Ryen Fons, MD
NPI 1770602120 · Anesthesiology Physician · Greenwood Village, CO
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryen Fons, MD is a Anesthesiology Physician provider in Greenwood Village, CO (NPI 1770602120).
Provider details
- NPI number
- 1770602120
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- DR.0048674 (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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
461 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) |
|---|---|---|
| Continuous Infusion of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve) Through Catheter64448 | 67 | $70 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 52 | $181 |
| Ultrasonic Guidance for Needle Placement76942 | 48 | $29 |
| Other Procedure on Nervous System64999 | 45 | $72 |
| Anesthesia for Extensive Surgery on Spine00670 | 44 | $345 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 44 | $58 |
Practice location
Mailing address
Additional practice locations (1)
- 11650 W 2nd PlLakewood, CO 80228-1527Phone: (720) 321-5160Fax: (720) 321-5161
Registry dates
- Enumerated
- 2007-03-28
- Last updated
- 2024-11-22
- Certified
- 2024-11-22
Frequently asked questions
- What is Ryen Fons's NPI number?
- Ryen Fons's National Provider Identifier (NPI) is 1770602120, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryen Fons's specialty?
- Ryen Fons is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryen Fons located?
- Ryen Fons's practice location on file with NPPES is 8000 E Maplewood Ave Ste 120, Greenwood Village, CO 80111-4766.
- What is Ryen Fons's phone number?
- The practice phone number listed in the NPPES registry for Ryen Fons is (303) 438-3999.
- Does Ryen Fons accept Medicare?
- Ryen Fons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryen Fons's NPI active?
- Yes — Ryen Fons's NPI (1770602120) is active in the NPPES registry as of the last update on 2024-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.