DR. MELISSA JOY FREI-JONES MD, MSCI
NPI 1316133119
Pediatrics - Pediatric Hematology-Oncology in San Antonio, TX

Active since September 14, 2007PECOS EnrolledAccepts Medicare Assignment
89.92/100
CMS Quality Rating
4502 MEDICAL DR FL 10, SAN ANTONIO, TX 78229(210) 743-2300(210) 702-6012 Get Directions Write a Review

NPPES record last updated: April 10, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Apr 10, 2026, Feb 11, 2022 (2 updates tracked since 2022).

About Dr. Melissa Joy Frei-jones Md, Msci NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MELISSA JOY FREI-JONES MD, MSCI (NPI 1316133119) is an individual pediatric hematology-oncology provider in San Antonio, Texas, licensed in Texas (M9288) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS, is affiliated with University Health System, and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1316133119
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MELISSA JOY FREI-JONESCredential: MD, MSCI
Location Address4502 MEDICAL DR FL 10San Antonio, TX 78229-4402
Mailing Address7703 Floyd Curl Dr # 7810San Antonio, TX 78229-3901 · (210) 567-7477 · Fax (210) 567-7466
Fax(210) 702-6012
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2002
Enumeration DateSeptember 14, 2007
Last NPPES UpdateApril 10, 20262 updates tracked since enumeration
NPPES CertifiedApril 10, 2026
NPI 1316133119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses Licensed in TX · M9288 Licensed in MO · 2005010624
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
4502 MEDICAL DR FL 10, San Antonio, TX 78229

Secondary Practice Location 1

Location 14502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 358-4000 · Fax (210) 358-4775

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

Dr. Melissa Joy Frei-jones Md, Msci 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.

PECOS PAC ID8325111206
PECOS Enrollment IDI20080725000223
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Health System

Acute Care Hospitals · San Antonio, TX
3/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number450213
Location4502 Medical DrSan Antonio, TX 78229 · Bexar County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality79.39
Promoting Interoperability100
Improvement Activities40
Cost62.89

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Pediatrics)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Neurology)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Vascular Neurology)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229
Nurse Practitioner (Family)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Epilepsy)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229
Psychiatry & Neurology (Neurology)
4502 MEDICAL DR FL 10
SAN ANTONIO, TX 78229

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 Melissa Frei-jones's NPI number?

The NPI number for Melissa Frei-jones is 1316133119. It was assigned to this individual provider in the NPPES registry on September 14, 2007.

Where is Melissa Frei-jones located?

Melissa Frei-jones practices at 4502 Medical Dr Fl 10, San Antonio, TX 78229. The listed phone number is (210) 743-2300.

What is Melissa Frei-jones's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Melissa Frei-jones enrolled in Medicare?

Yes. Melissa Frei-jones 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 Melissa Frei-jones accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare and WellPoint list Melissa Frei-jones 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 Melissa Frei-jones affiliated with any hospitals?

According to CMS data, Melissa Frei-jones is affiliated with University Health System.

When was this NPI record last updated?

The NPPES record for Melissa Frei-jones was last updated on April 10, 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.