Doctor profile · Federal record

Dr. Seema Diddee, MD

Family Medicine Physician (CMS: Family Practice) · Issaquah, WA

  • NPI 1144359209
  • Accepts Medicare
  • MIPS 87.0 / 100 · 2023
  • 33 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1455 11Th Ave Nw
Issaquah, WA 980275319
(425) 391-3900
fax (206) 520-1399
Mailing address
Po Box 50095
Seattle, WA 981455095

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
September 12, 2012
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Washington #MD00044473
Medicaid
WA #1144359209

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144359209. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
615
Distinct HCPCS
9
Medicare allowed
$42,627
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 275 208 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 97 79 $140
99213 Established patient office or other outpatient visit, 20-29 minutes 95 75 $100
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 69 69 $144
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 18 18 $282
G0009 Administration of pneumococcal vaccine 18 18 $34
83036 Hemoglobin a1c level 16 11 $10
G0008 Administration of influenza virus vaccine 14 14 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 13 13 $75

In context: peer comparison

Among 8 peers in this city , average services per provider: 61. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,014
Patients
267
Total drug cost
$14,349
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 199 62 $2,636
Amlodipine Besylate Generic 134 42 $1,144
Levothyroxine Sodium Generic 104 29 $1,943
Lisinopril Generic 93 27 $1,131
Simvastatin Generic 83 27 $1,063
Losartan Potassium Generic 66 20 $1,224
Gabapentin Generic 61 19 $1,151
Metformin Hcl Generic 55 14 $780
Hydrochlorothiazide Generic 48 16 $226
Alendronate Sodium Generic 32 11 $598

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Seema Diddee's medical specialty?
Dr. Seema Diddee practices Family Medicine Physician in Issaquah, WA.
Where does Dr. Seema Diddee practice?
Dr. Seema Diddee practices at 1455 11Th Ave Nw, Issaquah, WA 980275319. Office phone: 4253913900.
What is Dr. Seema Diddee's NPI?
Dr. Seema Diddee's National Provider Identifier (NPI) is 1144359209, issued by NPPES.
Does Dr. Seema Diddee accept Medicare assignment?
Yes. Dr. Seema Diddee accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seema Diddee commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.