Jonathan Gallen, M.D.
NPI 1023123957 · Anesthesiology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Gallen, M.D. is a Anesthesiology Physician provider in Denver, CO (NPI 1023123957).
Provider details
- NPI number
- 1023123957
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 48208 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
5 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$219 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 1712 W Uintah StColorado Springs, CO 80904-2958Phone: (719) 445-6077Fax: (719) 445-6077
- 1400 Jackson StDenver, CO 80206-2761Phone: (303) 388-4461Fax: (303) 398-1211
- 10350 E Dakota AveDenver, CO 80247-1314Phone: (303) 338-4545
- 8000 E Maplewood AveSte 200Greenwood Village, CO 80111-4727Phone: (303) 438-3999Fax: (720) 439-9500
Registry dates
- Enumerated
- 2006-08-20
- Last updated
- 2023-02-27
- Certified
- 2023-02-27
Frequently asked questions
- What is Jonathan Gallen's NPI number?
- Jonathan Gallen's National Provider Identifier (NPI) is 1023123957, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Gallen's specialty?
- Jonathan Gallen is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Gallen located?
- Jonathan Gallen's practice location on file with NPPES is 3118 Newton St, Denver, CO 80211-3644.
- What is Jonathan Gallen's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Gallen is (720) 923-6165.
- Does Jonathan Gallen accept Medicare?
- Jonathan Gallen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Gallen's NPI active?
- Yes — Jonathan Gallen's NPI (1023123957) is active in the NPPES registry as of the last update on 2023-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.