Ryan Rommel Guanzon, MD
NPI 1417048893 · Internal Medicine Physician · Mount Vernon, WA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Rommel Guanzon, MD is a Internal Medicine Physician provider in Mount Vernon, WA (NPI 1417048893).
Provider details
- NPI number
- 1417048893
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD60091837 (WA)
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 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
1,902 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 484 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 415 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 226 | $65 |
| Annual Alcohol Misuse Screening, 5 to 15 MinutesG0442 | 191 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 179 | $131 |
| Annual Depression Screening, 5 to 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 136 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 449 | 126 |
| Lisinopril | 327 | 89 |
| Amlodipine Besylate | 325 | 84 |
| Levothyroxine Sodium | 285 | 75 |
| Omeprazole | 231 | 67 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 212 | 39 |
Practice location
Mailing address
Additional practice locations (1)
- 1415 E Kincaid StMount Vernon, WA 98274-4126Phone: (360) 428-2592Fax: (360) 428-2560
Registry dates
- Enumerated
- 2006-09-28
- Last updated
- 2024-12-19
- Certified
- 2024-12-19
Frequently asked questions
- What is Ryan Rommel Guanzon's NPI number?
- Ryan Rommel Guanzon's National Provider Identifier (NPI) is 1417048893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Rommel Guanzon's specialty?
- Ryan Rommel Guanzon is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Rommel Guanzon located?
- Ryan Rommel Guanzon's practice location on file with NPPES is 110 N Laventure Rd Ste C, Mount Vernon, WA 98273-3901.
- What is Ryan Rommel Guanzon's phone number?
- The practice phone number listed in the NPPES registry for Ryan Rommel Guanzon is (360) 814-8240.
- Does Ryan Rommel Guanzon accept Medicare?
- Ryan Rommel Guanzon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Rommel Guanzon's NPI active?
- Yes — Ryan Rommel Guanzon's NPI (1417048893) is active in the NPPES registry as of the last update on 2024-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.