Dennis Johnson, MD
NPI 1235199803 · Anesthesiology Physician · Grand Junction, CO
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Johnson, MD is a Anesthesiology Physician provider in Grand Junction, CO (NPI 1235199803).
Provider details
- NPI number
- 1235199803
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 43412 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
124 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 48 | $43 |
| Ultrasound of Heart With Probe in Esophagus, With Report93312 | 25 | $103 |
| Anesthesia for Procedure to Assess Heart Electrical Activity00537 | 22 | $428 |
| Insertion of Tube in Pulmonary Artery for Monitoring93503 | 17 | $84 |
| Injection of Local Anesthetic for Abdominal Wall Pain Control on Both Sides Using Imaging Guidance64488 | 12 | $66 |
Typical Medicare-allowed amounts for these services range $43–$428 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-27
- Last updated
- 2007-11-21
Frequently asked questions
- What is Dennis Johnson's NPI number?
- Dennis Johnson's National Provider Identifier (NPI) is 1235199803, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Johnson's specialty?
- Dennis Johnson is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Johnson located?
- Dennis Johnson's practice location on file with NPPES is 2635 N 7th St, Grand Junction, CO 81501-8209.
- What is Dennis Johnson's phone number?
- The practice phone number listed in the NPPES registry for Dennis Johnson is (970) 244-2506.
- Does Dennis Johnson accept Medicare?
- Dennis Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Johnson's NPI active?
- Yes — Dennis Johnson's NPI (1235199803) is active in the NPPES registry as of the last update on 2007-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.