Gregory K. Sorensen, MD
Pediatrics Physician · Seattle, WA
Gregory K. Sorensen, MD is a pediatrics physician with a practice address in Seattle, Washington, and NPI 1235200239, issued on Nov 13, 2006. Check the license (Washington MD00017668, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Gregory K. Sorensen
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- MD00017668 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Madison St Ste 800, Seattle, WA 98104
- Phone
- (206) 215-2700
- Enumerated
- Nov 13, 2006
- Record last updated
- Feb 10, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (206) 215-2702
- Medicaid ID
- 8410201 WA
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,753 in Washington → Look up another NPI →
Also registered at 1101 Madison St Ste 800
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gregory K. Sorensen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00017668Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $103.57
1 payment: travel and lodging; the largest payer was GE Healthcare. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Gregory K. Sorensen among 1,753 pediatrics physician records in Washington
Gregory K. Sorensen, MD is one of 1,753 pediatrics physician records with a practice address in Washington. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2009 · 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 208000000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
544 pediatrics physician records list a practice address in Seattle
They are 544 of the 41,956 NPPES records with a practice address in Seattle, and 1,753 pediatrics physician records in Washington.
All 1,753 in Washington → Every provider in Seattle → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Shaquita Bell, MDSeattle, WA 981041043223803
- Gagan Khalsa, MDSeattle, WA 981041164448338
- Todd Koffler, MDSeattle, WA 981041992704654
- Julie Kohl, MDSeattle, WA 981041679652705
- Jessica Lindsay, MDSeattle, WA 981041780799932
- Marie Christine Longo, M.D.Seattle, WA 981041790752913
- Tammy Meehan, MDSeattle, WA 981041992791008
- Jill Render, M.D.Seattle, WA 981041104894849
Common questions
What is Gregory K. Sorensen, MD's NPI number?
Gregory K. Sorensen, MD's National Provider Identifier (NPI) is 1235200239, issued on Nov 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory K. Sorensen, MD located?
The NPPES record lists a practice address at 1101 Madison St Ste 800, Seattle, WA, 98104. Phone: (206) 215-2700. Providers update this record themselves, so call before visiting.
How can I verify Gregory K. Sorensen, MD's license?
NPPES lists Washington license number MD00017668, 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.
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.