Doctor profile · Federal record
Dr. Cynthia Dumler, M.D.
Family Medicine Physician · Lake Oswego, OR
- NPI 1851342489
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4309 Oakridge RD
Lake Oswego, OR 970353418
(503) 636-9687
fax (503) 636-9680
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 23, 2011
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Oregon #MD23827
- Medicaid
- OR #08626-4
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851342489. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
146
Distinct HCPCS
3
Medicare allowed
$15,348
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 94 | 89 | $98 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 28 | 27 | $98 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 24 | 24 | $143 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 64. This provider delivers 2.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,886
Patients
799
Total drug cost
$24,492
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 256 | 104 | $2,044 |
| Atorvastatin Calcium | Generic | 247 | 101 | $3,486 |
| Levothyroxine Sodium | Generic | 223 | 102 | $4,038 |
| Losartan Potassium | Generic | 199 | 81 | $3,047 |
| Lisinopril | Generic | 178 | 73 | $1,713 |
| Sertraline Hcl | Generic | 122 | 46 | $1,268 |
| Pravastatin Sodium | Generic | 105 | 43 | $2,269 |
| Simvastatin | Generic | 90 | 41 | $1,081 |
| Metoprolol Succinate | Generic | 78 | 30 | $1,092 |
| Hydrochlorothiazide | Generic | 76 | 37 | $297 |
Frequently asked questions
What is Dr. Cynthia Dumler's medical specialty?
Dr. Cynthia Dumler practices Family Medicine Physician in Lake Oswego, OR.
Where does Dr. Cynthia Dumler practice?
Dr. Cynthia Dumler practices at 4309 Oakridge RD, Lake Oswego, OR 970353418. Office phone: 5036369687.
What is Dr. Cynthia Dumler's NPI?
Dr. Cynthia Dumler's National Provider Identifier (NPI) is 1851342489, issued by NPPES.
What procedures does Dr. Cynthia Dumler commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.