NPPES file of Aug 9, 2026

Michelle Catherine Gail Signs, DO

Internal Medicine Physician · Deer Park, WA

Michelle Catherine Gail Signs, DO is an internal medicine physician with a practice address in Deer Park, Washington, and NPI 1821381336, issued on May 17, 2011. Check the license (Washington OP60950816, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821381336
Name
Michelle Catherine Gail Signs
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
OP60950816 WA
02004138A IN
Self-reported in NPPES; status is on the state search
Practice location
401 S Main St, Deer Park, WA 99006
Phone
(509) 444-8200
Enumerated
May 17, 2011
Record last updated
Feb 4, 2026
Fax
(509) 444-0392
Medicare enrollment
Enrolled (PECOS I20190726001721); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 401 S Main St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Marlena Benson-Kelsey, NP-CFamily Nurse Practitioner1164188587
  2. Joshua Bruns, LPC, LMHCMental Health Counselor1063047751
  3. Leonard Campbell, RNRegistered Nurse1992426886
  4. Julie Christiansen, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881020246
  5. Amelia Deboer, PHARMDPharmacist1538569892
  6. Jeremy Deerheim, MSWSocial Worker1710454541

Verify Michelle Catherine Gail Signs in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP60950816
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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81% fewer Medicare Part D claims than the average internal medicine physician in 2024

599 Medicare Part D claims for 96 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 26 claims were for opioids.

  1. Michelle Signs599
  2. Specialty average3,176

Most prescribed

  1. Metformin Hcl22 claims
  2. Lisinopril19 claims
  3. Levothyroxine Sodium18 claims
  4. Sertraline Hcl15 claims
  5. Atorvastatin Calcium14 claims
  6. Gabapentin14 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 2 group practices

  1. Community Health Association OF SpokaneDeer Park, WA
  2. Multicare Health SystemSpokane Valley, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michelle Catherine Gail Signs among 3,079 internal medicine physician records in Washington

Michelle Catherine Gail Signs, DO 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 2011, is newer than 65% of them.

  • NPI issued2011 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2011 · median 2006 among the 1,852 with a school on file
  • Record last updated2026 · 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).

2 internal medicine physician records list a practice address in Deer Park

They are 2 of the 147 NPPES records with a practice address in Deer Park, and 3,079 internal medicine physician records in Washington.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lora Jasman, M.D.Deer Park, WA 990061821197740
  2. Mai Pham, D.OFairchild Air Force Base, WA 990111053551499
  3. Serban Ionescu, MDMedical Lake, WA 990221992771406
  4. Aaron Anderson, D.O.Toppenish, WA 989481003057381
  5. Vlastimil CalayanToppenish, WA 989481073757118
  6. Kathleen Davis, M.D.Toppenish, WA 989481205042108
  7. Mark FarleyToppenish, WA 989481164518353
  8. Stephanie HansenToppenish, WA 989481649229931

Common questions

What is Michelle Catherine Gail Signs, DO's NPI number?

Michelle Catherine Gail Signs, DO's National Provider Identifier (NPI) is 1821381336, issued on May 17, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Michelle Catherine Gail Signs, DO located?

The NPPES record lists a practice address at 401 S Main St, Deer Park, WA, 99006. Phone: (509) 444-8200. Providers update this record themselves, so call before visiting.

How can I verify Michelle Catherine Gail Signs, DO's license?

NPPES lists Washington license number OP60950816, 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 Michelle Catherine Gail Signs, DO prescribe under Medicare Part D?

In 2024, Michelle Catherine Gail Signs, DO had 599 Medicare Part D claims for 96 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.