Richard David Greczanik, D.O.
Family Medicine Physician · Tyler, TX
Richard David Greczanik, D.O. is a family medicine physician with a practice address in Tyler, Texas, and NPI 1689823429, issued on Sep 17, 2008. Check the license (Texas R1957, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Richard David Greczanik
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- R1957 TX
34.009584 OH
58.001880 OH
Self-reported in NPPES; status is on the state search - Practice location
- 3593 E Grande Blvd, Tyler, TX 75707
- Phone
- (903) 839-2585
- Enumerated
- Sep 17, 2008
- Record last updated
- Nov 19, 2025
- Medicaid IDs
- 370175701 TX
370175702 TX - Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 3593 E Grande Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jill Campbell, MS, RD, LD, CDERegistered Dietitian1225776495
- Andrea Glaser, MDPediatric Gastroenterology Physician1659626802
- Doug Hodde, MDFamily Medicine Physician1710947957
- Anthony Lee, APRN, FNP-CFamily Nurse Practitioner1063169688
- Andrew O'Kelley, D.O.Family Medicine Physician1073907069
- Ryan Ratliff, MDObesity Medicine (Family Medicine) Physician1164046280
Verify Richard David Greczanik in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R1957Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% more Medicare Part D claims than the average family medicine physician in 2024
6,133 Medicare Part D claims for 446 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 359 claims were for opioids.
Most prescribed
- Atorvastatin Calcium206 claims
- Gabapentin177 claims
- Levothyroxine Sodium173 claims
- Hydrocodone-Acetaminophen168 claims
- Amlodipine Besylate162 claims
- Losartan Potassium155 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $48.45
3 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Richard David Greczanik among 11,119 family medicine physician records in Texas
Richard David Greczanik, D.O. is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
119 family medicine physician records list a practice address in Tyler
They are 119 of the 5,531 NPPES records with a practice address in Tyler, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Tyler → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- James Gray, M.D.Tyler, TX 757071023412988
- Doug Hodde, MDTyler, TX 757071710947957
- Eric La Voy, M.D.Tyler, TX 757071508120239
- Andrew O'Kelley, D.O.Tyler, TX 757071073907069
- Stephanie Tyo, MDTyler, TX 757071417277435
- Nirmala Bangalore, MDTyler, TX 757081669498689
- Urszula Bedkowska, MDTyler, TX 757081649268954
- Michele Bosworth, MDTyler, TX 757081043275563
Common questions
What is Richard David Greczanik, D.O.'s NPI number?
Richard David Greczanik, D.O.'s National Provider Identifier (NPI) is 1689823429, issued on Sep 17, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Richard David Greczanik, D.O. located?
The NPPES record lists a practice address at 3593 E Grande Blvd, Tyler, TX, 75707. Phone: (903) 839-2585. Providers update this record themselves, so call before visiting.
How can I verify Richard David Greczanik, D.O.'s license?
NPPES lists Texas license number R1957, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Richard David Greczanik, D.O. prescribe under Medicare Part D?
In 2024, Richard David Greczanik, D.O. had 6,133 Medicare Part D claims for 446 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.