Dr. Stephen P. Rydzak, MD

  • Tyler, TX
  • Internist
NPI1184656555
Medicare services, 2024
58
Medicare patients, 2024
59
Part D claims, 2024
617
Hospital affiliations
1
Industry payments
$2,240
Practice address
800 East Dawson, Tyler, TX 75701
Practice phone
Call (903) 593-8441
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

See all 5 affiliations

Find Dr. Rydzak's professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Dr. Stephen P. Rydzak is an internist in Tyler, Texas

Dr. Rydzak practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health.

Dr. Rydzak's NPI, 1184656555, was assigned on July 7, 2006. Dr. Rydzak graduated from Joe R. & Teresa Lozano Long School of Medicine in 1989. Dr. Rydzak holds Texas license H8370.

NPI and contact details
NPI enumeration date
July 7, 2006
NPI status
Active
Practice phone
(903) 593-8441
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
63
Medical school graduation
1989

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Stephen P. Rydzak practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas

Dr. Rydzak's primary practice is CHRISTUS Mother Frances Hospital - Tyler, at 800 East Dawson, Tyler, TX 75701 in Smith County. The practice phone is (903) 593-8441.

Source: Dmand AI Affiliation Data

Dr. Stephen P. Rydzak is affiliated with 2 sites of care and 3 medical groups

Dr. Rydzak's primary practice is CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health. The medical group on file is UT Health East Texas Physicians. Dmand AI also links Dr. Rydzak to 2 more medical groups and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Rydzak

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Stephen P. Rydzak's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rydzak practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
CHRISTUS Mother Frances Hospital - TylerAvailable with a free account
+1 more site and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Rydzak practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across CHRISTUS Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Stephen P. Rydzak is one of 8,437 internists in Texas

Internal medicine is Dr. Rydzak's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Rydzak is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Rydzak's licenses on file in 2 states: Texas and South Carolina.

Specialties and state licenses

  • Internal medicine, TexasPrimaryLicense H8370 · 1990 to 2026 · taxonomy 207R00000X
  • South Carolina license2021 to 2025

Clinical focus

Dmand AI lists chronic nasal allergies, heart failure and rash among the conditions Dr. Rydzak treats.

Internists near Dr. Rydzak

Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stephen P. Rydzak billed Medicare for 58 services in 2024

CMS data shows 58 Medicare services from Dr. Rydzak across 3 procedure codes in 2024, all of them office visits, for 59 Medicare patients. Medicare paid $3,860 for them. Every service was in an office.

Medicare services, 202458
Medicare patients59
Paid by Medicare$3,860
Procedure codes3

Dr. Rydzak's Medicare services by type, 2022 to 2024

  • 2022
  • 2024
Office and hospital visits
2022: 02024: 58
Lab and pathology
2022: 362024: 0100%

Dr. Rydzak compared with the Texas median for internists, 2024

  • Dr. Rydzak
  • Texas median
Medicare services
58vs 53989% below
Medicare patients
59vs 19069% below
Part D claims
322vs 28911% above

Medians across 7,794 internists in Texas with Dmand AI profiles that report each measure.

Dr. Rydzak's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Rydzak

Need commercial claims for Dr. Rydzak?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rydzak and other internists in Texas.

Book a meeting

Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stephen P. Rydzak treated 59 Medicare patients in 2024, average age 77

CMS counts 59 Medicare patients who saw Dr. Rydzak in 2024. The largest group is 65 to 74, with 24 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.07, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Rydzak's median patient age at 64, with 48% women.

Medicare patients, 202459
Average age77
Average risk score1.07

Dr. Rydzak's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Rydzak's Medicare patients by sex, 2024

  • Women4169%
  • Men1831%

Chronic conditions among Dr. Rydzak's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Ischemic heart disease32%
  5. Diabetes29%
  6. Mood disorders25%
  7. Chronic kidney disease24%
  8. Anxiety22%

Share of Medicare patients with each condition. A patient can have several.

Dr. Rydzak's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women48%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Stephen P. Rydzak wrote 617 Medicare Part D claims in 2024

In 2024, Dr. Rydzak wrote 617 Medicare Part D claims for 176 patients. 94% of them were for generic drugs. CMS names the drug for 322 of them, across 14 drugs with 11 or more claims each, at $9,568 in total drug cost. In 2023, CMS named 77 claims across 5 drugs.

Part D claims, 2024617
Drugs named by CMS14
Total drug cost$9,568
Part D patients176

Dr. Rydzak's Part D claims by kind of drug, 2024

  • Generic581 claims94%
  • Brand-name36 claims6%

Dr. Rydzak's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Rydzak's Part D claims, 2024

  • Opioids32%197 of 617 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 772024: 322318%

Drugs named by CMS: 14 in 2024, 5 in 2023.

See all prescribing by Dr. Rydzak

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

For MedTech and pharma teams

Find internists like Dr. Rydzak by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

Dr. Stephen P. Rydzak received $2,240 in industry payments from 2016 to 2021

CMS Open Payments shows 193 general payments to Dr. Rydzak from 20 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Misonix Inc paid the most, $756.

General payments to Dr. Rydzak by program year, 2016 to 2021

General payments to Dr. Rydzak by kind, 2016 to 2021

$2.2Kin total
  • Food and beverage$2,230100%
  • Education$100%

Companies that paid Dr. Rydzak the most, 2016 to 2021

Share is of all general payments to this clinician.

See all payments to Dr. Rydzak

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stephen P. Rydzak has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Rydzak, most recently Edgar End Memorial Award in 2010.

Awards and honors for Dr. Rydzak

  1. 2010
    • Edgar End Memorial Award
  2. 2006
    • Jefferson Davis Memorial Award

Source: Dmand AI Professional Profile Data

Dr. Stephen P. Rydzak graduated from Joe R. & Teresa Lozano Long School of Medicine

Dr. Rydzak graduated from Joe R. & Teresa Lozano Long School of Medicine in 1989.

  1. Medical schoolJoe R. & Teresa Lozano Long School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in undersea & hyperbaric medicineAmerican Board of Preventive Medicine

Source: Dmand AI Professional Profile Data

Dr. Stephen P. Rydzak accepts plans from 20 insurance carriers

Dr. Rydzak is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Plan types Dr. Rydzak accepts, by number of carriers

  1. PPO13
  2. HMO12
  3. Medicare11
  4. POS5
  5. EPO3

Source: Dmand AI Insurance Network Data

Sources for Dr. Stephen P. Rydzak's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stephen P. Rydzak

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stephen P. Rydzak's NPI number?

Dr. Stephen P. Rydzak's NPI number is 1184656555. It was assigned on July 7, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen P. Rydzak?

Dr. Stephen P. Rydzak is an internist in Tyler, Texas. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Stephen P. Rydzak practice?

Dr. Rydzak practices at 800 East Dawson, Tyler, TX 75701. Dr. Rydzak's primary practice is CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas, part of CHRISTUS Health. Dmand AI also links Dr. Rydzak to 2 medical groups and 1 group practice or clinic.

What is Dr. Stephen P. Rydzak's office phone number?

The practice phone on file for Dr. Rydzak is (903) 593-8441.

What is Dr. Stephen P. Rydzak's medical license number?

Dr. Rydzak holds Texas license H8370, one of the licenses on file in 2 states.

Which states has Dr. Stephen P. Rydzak been licensed in?

Dmand AI has state licenses on file for Dr. Rydzak in Texas (1990 to 2026) and South Carolina (2021 to 2025).

Which hospitals is Dr. Stephen P. Rydzak affiliated with?

Dr. Rydzak practices at CHRISTUS Mother Frances Hospital - Tyler in Tyler, Texas.

What medical group is Dr. Stephen P. Rydzak part of?

Dr. Rydzak is linked to UT Health East Texas Physicians. Dmand AI links Dr. Rydzak to 2 more medical groups.

Does Dr. Stephen P. Rydzak accept Medicare?

Yes. CMS data shows Dr. Rydzak billed Medicare for 58 services in 2024.

How many Medicare patients does Dr. Stephen P. Rydzak see?

CMS counts 59 Medicare patients who saw Dr. Rydzak in 2024, with an average age of 77.

Show 7 more questionsShow fewer questions

Is Dr. Stephen P. Rydzak board certified?

Yes. Dr. Rydzak is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Stephen P. Rydzak bill to Medicare?

In 2024, Dr. Rydzak's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and office visit, established patient (99214).

Where did Dr. Stephen P. Rydzak go to medical school?

Dr. Rydzak graduated from Joe R. & Teresa Lozano Long School of Medicine in 1989.

What drugs does Dr. Stephen P. Rydzak prescribe most?

In 2024 Medicare Part D data, Dr. Rydzak's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Gabapentin and Tizanidine HCl.

Has Dr. Stephen P. Rydzak received payments from drug or device companies?

CMS Open Payments shows $2,240 in general payments to Dr. Rydzak from 20 companies from 2016 to 2021. The largest total came from Misonix Inc.

How long has Dr. Stephen P. Rydzak been practicing?

Dr. Rydzak graduated from medical school in 1989, 37 years ago.

What insurance does Dr. Stephen P. Rydzak accept?

Dr. Rydzak is in network with 20 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 13. Check the plan with the practice before a visit.

Selling to internal medicine practices?

See internists in Texas by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)