DIANA M. GUERRA MD
NPI 1023200623
Internal Medicine - Critical Care Medicine in Sugar Land, TX
About Diana M. Guerra Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA M. GUERRA MD (NPI 1023200623) is an individual critical care medicine provider in Sugar Land, Texas, licensed in Texas (P2864) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and maintains a secondary practice location in College Station.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Diana M. Guerra Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Houston Methodist Hospital
Acute Care Hospitals · Houston, TXHouston Methodist Sugarland Hospital
Acute Care Hospitals · Sugar Land, TXBaylor Scott & White Medical Center- College Stati
Acute Care Hospitals · College Station, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77479 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SUGAR LAND, TX 77479
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Diana Guerra's NPI number?
The NPI number for Diana Guerra is 1023200623. It was assigned to this individual provider in the NPPES registry on August 16, 2007.
Where is Diana Guerra located?
Diana Guerra practices at 16811 Southwest Fwy Ste 300, Sugar Land, TX 77479. The listed phone number is (346) 874-3458.
What is Diana Guerra's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Diana Guerra enrolled in Medicare?
Yes. Diana Guerra is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does Diana Guerra accept?
Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Molina Healthcare and WellPoint list Diana Guerra as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Diana Guerra affiliated with any hospitals?
According to CMS data, Diana Guerra is affiliated with Houston Methodist Hospital, Houston Methodist Sugarland Hospital and Baylor Scott & White Medical Center- College Stati.
When was this NPI record last updated?
The NPPES record for Diana Guerra was last updated on March 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.