Matthew Rydberg, MD
NPI 1649285446 · Hospitalist Physician · Flagstaff, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Rydberg, MD is a Hospitalist Physician provider in Flagstaff, AZ (NPI 1649285446).
Provider details
- NPI number
- 1649285446
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 26042 (AZ)
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
263 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 | 158 | $93 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $63 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 14 | $68 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 13 | $110 |
Typical Medicare-allowed amounts for these services range $63–$110 (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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 152 | 53 |
| Empagliflozinbrand: Jardiance | 99 | 34 |
| Gabapentin | 91 | 18 |
| Omeprazole | 79 | 22 |
| Lisinopril | 72 | 30 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 63 | 21 |
| Apixaban |
Practice location
Mailing address
Additional practice locations (1)
- 200 West Hospital DriveWhiteriver, AZ 85941Phone: (928) 338-4911Fax: (928) 338-1122
Registry dates
- Enumerated
- 2006-07-30
- Last updated
- 2025-06-19
- Certified
- 2025-06-19
Frequently asked questions
- What is Matthew Rydberg's NPI number?
- Matthew Rydberg's National Provider Identifier (NPI) is 1649285446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Rydberg's specialty?
- Matthew Rydberg is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Rydberg located?
- Matthew Rydberg's practice location on file with NPPES is 1200 N Beaver St, Flagstaff, AZ 86001-3118.
- What is Matthew Rydberg's phone number?
- The practice phone number listed in the NPPES registry for Matthew Rydberg is (928) 214-2920.
- Does Matthew Rydberg accept Medicare?
- Matthew Rydberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Rydberg's NPI active?
- Yes — Matthew Rydberg's NPI (1649285446) is active in the NPPES registry as of the last update on 2025-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.