DR. GAYATRI B NAIR
NPI 1992369383
Internal Medicine - Pulmonary Disease in Galveston, TX

Q: What is Gayatri Nair's NPI number?

The NPI number for Gayatri Nair is 1992369383. It was assigned to this individual provider in the NPPES registry on May 1, 2019.

Q: What is Gayatri Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Q: When was this NPI record last updated?

The NPPES record for Gayatri Nair was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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 May 01, 2019PECOS Enrolled

400 HARBORSIDE DRIVE, GALVESTON, TX 77555(409) 772-0750(409) 772-4456 Get Directions Write a Review

NPPES record last updated: June 26, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 26, 2025, Jul 12, 2022, May 1, 2019 (3 updates tracked since 2019).

On this page

About Dr. Gayatri B Nair NPPES

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

DR. GAYATRI B NAIR (NPI 1992369383) is an individual pulmonary disease provider in Galveston, Texas, licensed in Texas (BP10094175) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992369383

Entity TypeIndividualFemale

Primary Taxonomy207RP1001X

Provider Legal NameDR. GAYATRI B NAIR

Location Address400 HARBORSIDE DRIVEGalveston, TX 77555-2113

Mailing Address301 University BlvdGalveston, TX 77555-0561 · (409) 772-0750 · Fax (409) 772-4456

Phone(409) 772-0750

Fax(409) 772-4456

Sole ProprietorNo

Enumeration DateMay 1, 2019

Last NPPES UpdateJune 26, 20253 updates tracked since enumeration

NPPES CertifiedJune 26, 2025

✔ NPI 1992369383 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RP1001X

License✔ Licensed in TX · BP10094175

Definition

An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

400 HARBORSIDE DRIVE, Galveston, TX 77555

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gayatri B Nair is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Gayatri Nair reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medstar Medical Group II LLC

1,208 mi

Critical Care Medicine

3800 RESERVOIR RD NW
Washington, DC 20007

Reassigned Medicare billing, District of Columbia enrollment
3,530 clinicians in this Medicare group

NPI 1205562816 (703) 558-1403

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 7

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.

559 services240 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

145 services143 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.

68 services49 patients

Advance care planning, first 30 minutes 99497

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

68 services33 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

62 services62 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.

46 services46 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 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

$131.16 typical visit price

range $57.19 – $173.07

Typical copayment $32.79 (range $14.29 – $43.26)

Most-billed visit code 99204

Established Patient

$100.90 typical visit price

range $18.45 – $141.36

Typical copayment $25.22 (range $4.61 – $35.34)

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 10

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

MICHAEL YU MD

Pediatrics

400 HARBORSIDE DRIVE, SUITE 201
GALVESTON, TX 77555

Galveston County (409) 974-6053

AAKASH HANS MD

Internal Medicine (Pulmonary Disease)

400 HARBORSIDE DRIVE
GALVESTON, TX 77555

Galveston County (409) 772-0750

HASAN HAMMO MD

Internal Medicine (Cardiovascular Disease)

400 HARBORSIDE DRIVE, PRIMARY CARE PAVILLION (PCP) SUITE 112
GALVESTON, TX 77555

Galveston County (409) 762-2328

PETER M CRAM MD

Internal Medicine

400 HARBORSIDE DRIVE
GALVESTON, TX 77555

Galveston County (409) 747-1883

DR. MUHAMMAD UMER ARIAN MD

Hospitalist

400 HARBORSIDE DRIVE
GALVESTON, TX 77555

Galveston County (409) 772-0750

BILAL AL KALAJI M.D.

Internal Medicine (Critical Care Medicine)

400 HARBORSIDE DRIVE
GALVESTON, TX 77555

Galveston County (409) 772-0750

RICHARD EARL RUPP MD

Pediatrics (Adolescent Medicine)

400 HARBORSIDE DRIVE, SUITE 120
GALVESTON, TX 77555

Galveston County (409) 747-7334

JOSE CARLOS ITURRIZAGA MURRIETA M.D.

Internal Medicine (Advanced Heart Failure and Transplant Cardiology)

400 HARBORSIDE DRIVE, STE 112
GALVESTON, TX 77555

Galveston County (409) 762-2328

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 Gayatri Nair's NPI number?

The NPI number for Gayatri Nair is 1992369383. It was assigned to this individual provider in the NPPES registry on May 1, 2019.

Where is Gayatri Nair located?

Gayatri Nair practices at 400 Harborside Drive, Galveston, TX 77555. The listed phone number is (409) 772-0750.

What is Gayatri Nair's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Gayatri Nair enrolled in Medicare?

Yes. Gayatri Nair is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gayatri Nair's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gayatri Nair reassigns Medicare benefits to Medstar Medical Group II LLC (Washington, DC). The 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 Gayatri Nair's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Gayatri Nair was last updated on June 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.