Doctor profile · Federal record
Dr. Walter Zaks, M. D.
Family Medicine Physician (CMS: Family Practice) · Benicia, CA
- NPI 1316906704
- Accepts Medicare
- 51 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1440 Military W, Suite 101
Benicia, CA 945102451
(707) 745-0711
fax (707) 745-0788
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- May 19, 2025
- Year of graduation
- 1975 — 51 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G34777
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316906704. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,309
Distinct HCPCS
10
Medicare allowed
$157,614
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 422 | 198 | $141 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 330 | 149 | $199 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 123 | 123 | $22 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 114 | 114 | $145 | |
90662 |
Influenza vaccine split virus, preservative free | 48 | 48 | $72 | |
G0008 |
Administration of influenza virus vaccine | 48 | 48 | $34 | |
17000 |
Destruction of precancer skin growth, 1 growth | 45 | 34 | $76 | |
17003 |
Destruction of precancer skin growth, 2-14 growths | 45 | 32 | $8 | |
G0446 |
Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes | 41 | 41 | $28 | |
81002 |
Urinalysis, manual test | 24 | 17 | $3 |
In context: peer comparison
Among 2 peers in Benicia Family Medicine Physician, average services per provider: 96. This provider delivers 14× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,276
Patients
381
Total drug cost
$21,154
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 336 | 97 | $4,323 |
| Amlodipine Besylate | Generic | 116 | 33 | $902 |
| Tamsulosin Hcl | Generic | 95 | 36 | $2,242 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 83 | 25 | $938 |
| Escitalopram Oxalate | Generic | 78 | 17 | $1,323 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 78 | 14 | $1,421 |
| Rosuvastatin Calcium | Generic | 64 | 21 | $872 |
| Levothyroxine Sodium | Generic | 62 | 20 | $1,384 |
| Valsartan-Hydrochlorothiazide (Valsartan/Hydrochlorothiazide) | Brand | 61 | 17 | $3,873 |
| Atenolol | Generic | 59 | 18 | $495 |
Hospital affiliations
Frequently asked questions
What is Dr. Walter Zaks's medical specialty?
Dr. Walter Zaks practices Family Medicine Physician in Benicia, CA.
Where does Dr. Walter Zaks practice?
Dr. Walter Zaks practices at 1440 Military W, Benicia, CA 945102451. Office phone: 7077450711.
What is Dr. Walter Zaks's NPI?
Dr. Walter Zaks's National Provider Identifier (NPI) is 1316906704, issued by NPPES.
Does Dr. Walter Zaks accept Medicare assignment?
Yes. Dr. Walter Zaks accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Walter Zaks 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); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.