Physician Profile
Unclaimed ProfileAbout HARNER
Rex Dell Harner, M.D. is a healthcare provider in Rohnert Park, CA specialising in family practice. Rex trained at University of California, Geffen School of Medicine, graduating in 1973. Rex is also listed as specialising in family medicine.
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
Areas of Expertise
Common questions
What does Dr. Harner specialise in?
Dr. Harner is a family practice in Rohnert Park, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Harner located?
Dr. Harner is listed at 5300 SNYDER LN STE A, Rohnert Park, CA 94928. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Harner's phone number?
The number on file is (707) 585-8347. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Harner?
Dr. Harner's National Provider Identifier is 1528066321. 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
Where did Dr. Harner go to medical school?
Dr. Harner attended University of California, Geffen School of Medicine, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Harner have?
Dr. Harner has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Harner do most often?
According to Medicare billing data, Dr. Harner provides treatments such as influenza vaccine, inactivated and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Harner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Harner. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (707) 585-8347
- Email not available
Practice Locations
5300 SNYDER LN STE A
Rohnert Park, CA 94928
Procedures Most Often Billed to Medicare
852 services · 639 patients · 10 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, inactivated | Treatment | 90653 |
26 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
21 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
18 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
15 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
15 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
401 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
156 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
146 |
| Administration of influenza virus vaccine | Billing code | G0008 |
30 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
24 |
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.
Other family practices at this location 3
Same specialty, same street address — most likely the same department or group.
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 family practices in Rohnert Park 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1973 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, inactivated 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.