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VARUN IYER D.O.
NPI 1467822213
Emergency Medicine in Houston, TX

Active since October 05, 2015PECOS EnrolledAccepts Medicare Assignment
1635 NORTH LOOP ROAD, HOUSTON, TX 77008(713) 867-2000 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2024, May 30, 2019, May 9, 2016 (3 updates tracked since 2016).

About Varun Iyer D.o. NPPES

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

VARUN IYER D.O. (NPI 1467822213) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (S0303) and active in the NPI registry since October 2015. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann Hospital System, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1467822213
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameVARUN IYERCredential: D.O.
Location Address1635 NORTH LOOP ROADHouston, TX 77008-1532
Mailing Address1635 North Loop RoadHouston, TX 77008-1532 · (713) 867-2000
Phone(713) 867-2000
Sole ProprietorNo
Medical School CMSKansas City University Of Med & Biosciences, College Of Osteo MedGraduated 2015
Enumeration DateOctober 5, 2015
Last NPPES UpdateApril 29, 20253 updates tracked since enumeration
NPPES CertifiedApril 29, 2025
✔ NPI 1467822213 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · S0303
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
1635 NORTH LOOP ROAD, Houston, TX 77008
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Secondary Practice Locations 2

Location 1200 N Harvey Ave, Apt 504Oklahoma City, OK 73102-4005 · Phone (310) 926-9491
Location 21515 Holcombe BlvdHouston, TX 77030-4000 · Phone (713) 792-6161

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Varun Iyer D.o. 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 ID3173812674
PECOS Enrollment IDI20190627002800
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Varun Iyer reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorial Hermann Hospital Based Physician Group
7.2 mi
Emergency Medicine
929 GESSNER RD STE 2700
Houston, TX 77024
  • Reassigned Medicare billing, Texas enrollment
  • 408 clinicians in this Medicare group
NPI 1295363497 (713) 242-2712
Physicians Referral Service
7.4 mi
Multi-Specialty
1515 HOLCOMBE BLVD
Houston, TX 77030
  • Reassigned Medicare billing, Texas enrollment
  • 2,675 clinicians in this Medicare group
NPI 1073574810 (713) 792-6161
Emergency Medicine Services Of Tx, PLLC
190 mi
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
NPI 1245938729 (210) 575-4000
Acs Primary Care Physicians Southwest, PA
284 mi
Emergency Medicine
1900 HOSPITAL BLVD
Gainesville, TX 76240
  • Reassigned Medicare billing, Texas enrollment
  • 1,193 clinicians in this Medicare group
NPI 1538101019 (925) 924-1600

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
139 services138 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
85 services84 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
44 services44 patients
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.
38 services37 patients

Hospital Affiliations CMS Care Compare

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

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77008 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
$90.40 typical visit price
range $58.24 – $176.98
Typical copayment $22.60 (range $14.56 – $44.24)
Most-billed visit code 99203
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.

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 Varun Iyer's NPI number?

The NPI number for Varun Iyer is 1467822213. It was assigned to this individual provider in the NPPES registry on October 5, 2015.

Where is Varun Iyer located?

Varun Iyer practices at 1635 North Loop Road, Houston, TX 77008. The listed phone number is (713) 867-2000.

What is Varun Iyer's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Varun Iyer enrolled in Medicare?

Yes. Varun Iyer 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.

Which organizations bill Medicare for Varun Iyer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Varun Iyer reassigns Medicare benefits to 4 organizations: Memorial Hermann Hospital Based Physician Group (Houston, TX), Physicians Referral Service (Houston, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX) and Acs Primary Care Physicians Southwest, PA (Gainesville, TX). Each 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 Varun Iyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Varun Iyer accept?

Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Varun Iyer 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 Varun Iyer affiliated with any hospitals?

According to CMS data, Varun Iyer is affiliated with Memorial Hermann Hospital System.

When was this NPI record last updated?

The NPPES record for Varun Iyer was last updated on April 29, 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.