Doctor profile · Federal record
Dr. Joy Bloch, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Internal Medicine) Physician · Walnut Creek, CA
- NPI 1740363167
- Accepts Medicare
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1450 Treat Blvd, Suite 120A
Walnut Creek, CA 945972168
(925) 296-9720
fax (925) 296-9032 - Mailing address
-
Dept 34929, P.O. Box 39000
San Francisco, CA 941390001
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- April 2, 2014
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- California #A61796 · California #CA61796
- Medicaid
- CA #00A617960
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740363167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
884
Distinct HCPCS
10
Medicare allowed
$61,888
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 271 | 143 | $97 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 192 | 145 | $85 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 174 | 174 | $41 | |
96372 |
Injection of drug or substance under skin or into muscle | 74 | 14 | $17 | |
G0008 |
Administration of influenza virus vaccine | 48 | 48 | $36 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 47 | 47 | $76 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 18 | $17 | |
81002 |
Urinalysis, manual test | 19 | 14 | $3 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 13 | 13 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 13 | 13 | $36 |
In context: peer comparison
Among 44 peers in this city , average services per provider: 260. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$734
Transactions
34
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 11 | $168.99 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $112.53 | |
| PFIZER INC. | 5 | $90.43 | |
| AstraZeneca Pharmaceuticals LP | 4 | $73.59 | |
| Novartis Pharmaceuticals Corporation | 2 | $56.47 | |
| GlaxoSmithKline, LLC. | 2 | $51.51 | |
| Exact Sciences Corporation | 2 | $51.02 | |
| Janssen Pharmaceuticals, Inc | 2 | $35.49 | |
| Astellas Pharma US Inc | 1 | $30.68 | |
| Novo Nordisk Inc | 1 | $21.78 | |
| Amgen Inc. | 1 | $20.87 | |
| Dynavax Technologies Corporation | 2 | $20.19 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,787
Patients
513
Total drug cost
$25,272
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 293 | 80 | $5,356 |
| Atorvastatin Calcium | Generic | 271 | 76 | $3,192 |
| Rosuvastatin Calcium | Generic | 200 | 64 | $4,438 |
| Amlodipine Besylate | Generic | 163 | 42 | $1,279 |
| Lisinopril | Generic | 136 | 39 | $1,172 |
| Alendronate Sodium | Generic | 112 | 31 | $1,368 |
| Losartan Potassium | Generic | 102 | 27 | $1,466 |
| Gabapentin | Generic | 90 | 27 | $1,324 |
| Famotidine | Generic | 75 | 29 | $1,016 |
| Metoprolol Succinate | Generic | 65 | 18 | $1,209 |
Hospital affiliations
Frequently asked questions
What is Dr. Joy Bloch's medical specialty?
Dr. Joy Bloch practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Joy Bloch practice?
Dr. Joy Bloch practices at 1450 Treat Blvd, Walnut Creek, CA 945972168. Office phone: 9252969720.
What is Dr. Joy Bloch's NPI?
Dr. Joy Bloch's National Provider Identifier (NPI) is 1740363167, issued by NPPES.
Does Dr. Joy Bloch accept Medicare assignment?
Yes. Dr. Joy Bloch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joy Bloch 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 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.