physician with a practice address in Bellingham, Washington, and NPI 1366595654, issued on Jan 19, 2007. Check the license (Washington MD00036406, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Thomas Arpero Calderon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00036406 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4455 Cordata Pkwy, Bellingham, WA 98226
- Phone
- (360) 671-3225
- Enumerated
- Jan 19, 2007
- Record last updated
- Sep 20, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (360) 671-0000
- Medicaid ID
- 8233876 WA
- Medicare enrollment
- Enrolled (PECOS I20111019000710); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 4455 Cordata Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ione Adams, MDFamily Medicine Physician1366598625
- Sarah AddisonCounselor1174775878
- Sam Arnason, BA, CDPCounselor1568660330
- Casey BartenCounselor1831475607
- Morgan BatesRegistered Nurse1699504688
- Sarah Bates, CNMAdvanced Practice Midwife1508332396
Verify Thomas Arpero Calderon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00036406Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
703 Medicare Part D claims for 37 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 26 claims were for opioids.
Most prescribed
- Gabapentin44 claims
- Atorvastatin Calcium34 claims
- Lisinopril33 claims
- Levothyroxine Sodium23 claims
- Famotidine22 claims
- Solifenacin Succinate21 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Upper Skagit Indian TribeSedro Woolley, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Arpero Calderon among 5,534 family medicine physician records in Washington
Thomas Arpero Calderon, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1995 · median 2009 among the 3,294 with a school on file
- Record last updated2016 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
158 family medicine physician records list a practice address in Bellingham
They are 158 of the 5,172 NPPES records with a practice address in Bellingham, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Bellingham → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Daniel Austin, MDBellingham, WA 982261366498370
- James Beieler, D.O.Bellingham, WA 982261154377224
- Sue Dabney, MDBellingham, WA 982261538114491
- Kelly Evans, M.D.Bellingham, WA 982261700887338
- Kelly Hoffmann, M.D.Bellingham, WA 982261871584664
- Mark Hoffmann, M.D.Bellingham, WA 982261164413837
- Hui-Ying Lesage, MDBellingham, WA 982261598716144
- Martin Piatt, M.D.Bellingham, WA 982261518956853
Common questions
What is Thomas Arpero Calderon, MD's NPI number?
Thomas Arpero Calderon, MD's National Provider Identifier (NPI) is 1366595654, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Arpero Calderon, MD located?
The NPPES record lists a practice address at 4455 Cordata Pkwy, Bellingham, WA, 98226. Phone: (360) 671-3225. Providers update this record themselves, so call before visiting.
How can I verify Thomas Arpero Calderon, MD's license?
NPPES lists Washington license number MD00036406, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas Arpero Calderon, MD prescribe under Medicare Part D?
In 2024, Thomas Arpero Calderon, MD had 703 Medicare Part D claims for 37 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.