Provider Profile
Crystal J. Cox, PA
Unclaimed ProfileAbout Crystal Cox
Crystal J. Cox, PA is a physician assistant practicing in Santa Rosa, CA. Crystal trained at Stanford University School of Medicine, graduating in 1990. According to Medicare claims data, Crystal cared for 498 Medicare patients across 501 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and automated urinalysis test.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (707) 521-4495
- Email not available
Practice Locations
3883 AIRWAY DR STE 120
Santa Rosa, CA 95403
Procedures Most Often Billed to Medicare
501 services · 498 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
12 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
203 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
106 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
68 | More often than most peers in Physician Assistant |
| 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 | Lab test | 87637 |
38 | More often than most peers in Physician Assistant |
| Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) | Lab test | 87880 |
31 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 | As often as other peers in Physician Assistant |
| Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | Lab test | 87635 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physician assistants in Santa Rosa 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Stanford University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1990 at Stanford University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax by washing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Crystal J. Cox's specialty?
Crystal J. Cox is a physician assistant in Santa Rosa, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Crystal J. Cox?
Crystal J. Cox is listed at 3883 Airway Dr Ste 120, Santa Rosa, CA 95403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Crystal J. Cox?
The number on file is (707) 521-4495. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Crystal J. Cox's NPI number?
Crystal J. Cox's National Provider Identifier is 1811195100. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Crystal J. Cox's education?
Crystal J. Cox attended Stanford University School of Medicine, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
How long has Crystal J. Cox been practicing?
Crystal J. Cox has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
What is Crystal J. Cox known for?
According to Medicare billing data, Crystal J. Cox performs procedures including removal of impacted ear wax by washing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Crystal J. Cox confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Crystal J. Cox. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.