Seema Diddee, MD
Family Medicine Physician · Issaquah, WA
Seema Diddee, MD is a family medicine physician with a practice address in Issaquah, Washington, and NPI 1144359209, issued on Mar 5, 2007. Check the license (Washington MD00044473, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Seema Diddee
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD00044473 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1455 11TH Ave NW, Issaquah, WA 98027
- Phone
- (425) 391-3900
- Enumerated
- Mar 5, 2007
- Record last updated
- Sep 12, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (206) 520-1399
- Medicaid ID
- 1144359209 WA
- Medicare enrollment
- Enrolled (PECOS I20050411000214); accepts Medicare assignment
- 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 1455 11TH Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yunyu Cao, MDInternal Medicine Physician1417091802
- Tadd Hsie, MDFamily Medicine Physician1083895346
- Amy Ly, ARNPFamily Nurse Practitioner1770954653
Verify Seema Diddee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00044473Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average family medicine physician in 2024
1,890 Medicare Part D claims for 196 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium210 claims
- Amlodipine Besylate137 claims
- Lisinopril112 claims
- Levothyroxine Sodium90 claims
- Simvastatin80 claims
- Metformin Hcl70 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.
The MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seema Diddee among 5,534 family medicine physician records in Washington
Seema Diddee, 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
- Graduated1993 · median 2009 among the 3,294 with a school on file
- Record last updated2012 · 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).
38 family medicine physician records list a practice address in Issaquah
They are 38 of the 1,727 NPPES records with a practice address in Issaquah, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Issaquah → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Sandi AndersonIssaquah, WA 980271790864452
- Jerome Bushnell, MDIssaquah, WA 980271033149307
- Johnette Crawford, MDIssaquah, WA 980271780746560
- Reinier Dejong Vancoevorden, M.D.Issaquah, WA 980271760490692
- Maurice Doerfler, MDIssaquah, WA 980271659335255
- Leslie Garland, M.D.Issaquah, WA 980271497788004
- Benedict Garry, MDIssaquah, WA 980271710961834
- William Kirshner, MDIssaquah, WA 980271376567511
Common questions
What is Seema Diddee, MD's NPI number?
Seema Diddee, MD's National Provider Identifier (NPI) is 1144359209, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Seema Diddee, MD located?
The NPPES record lists a practice address at 1455 11TH Ave NW, Issaquah, WA, 98027. Phone: (425) 391-3900. Providers update this record themselves, so call before visiting.
How can I verify Seema Diddee, MD's license?
NPPES lists Washington license number MD00044473, 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 Seema Diddee, MD prescribe under Medicare Part D?
In 2024, Seema Diddee, MD had 1,890 Medicare Part D claims for 196 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Seema Diddee, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.