Doctor profile · Federal record
Dr. Mignonette Willkom, MD
Family Medicine Physician (CMS: Family Practice) · Livermore, CA
- NPI 1003883133
- Accepts Medicare
- 39 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1133 E Stanley Blvd Ste 101
Livermore, CA 945504270
(925) 454-4280
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- August 10, 2023
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A53664
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1003883133. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,416
Distinct HCPCS
10
Medicare allowed
$173,816
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 483 | 238 | $107 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 325 | 190 | $150 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 164 | 164 | $153 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 129 | 102 | $209 | |
G0008 |
Administration of influenza virus vaccine | 63 | 62 | $36 | |
90662 |
Influenza vaccine split virus, preservative free | 60 | 59 | $72 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 50 | 48 | $17 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 49 | 28 | $63 | |
G0179 |
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 33 | 15 | $51 | |
G0009 |
Administration of pneumococcal vaccine | 24 | 24 | $36 |
In context: peer comparison
Among 3 peers in Livermore Family Medicine Physician, average services per provider: 91. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Exact Sciences Corporation | 1 | $14.99 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,845
Patients
601
Total drug cost
$27,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 271 | 106 | $4,481 |
| Lisinopril | Generic | 241 | 76 | $2,081 |
| Amlodipine Besylate | Generic | 240 | 80 | $2,540 |
| Levothyroxine Sodium | Generic | 228 | 76 | $4,056 |
| Losartan Potassium | Generic | 124 | 43 | $1,705 |
| Metoprolol Succinate | Generic | 107 | 34 | $2,470 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 93 | 30 | $1,241 |
| Simvastatin | Generic | 92 | 25 | $1,090 |
| Hydrochlorothiazide | Generic | 89 | 28 | $555 |
| Pantoprazole Sodium | Generic | 70 | 22 | $987 |
Hospital affiliations
Frequently asked questions
What is Dr. Mignonette Willkom's medical specialty?
Dr. Mignonette Willkom practices Family Medicine Physician in Livermore, CA.
Where does Dr. Mignonette Willkom practice?
Dr. Mignonette Willkom practices at 1133 E Stanley Blvd Ste 101, Livermore, CA 945504270. Office phone: 9254544280.
What is Dr. Mignonette Willkom's NPI?
Dr. Mignonette Willkom's National Provider Identifier (NPI) is 1003883133, issued by NPPES.
Does Dr. Mignonette Willkom accept Medicare assignment?
Yes. Dr. Mignonette Willkom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mignonette Willkom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.