Ruth D. Collazo, MD
Internal Medicine Physician · Dallas, TX
Ruth D. Collazo, MD is an internal medicine physician with a practice address in Dallas, Texas, and NPI 1710299334, issued on Jul 12, 2010. Check the license (Texas P7415, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Ruth D. Collazo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- P7415 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8200 Walnut Hill LN Ste 908, Dallas, TX 75231
- Phone
- (214) 345-7999
- Enumerated
- Jul 12, 2010
- Record last updated
- Sep 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (214) 345-7942
- Medicare enrollment
- Enrolled (PECOS I20260116003398); may accept Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 8200 Walnut Hill LN Ste 908
A shared address usually means a shared clinic or building; it does not show who employs whom.
- George Khalil, MDInternal Medicine Physician1649479494
Verify Ruth D. Collazo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license P7415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Ruth D. Collazo among 9,175 internal medicine physician records in Texas
Ruth D. Collazo, MD is one of 9,175 internal 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 not. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 40% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2010 · median 2004 among the 6,088 with a school on file
- Record last updated2013 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
956 internal medicine physician records list a practice address in Dallas
They are 956 of the 36,304 NPPES records with a practice address in Dallas, and 9,175 internal medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 9,175 in Texas → Every provider in Dallas → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Cary, MDDallas, TX 752311548250269
- Melanie Christina, M.D.Dallas, TX 752311003805292
- Gary Goff, M.D.Dallas, TX 752311629050521
- Jacqueline Hubbard, M.D.Dallas, TX 752311972588333
- Mitchell Huebner, MDDallas, TX 752311215938071
- Shamim Khambati, M.D.Dallas, TX 752311073598413
- Chiao Lie, MDDallas, TX 752311487635900
- Susan McKinney, M.D.Dallas, TX 752311194700542
Common questions
What is Ruth D. Collazo, MD's NPI number?
Ruth D. Collazo, MD's National Provider Identifier (NPI) is 1710299334, issued on Jul 12, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ruth D. Collazo, MD located?
The NPPES record lists a practice address at 8200 Walnut Hill LN Ste 908, Dallas, TX, 75231. Phone: (214) 345-7999. Providers update this record themselves, so call before visiting.
How can I verify Ruth D. Collazo, MD's license?
NPPES lists Texas license number P7415, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.