Based in Pasadena, CA, Roy Harper Jackson, M.D. is listed in the NPI registry under internal medicine. Roy graduated from University of Southern California Keck School of Medicine in 1974.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Jackson is an internal medicine in Pasadena, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Dr. Jackson is listed at 65 N MADISON AVE STE 709, Pasadena, CA 91101. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (626) 792-4185. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Jackson's National Provider Identifier is 1669424982. 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
Dr. Jackson attended University of Southern California Keck School of Medicine, graduating in 1974. This comes from the CMS National Downloadable File.
CMS public data
Dr. Jackson has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Jackson performs imaging including complete ultrasound scan of abdomen and complete ultrasound scan of pelvis; provides treatments such as ultrasound of both sides of head and neck blood flow 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
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
Source: NPPES NPI Registry
65 N MADISON AVE STE 709
Pasadena, CA 91101
2,316 services · 1,000 patients · 14 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Complete ultrasound scan of abdomen | Imaging | 76700 |
47 |
| Complete ultrasound scan of pelvis | Imaging | 76856 |
44 |
| Ultrasound of both sides of head and neck blood flow | Treatment | 93880 |
35 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
32 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
31 |
| Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99348 |
425 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
385 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
383 |
| Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | Billing code | G0180 |
347 |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
302 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Clinically related specialties at the same address — the people this provider most likely works alongside.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
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.