Physician Profile
Unclaimed ProfileAbout JOHNSON
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Areas of Expertise
Common questions
What kind of doctor is Dr. Johnson?
Dr. Johnson is a gastroenterologist in Chula Vista, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Gastroenterology”.
NPI registry
What is Dr. Johnson's address?
Dr. Johnson is listed at 480 4TH AVE SUITE 506, Chula Vista, CA 91910. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnson?
The number on file is (619) 585-0313. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Johnson's NPI number?
Dr. Johnson's National Provider Identifier is 1861421372. 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
How long has Dr. Johnson been practising?
Dr. Johnson has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Johnson perform?
According to Medicare billing data, Dr. Johnson performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and diagnostic exam of large bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Johnson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnson. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (619) 585-0313
- Email not available
Practice Locations
480 4TH AVE SUITE 506
Chula Vista, CA 91910
Procedures Most Often Billed to Medicare
324 services · 167 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
26 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
215 |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
59 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
12 |
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 gastroenterologists at this location 1
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 gastroenterologists in Chula Vista 6
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 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.