Physician Profile
Unclaimed ProfileAbout JACKSON
John Calvin Jackson, MD is a healthcare provider in Grass Valley, CA specialising in family practice. John trained at University of California, Irvine, California College of Medicine, graduating in 1977. John 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. Jackson specialise in?
Dr. Jackson is a family practice in Grass Valley, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where is Dr. Jackson located?
Dr. Jackson is listed at 10565 BRUNSWICK RD STE 1, Grass Valley, CA 95945. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Jackson's phone number?
The number on file is (530) 272-0501. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Jackson's NPI number?
Dr. Jackson's National Provider Identifier is 1487689840. 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. Jackson go to medical school?
Dr. Jackson attended University of California, Irvine, California College of Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Jackson been practising?
Dr. Jackson has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Jackson do most often?
According to Medicare billing data, Dr. Jackson performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle 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
Has Dr. Jackson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Jackson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (530) 272-0501
- Email not available
Practice Locations
10565 BRUNSWICK RD STE 1
Grass Valley, CA 95945
Procedures Most Often Billed to Medicare
1,085 services · 722 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
13 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
52 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
38 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
447 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
145 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
135 |
| Testing for presence of drug, read by direct observation | Lab test | 80305 |
51 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
49 |
| Telephone medical discussion with physician, 11-20 minutes | Office visit | 99442 |
40 |
| Automated urinalysis test | Lab test | 81003 |
38 |
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.
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 Grass Valley 8
Same specialty, same city.
Trained at University of California, Irvine, California College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1977 at University of California, Irvine, California College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 7
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.