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NIRMAL S BUAL MD, PA
NPI 1881770576
Internal Medicine - Cardiovascular Disease in Houston, TX

Active since October 27, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
6006 THEALL RD, HOUSTON, TX 77066(281) 206-0134(713) 955-5201 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 14, 2026, May 6, 2024, Jul 7, 2023 and 3 more (6 updates tracked since 2017).

About Nirmal S Bual Md, Pa NPPES

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

NIRMAL S BUAL MD, PA (NPI 1881770576) is an individual cardiovascular disease provider in Houston, Texas, licensed in Texas (G4267) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (1970).

NPPES Registry Identity

NPI1881770576
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameNIRMAL S BUALCredential: MD, PA
Location Address6006 THEALL RDHouston, TX 77066-1403
Mailing AddressPo Box 690646Houston, TX 77269-0646 · (281) 206-0134 · Fax (713) 955-5201
Phone(281) 206-0134
Fax(713) 955-5201
Sole ProprietorYes
Medical School CMSOtherGraduated 1970
Enumeration DateOctober 27, 2006
Last NPPES UpdateJanuary 14, 20266 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1881770576 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in TX · G4267
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedSpecialistTaxonomy 174400000X · License G4267 (TX)
6006 THEALL RD, Houston, TX 77066
Open in Google Maps ↗

Other Identifiers 1

Medicaid080530101TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Imperial Insurance Companies, Inc..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

Nirmal S Bual Md, Pa 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 ID941213672
PECOS Enrollment IDI20090317000305
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 5

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.

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.
3,491 services523 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
3,178 services505 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
396 services382 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
166 services159 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.
49 services35 patients

Hospital Affiliations CMS Care Compare 4

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

Hca Houston Healthcare Kingwood

Acute Care Hospitals · Kingwood, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450775
Location22999 Us Hwy 59Kingwood, TX 77325 · Harris County
Emergency services Birthing friendly

Houston Methodist Willowbrook Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450844
Location18220 State Highway 249Houston, TX 77070 · Harris County
Emergency services Birthing friendly

St Luke's Hospital At The Vintage

Acute Care Hospitals · Houston, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670075
Location20171 Chasewood Park DriveHouston, TX 77070 · Harris County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77066 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
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%600 patients5/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
100%760 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 2

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

JACKQUEL ANESHIA COLLINS
Nurse Practitioner (Family)
6006 THEALL RD
HOUSTON, TX 77066
Harris County (281) 206-0134
NIRMAL S. BUAL, MD, PA
Internal Medicine (Cardiovascular Disease)
6006 THEALL RD
HOUSTON, TX 77066
Harris County (281) 206-0134

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 Nirmal Bual's NPI number?

The NPI number for Nirmal Bual is 1881770576. It was assigned to this individual provider in the NPPES registry on October 27, 2006.

Where is Nirmal Bual located?

Nirmal Bual practices at 6006 Theall Rd, Houston, TX 77066. The listed phone number is (281) 206-0134.

What is Nirmal Bual's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Nirmal Bual enrolled in Medicare?

Yes. Nirmal Bual 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 Nirmal Bual accept?

Health plans from Imperial Insurance Companies, Inc. list Nirmal Bual 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 Nirmal Bual affiliated with any hospitals?

According to CMS data, Nirmal Bual is affiliated with Memorial Hermann - Texas Medical Center, Hca Houston Healthcare Kingwood, Houston Methodist Willowbrook Hospital and St Luke's Hospital At The Vintage.

When was this NPI record last updated?

The NPPES record for Nirmal Bual was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.