DR. JEREMY RYAN WALDER DO
NPI 1124524103
Internal Medicine - Critical Care Medicine in Houston, TX

Q: What is Jeremy Walder's NPI number?

The NPI number for Jeremy Walder is 1124524103. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Q: What is Jeremy Walder's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Jeremy Walder was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 30, 2018PECOS EnrolledAccepts Medicare Assignment

6431 FANNIN ST, HOUSTON, TX 77030(713) 500-6500 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 16, 2026, Jun 28, 2024, Apr 8, 2021 and 1 more (4 updates tracked since 2018).

On this page

About Dr. Jeremy Ryan Walder Do NPPES

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

DR. JEREMY RYAN WALDER DO (NPI 1124524103) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (U3687) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1124524103

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameDR. JEREMY RYAN WALDERCredential: DO

Location Address6431 FANNIN STHouston, TX 77030-1501

Mailing Address6431 Fannin StHouston, TX 77030-1501 · (713) 500-6500

Phone(713) 500-6500

Sole ProprietorNo

Medical School CMSOtherGraduated 2018

Enumeration DateMarch 30, 2018

Last NPPES UpdateJanuary 16, 20264 updates tracked since enumeration

NPPES CertifiedJanuary 16, 2026

✔ NPI 1124524103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in TX · U3687

Definition

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.

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License U3687 (TX)

6431 FANNIN ST, Houston, TX 77030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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. Jeremy Ryan Walder Do 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 ID9234486002

PECOS Enrollment IDI20240726002986

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.

Areas of Expertise CMS Part B claims 2

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.

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

79 services30 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

68 services30 patients

Hospital Affiliations CMS Care Compare 3

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Memorial Hermann Hospital System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450184

Location1635 North Loop WestHouston, TX 77008 · Harris County

Emergency services Birthing friendly

Harris Health System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450289

Location2525 Holly HallHouston, TX 77054 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.06 typical visit price

range $58.24 – $176.98

Typical copayment $33.51 (range $14.56 – $44.24)

Most-billed visit code 99204

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

DR. STUART MASON FRASER M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6431 FANNIN ST, MSB 3.151
HOUSTON, TX 77030

Harris County (713) 500-5800

AMY ROSSI MD

Emergency Medicine

6431 FANNIN ST, JJL 431
HOUSTON, TX 77030

Harris County (713) 500-7882

MATTHEW KHOA NGUYEN

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-6113

MARY WAYNE PELTIER MD

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-5010

HANNA MAVRIC DO

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-7882

DR. DAVIDE CATTANO MD

Anesthesiology

6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030

Harris County (713) 500-6235

MICHAEL ANTHONY HOLZMAN

Orthopaedic Surgery

6431 FANNIN ST, SUITE JJL 310
HOUSTON, TX 77030

Harris County (713) 500-5154

SHUBHANGI MEHRA

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-0798

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 Jeremy Walder's NPI number?

The NPI number for Jeremy Walder is 1124524103. It was assigned to this individual provider in the NPPES registry on March 30, 2018.

Where is Jeremy Walder located?

Jeremy Walder practices at 6431 Fannin St, Houston, TX 77030. The listed phone number is (713) 500-6500.

What is Jeremy Walder's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Jeremy Walder enrolled in Medicare?

Yes. Jeremy Walder 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 Jeremy Walder accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Jeremy Walder 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 Jeremy Walder affiliated with any hospitals?

According to CMS data, Jeremy Walder is affiliated with Memorial Hermann - Texas Medical Center, Memorial Hermann Hospital System and Harris Health System.

When was this NPI record last updated?

The NPPES record for Jeremy Walder was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.