Doctor profile · Federal record
Dr. Eri Joyo, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Vacaville, CA
- NPI 1821529512
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Quality Dr Fl 3
Vacaville, CA 956889494
(707) 624-2670
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- March 20, 2023
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A158584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821529512. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
85
Distinct HCPCS
3
Medicare allowed
$13,305
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 37 | 30 | $120 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 30 | $174 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 13 | 13 | $215 |
In context: peer comparison
Among 7 peers in Vacaville Internal Medicine Physician, average services per provider: 91. This provider delivers 0.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
177
Patients
34
Total drug cost
$143,744
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 46 | 20 | $904 |
| Alendronate Sodium | Generic | 32 | 14 | $561 |
| Tymlos (Abaloparatide) | Brand | 24 | 0 | $64,573 |
| Ozempic (Semaglutide) | Brand | 20 | 0 | $33,359 |
| Methimazole | Generic | 16 | 0 | $147 |
| Humalog Kwikpen U-100 (Insulin Lispro) | Brand | 13 | 0 | $6,593 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 13 | 0 | $287 |
| Teriparatide | Generic | 13 | 0 | $37,321 |
Frequently asked questions
What is Dr. Eri Joyo's medical specialty?
Dr. Eri Joyo practices Internal Medicine Physician in Vacaville, CA.
Where does Dr. Eri Joyo practice?
Dr. Eri Joyo practices at 1 Quality Dr Fl 3, Vacaville, CA 956889494. Office phone: 7076242670.
What is Dr. Eri Joyo's NPI?
Dr. Eri Joyo's National Provider Identifier (NPI) is 1821529512, issued by NPPES.
Does Dr. Eri Joyo accept Medicare assignment?
Yes. Dr. Eri Joyo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Eri Joyo 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 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.