DIANA M. GUERRA MD – NPI #1023200623
Internal Medicine

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Health Care Provider Taxonomy Code for Internal Medicine

DIANA GUERRA is a physician located in SUGAR LAND, TX. NPPES has assigned the NPI number 1023200623 to DIANA GUERRA on August 16, 2007. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RC0200X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Critical Care Medicine

The NPI profile was last updated on Mar 12, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for DIANA GUERRA below.

NPI Profile for
DIANA M. GUERRA

NPI Number
1023200623
Enumeration Date

(about 19 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
DIANA M. GUERRA
Credentials
MD
Primary location
16811 SOUTHWEST FWY STE 300
SUGAR LAND, TX 77479-4728
Phone: (346) 874-3458 Fax:
1 Other location(s):
700 Scott and White Dr
College Station, TX 77845-6441
Phone: (979) 207-0100
Fax: (979) 207-2161
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Mar 12, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Identifiers

Identifiers for DIANA GUERRA

Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.

DescriptionIssuerStateIdentifier
otherBLUE CROSS BLUE SHIELDTX8FT835
medicaidTX299091308
Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RC0200X
- Internal Medicine / Critical Care Medicine (Primary)		 TX P2864
207RP1001X
- Internal Medicine / Pulmonary Disease		 TX P2864
207L00000X
- Anesthesiology		 TX P2864

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.

Endpoint

Health Information Exchange (HEI)

HEI is the mobilization of health care information electronically across organizations within a region, community or hospital system. Endpoints provide a simple and secure way for participants to send authenticated, encrypted health information directly to known, trusted recipients over the internet such as primary care physicians, specialists, hospitals, labs, etc.

View All Endpoint(s)
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
700 SCOTT AND WHITE DR,
COLLEGE STATION, TX 77025-1669
Endpoint
[email protected]
Endpoint type
Direct Messaging Address
Endpoint Description
Content Type
Affiliation
N
Endpoint Location
16811 SOUTHWEST FWY STE 300,
SUGAR LAND, TX 77025-1669

Additional Information

Accepts Medicare
This provider accepts Medicare-approved amount as payment in full. The Medicare-approved amount is the total the provider can be paid. When a provider accepts the Medicare-approved amount as payment, you won't be billed for more than the Medicare deductible & coinsureance.
Medicare Ordering & Referring
Provider can:
  • Refer to Part B
  • Order Durable Medical Equipment
  • Refer to Home Health Agency
  • Order Power Mobility Devices
Affiliations
DIANA GUERRA is affiliated with the following medical group(s):
  • HOSPITAL
    • CHI ST LUKE'S HEALTH BAYLOR COLLEGE OF MEDICINE ME
      6720 BERTNER AVE, STE MC1-266
      HOUSTON, TX 77030
    • HOUSTON METHODIST SUGARLAND HOSPITAL
      16655 SOUTHWEST FREEWAY
      SUGAR LAND, TX 77479

Why is my NPI data (personal information) being displayed publicly?
If you have an active NPI profile, your profile is required to be disclosed according to the FOIA and eFOIA. HIPAA also requires covered providers to share their NPI with other providers, health plans, clearinghouses and any entity that may need it for billing purposes.

How do I correct or change the NPI data displayed here?
At any time, providers can make changes to their NPI profile at NPPES. Login to NPPES to make changes online or call (800) 465-3203 for assistance. Changes made at NPPES will be reflected on this web site within a few days.

Can I hide my NPI profile from the public?
Unfortunately, No. The NPPES discloses health care provider data under the Freedom of Information Act to the public, which means anyone may request such information directly from the National Plan & Provider Enumeration System. See the complete CMS Data Dissemination Notice here.