Doctor profile · Federal record
Dr. Crystal Cox, PA
Physician Assistant · Santa Rosa, CA
- NPI 1811195100
- Accepts Medicare
- 36 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3883 Airway Dr Ste 120
Santa Rosa, CA 954031678
(707) 521-4495
fax (707) 573-5421 - Mailing address
-
325 Distel Cir
Los Altos, CA 940221408
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- August 5, 2022
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #12696
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1811195100. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
457
Distinct HCPCS
9
Medicare allowed
$36,062
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 145 | 143 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 142 | 141 | $120 | |
81003 |
Automated urinalysis test | 57 | 55 | $2 | |
87880 |
Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | 26 | 26 | $16 | |
87637 |
Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus | 21 | 21 | $140 | |
87635 |
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 20 | 19 | $50 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 17 | 17 | $105 | |
87804 |
Detection test by immunoassay with direct visual observation for influenza virus | 15 | 15 | $16 | |
96372 |
Injection of drug or substance under skin or into muscle | 14 | 14 | $14 |
In context: peer comparison
Among 8 peers in Santa Rosa Physician Assistant, average services per provider: 141. This provider delivers 3.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
146
Patients
141
Total drug cost
$1,720
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 22 | 22 | $134 |
| Doxycycline Hyclate | Generic | 22 | 22 | $331 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 19 | 17 | $552 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 18 | $152 |
| Mupirocin | Generic | 18 | 17 | $225 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 18 | 18 | $109 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 16 | 16 | $157 |
| Azithromycin | Generic | 12 | 11 | $60 |
Frequently asked questions
What is Dr. Crystal Cox's medical specialty?
Dr. Crystal Cox practices Physician Assistant in Santa Rosa, CA.
Where does Dr. Crystal Cox practice?
Dr. Crystal Cox practices at 3883 Airway Dr Ste 120, Santa Rosa, CA 954031678. Office phone: 7075214495.
What is Dr. Crystal Cox's NPI?
Dr. Crystal Cox's National Provider Identifier (NPI) is 1811195100, issued by NPPES.
Does Dr. Crystal Cox accept Medicare assignment?
Yes. Dr. Crystal Cox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Crystal Cox 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); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.