Stephen Rydzak, MD
NPI 1184656555 · Internal Medicine Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Rydzak, MD is a Internal Medicine Physician provider in Tyler, TX (NPI 1184656555).
Provider details
- NPI number
- 1184656555
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- H8370 (TX)
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
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
58 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $86 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 12 | $106 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 12 | $121 |
Typical Medicare-allowed amounts for these services range $86–$121 (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 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 118 | 52 |
| Gabapentin | 30 | 20 |
| Tizanidine Hcl | 29 | 16 |
| Metoprolol Succinate | 19 | — |
| Nortriptyline Hcl | 16 | — |
| Amlodipine Besylate | 16 | 14 |
| Buprenorphine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2021-09-03
- Certified
- 2021-09-03
Frequently asked questions
- What is Stephen Rydzak's NPI number?
- Stephen Rydzak's National Provider Identifier (NPI) is 1184656555, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Rydzak's specialty?
- Stephen Rydzak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Rydzak located?
- Stephen Rydzak's practice location on file with NPPES is 1100 S Beckham Ave, Tyler, TX 75701-3301.
- What is Stephen Rydzak's phone number?
- The practice phone number listed in the NPPES registry for Stephen Rydzak is (903) 596-3500.
- Does Stephen Rydzak accept Medicare?
- Stephen Rydzak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Rydzak's NPI active?
- Yes — Stephen Rydzak's NPI (1184656555) is active in the NPPES registry as of the last update on 2021-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.