Doctor profile · Federal record

Dr. Flavia Constantin, MD

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

  • NPI 1942257951
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
911 N 10Th Pl
Renton, WA 980570009
(425) 391-5700
fax (425) 391-5701
Additional location
1412 Sw 43Rd St, Suite 200
Renton, WA 98055
(425) 271-4910
fax (425) 264-1041
Mailing address
Po Box 25608
Salt Lake City, UT 841250608

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
June 29, 2018
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Washington #MD00046155 · Washington #178049719
Medicaid
WA #8456774

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942257951. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
358
Distinct HCPCS
9
Medicare allowed
$36,574
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 130 88 $140
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 61 61 $142
96127 Assessment of emotional or behavioral problems 38 18 $6
83036 Hemoglobin a1c level 36 25 $10
G0008 Administration of influenza virus vaccine 23 22 $34
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 19 18 $75
99213 Established patient office or other outpatient visit, 20-29 minutes 19 18 $100
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 16 16 $280
G0009 Administration of pneumococcal vaccine 16 16 $34

In context: peer comparison

Among 33 peers in Renton Family Medicine Physician, average services per provider: 69. This provider delivers 5.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,547
Patients
479
Total drug cost
$85,651
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 346 101 $4,071
Lisinopril Generic 171 54 $1,862
Levothyroxine Sodium Generic 168 46 $3,031
Losartan Potassium Generic 134 41 $2,096
Amlodipine Besylate Generic 127 39 $922
Metformin Hcl ER (Metformin Hcl) Brand 89 29 $1,690
Metoprolol Succinate Generic 74 24 $1,134
Gabapentin Generic 71 26 $2,073
Alendronate Sodium Generic 59 17 $816
Metformin Hcl Generic 57 18 $771

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Flavia Constantin's medical specialty?
Dr. Flavia Constantin practices Family Medicine Physician in Renton, WA.
Where does Dr. Flavia Constantin practice?
Dr. Flavia Constantin practices at 911 N 10Th Pl, Renton, WA 980570009. Office phone: 4253915700.
What is Dr. Flavia Constantin's NPI?
Dr. Flavia Constantin's National Provider Identifier (NPI) is 1942257951, issued by NPPES.
Does Dr. Flavia Constantin accept Medicare assignment?
Yes. Dr. Flavia Constantin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Flavia Constantin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Assessment of emotional or behavioral problems (HCPCS 96127). Source: CMS Medicare Physician & Other Practitioners file.