DIANA LOZANO, MD, PA
NPI 1861530735
Clinic/Center - Primary Care in Harlingen, TX
About Diana Lozano, Md, Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA LOZANO, MD, PA (NPI 1861530735), doing business as Valley Medicine Associates, is a healthcare organization registered as a primary care in Harlingen, Texas and active in the NPI registry since February 2007. The organization lists Diana Lozano, Ceo Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diana Lozano, Md, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
2Medicare enrollment records show 2 clinicians reassign Medicare billing to Diana Lozano, MD, PA, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (2)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Lozano, MD, PA's NPI number?
The NPI number for Diana Lozano, MD, PA is 1861530735. It was assigned to this organization in the NPPES registry on February 2, 2007. The provider was formerly known as Valley Medicine Associates.
Where is Diana Lozano, MD, PA located?
Diana Lozano, MD, PA is located at 5505 S Expressway 77 Suite 203, Harlingen, TX 78550. The listed phone number is (956) 440-2800.
What is Diana Lozano, MD, PA's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Diana Lozano, MD, PA enrolled in Medicare?
Yes. Diana Lozano, MD, PA is registered in the Medicare PECOS enrollment system.
When is Diana Lozano, MD, PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Diana Lozano, MD, PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Diana Lozano, MD, PA, in Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Diana Lozano, MD, PA was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Diana Lozano, Md, Pa · NPI 1861530735
Primary Care organization in Harlingen, Texas. Organization record, active in the CMS NPPES registry since February 2, 2007.
## Identity
- **NPI:** 1861530735 (Entity type: Organization)
- **Enumerated:** February 2, 2007
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Also known as:** Valley Medicine Associates (Former Legal Business Name)
- **Organization subpart:** No
- **Authorized official:** Diana Lozano, CEO OWNER
## Practice location
- **Address:** 5505 S EXPRESSWAY 77, SUITE 203, Harlingen, TX 78550-3214
- **Phone:** (956) 440-2800 · **Fax:** (956) 440-2817
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 2 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Internal Medicine (1), Nurse Practitioner (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 19, 2025
- **Other identifiers:** Medicaid 171535101 (TX); Other 0030PL (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1861530735) · Data from the CMS NPPES public registry.