Doctor profile · Federal record
Dr. John Zopfi, D.O
Surgery Physician (CMS: General Surgery) · Fairfield, CA
- NPI 1275581886
- Accepts Medicare
- 40 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1860 Pennsylvania Ave., #200
Fairfield, CA 94533
(707) 646-4180
fax (707) 646-4185 - Mailing address
-
1860 Pennsylvania Ave, #200
Fairfield, CA 94533
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 10, 2015
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- California #20A5987
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275581886. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
233
Distinct HCPCS
6
Medicare allowed
$34,947
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 76 | 47 | $129 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 51 | 51 | $187 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 35 | 35 | $188 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 30 | 25 | $145 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 15 | $103 | |
99239 |
Hospital discharge day management, more than 30 minutes | 19 | 19 | $126 |
In context: peer comparison
Among 2 peers in Fairfield Surgery Physician, average services per provider: 45. This provider delivers 5.2× the peer median.Open Payments
Industry payments received
All-time total
$371
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Tela Bio, INC. | 1 | $204.51 | |
| GlaxoSmithKline, LLC. | 3 | $90.99 | |
| Baxter Healthcare | 2 | $35.88 | |
| Lsi Solutions INC | 1 | $23.13 | |
| Boston Scientific Corporation | 1 | $16.81 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
45
Patients
43
Total drug cost
$326
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 27 | 25 | $231 |
| Cephalexin | Generic | 18 | 18 | $94 |
Hospital affiliations
Frequently asked questions
What is Dr. John Zopfi's medical specialty?
Dr. John Zopfi practices Surgery Physician in Fairfield, CA.
Where does Dr. John Zopfi practice?
Dr. John Zopfi practices at 1860 Pennsylvania Ave., Fairfield, CA 94533. Office phone: 7076464180.
What is Dr. John Zopfi's NPI?
Dr. John Zopfi's National Provider Identifier (NPI) is 1275581886, issued by NPPES.
Does Dr. John Zopfi accept Medicare assignment?
Yes. Dr. John Zopfi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Zopfi commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); New patient office or other outpatient visit (HCPCS 99204); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.