Jhoanna M. Santos, MD
Internal Medicine Physician · Mount Vernon, WA
Jhoanna M. Santos, MD is an internal medicine physician with a practice address in Mount Vernon, Washington, and NPI 1902017239, issued on May 25, 2007. Check the license (Washington MD00047840, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jhoanna M. Santos
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00047840 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1400 E. Kincaid St., Mount Vernon, WA 98274
- Phone
- (360) 428-2592
- Enumerated
- May 25, 2007
- Record last updated
- Oct 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (360) 428-2560
- Medicare enrollment
- Enrolled (PECOS I20070824000365); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1400 E. Kincaid St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jhoanna M. Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00047840Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,881 Medicare Part D claims for 413 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 339 claims were for opioids.
Most prescribed
- Atorvastatin Calcium452 claims
- Losartan Potassium445 claims
- Levothyroxine Sodium368 claims
- Omeprazole240 claims
- Lisinopril201 claims
- Amlodipine Besylate186 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 3 group practices
- Public Hospital Dist NO 1 SkagitMount Vernon, WA
- Select Outpatient Services IncGlenview, IL
- Select Rehabilitation, LLCGlenview, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jhoanna M. Santos among 3,079 internal medicine physician records in Washington
Jhoanna M. Santos, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% 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 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2001 · median 2006 among the 1,852 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
33 internal medicine physician records list a practice address in Mount Vernon
They are 33 of the 1,500 NPPES records with a practice address in Mount Vernon, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Mount Vernon → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sandeep Bal, MDMount Vernon, WA 982741386819449
- Thomas Carr, MDMount Vernon, WA 982741548271091
- Nancy Chaffee, M.D.Mount Vernon, WA 982741467604231
- Dmitry Feldman, DOMount Vernon, WA 982741629247689
- Thomas George, M.D.Mount Vernon, WA 982741952361727
- David Hoeft, MDMount Vernon, WA 982741164489076
- Dorien McAbee, DOMount Vernon, WA 982741417185802
- Deborah North, MDMount Vernon, WA 982741588628747
Common questions
What is Jhoanna M. Santos, MD's NPI number?
Jhoanna M. Santos, MD's National Provider Identifier (NPI) is 1902017239, issued on May 25, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Jhoanna M. Santos, MD located?
The NPPES record lists a practice address at 1400 E. Kincaid St., Mount Vernon, WA, 98274. Phone: (360) 428-2592. Providers update this record themselves, so call before visiting.
How can I verify Jhoanna M. Santos, MD's license?
NPPES lists Washington license number MD00047840, 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 Jhoanna M. Santos, MD prescribe under Medicare Part D?
In 2024, Jhoanna M. Santos, MD had 6,881 Medicare Part D claims for 413 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.