Doctor profile · Federal record
Dr. Catherine Biren, M.D.
Dermatology Physician (CMS: Dermatology) · Specialist · Modesto, CA
- NPI 1124021035
- Accepts Medicare
- MIPS 98.3 / 100 · 2023
- 46 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1324 Nelson Ave, Ste B
Modesto, CA 953505341
(209) 524-9481
fax (209) 524-9486 - Additional location
-
9781 Blue Larkspur Ln Ste 100
Monterey, CA 939406509
(831) 333-9008
fax (831) 333-9010
Credentials & registration
- NPI registered
- May 2005 — 21 yrs on file
- Profile last updated
- March 24, 2023
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207N00000X — NUCC code
- State licenses (2)
- California #G48190 · California #GR0045780
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124021035. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
916
Distinct HCPCS
10
Medicare allowed
$58,409
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
17003 |
Destruction of precancer skin growth, 2-14 growths | 379 | 64 | $8 | |
17000 |
Destruction of precancer skin growth, 1 growth | 100 | 92 | $54 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 100 | 84 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 70 | 63 | $138 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 67 | 67 | $121 | |
11102 |
Biopsy of related skin growth, first growth | 63 | 61 | $109 | |
17110 |
Destruction of skin growth, 1-14 growths | 50 | 45 | $120 | |
11103 |
Biopsy of related skin growth, each additional growth | 32 | 22 | $57 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 22 | 22 | $179 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 17 | 16 | $62 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 171. This provider delivers 5.4× the peer median.Open Payments
Industry payments received
All-time total
$584
Transactions
8
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 2 | $274.65 | |
| GENZYME CORPORATION | 1 | $125.00 | |
| UCB, Inc. | 1 | $98.19 | |
| Novartis Pharmaceuticals Corporation | 1 | $32.68 | |
| Dermavant Sciences, Inc. | 1 | $21.18 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $17.82 | |
| ABBVIE INC. | 1 | $14.11 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
252
Patients
158
Total drug cost
$8,634
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Ketoconazole | Generic | 139 | 87 | $4,076 |
| Triamcinolone Acetonide | Generic | 37 | 33 | $247 |
| Clobetasol Propionate | Generic | 28 | 23 | $2,493 |
| Doxycycline Hyclate | Generic | 22 | 15 | $523 |
| Metronidazole | Generic | 13 | 0 | $1,120 |
| Nystatin | Generic | 13 | 0 | $175 |
Frequently asked questions
What is Dr. Catherine Biren's medical specialty?
Dr. Catherine Biren practices Dermatology Physician in Modesto, CA.
Where does Dr. Catherine Biren practice?
Dr. Catherine Biren practices at 1324 Nelson Ave, Modesto, CA 953505341. Office phone: 2095249481.
What is Dr. Catherine Biren's NPI?
Dr. Catherine Biren's National Provider Identifier (NPI) is 1124021035, issued by NPPES.
Does Dr. Catherine Biren accept Medicare assignment?
Yes. Dr. Catherine Biren accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Biren commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Destruction of precancer skin growth, 1 growth (HCPCS 17000); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.