Doctor profile · Federal record
Dr. Mara Berezniak, D.O.
Family Medicine Physician (CMS: Family Practice) · Penn Valley, CA
- NPI 1770535585
- Accepts Medicare
- 26 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11400 Pleasant Valley RD
Penn Valley, CA 959469001
(530) 432-7023
fax (530) 432-7026 - Mailing address
-
13962 la Barr Pines Dr
Grass Valley, CA 959496317
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 24, 2025
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #20A7940
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770535585. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,882
Distinct HCPCS
10
Medicare allowed
$164,799
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 388 | 257 | $94 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 341 | 219 | $133 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 266 | 266 | $135 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 237 | 237 | $20 | |
G0008 |
Administration of influenza virus vaccine | 94 | 92 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 92 | 90 | $71 | |
96372 |
Injection of drug or substance under skin or into muscle | 82 | 17 | $15 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 76 | 61 | $186 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 72 | 72 | $20 | |
81002 |
Urinalysis, manual test | 67 | 47 | $3 |
In context: peer comparison
Among 1 peers in Penn Valley Family Medicine Physician, average services per provider: 110. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pfizer INC. | 1 | $17.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,092
Patients
862
Total drug cost
$47,085
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 417 | 112 | $9,317 |
| Lisinopril | Generic | 310 | 91 | $3,390 |
| Atorvastatin Calcium | Generic | 303 | 94 | $4,331 |
| Simvastatin | Generic | 240 | 69 | $2,796 |
| Hydrochlorothiazide | Generic | 229 | 63 | $1,206 |
| Alendronate Sodium | Generic | 205 | 52 | $2,071 |
| Losartan Potassium | Generic | 190 | 58 | $3,270 |
| Pravastatin Sodium | Generic | 190 | 56 | $3,398 |
| Amlodipine Besylate | Generic | 187 | 57 | $1,511 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 177 | 41 | $5,029 |
Hospital affiliations
Frequently asked questions
What is Dr. Mara Berezniak's medical specialty?
Dr. Mara Berezniak practices Family Medicine Physician in Penn Valley, CA.
Where does Dr. Mara Berezniak practice?
Dr. Mara Berezniak practices at 11400 Pleasant Valley RD, Penn Valley, CA 959469001. Office phone: 5304327023.
What is Dr. Mara Berezniak's NPI?
Dr. Mara Berezniak's National Provider Identifier (NPI) is 1770535585, issued by NPPES.
Does Dr. Mara Berezniak accept Medicare assignment?
Yes. Dr. Mara Berezniak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mara Berezniak commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.