Doctor profile · Federal record
Dr. William Markoff, M.D.
Family Medicine Physician (CMS: Family Practice) · Santa Rosa, CA
- NPI 1407869167
- Accepts Medicare
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3536 Mendocino Ave Ste 300
Santa Rosa, CA 954033634
(707) 544-3811
fax (707) 544-0128 - Mailing address
-
3536 Mendocino Ave, Ste 200
Santa Rosa, CA 954033634
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 30, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A74621
- Medicaid
- CA #1407869167
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407869167. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,052
Distinct HCPCS
10
Medicare allowed
$261,126
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 1,154 | 588 | $138 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 352 | 352 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 226 | 176 | $97 | |
G0008 |
Administration of influenza virus vaccine | 50 | 50 | $29 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 45 | 45 | $76 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 43 | 43 | $282 | |
G0009 |
Administration of pneumococcal vaccine | 43 | 43 | $29 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 37 | 36 | $16 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 34 | $194 | |
69210 |
Removal of impacted ear wax | 22 | 21 | $52 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 775. This provider delivers 2.6× the peer median.Open Payments
Industry payments received
All-time total
$17
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $17.44 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,151
Patients
1,196
Total drug cost
$73,035
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 659 | 181 | $9,936 |
| Levothyroxine Sodium | Generic | 467 | 132 | $10,595 |
| Metformin Hcl | Generic | 327 | 93 | $4,926 |
| Amlodipine Besylate | Generic | 318 | 85 | $2,978 |
| Lisinopril | Generic | 305 | 85 | $3,023 |
| Losartan Potassium | Generic | 275 | 80 | $4,656 |
| Rosuvastatin Calcium | Generic | 266 | 85 | $7,574 |
| Tamsulosin Hcl | Generic | 263 | 79 | $7,463 |
| Gabapentin | Generic | 249 | 69 | $7,818 |
| Simvastatin | Generic | 248 | 70 | $3,006 |
Frequently asked questions
What is Dr. William Markoff's medical specialty?
Dr. William Markoff practices Family Medicine Physician in Santa Rosa, CA.
Where does Dr. William Markoff practice?
Dr. William Markoff practices at 3536 Mendocino Ave Ste 300, Santa Rosa, CA 954033634. Office phone: 7075443811.
What is Dr. William Markoff's NPI?
Dr. William Markoff's National Provider Identifier (NPI) is 1407869167, issued by NPPES.
Does Dr. William Markoff accept Medicare assignment?
Yes. Dr. William Markoff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Markoff commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.