Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. TIFFANY T OOMMEN DO
NPI 1760001937
Internal Medicine in Bethesda, MD

Active since April 08, 2020PECOS Enrolled
4954 N PALMER RD BLDG 19, BETHESDA, MD 20889(301) 319-2100(301) 319-2119 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2023, Apr 8, 2020 (2 updates tracked since 2020).

About Dr. Tiffany T Oommen Do NPPES

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

DR. TIFFANY T OOMMEN DO (NPI 1760001937) is an individual internal medicine provider in Bethesda, Maryland, licensed in Nebraska (2511) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1760001937
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. TIFFANY T OOMMENCredential: DO
Location Address4954 N PALMER RD BLDG 19Bethesda, MD 20889-5630
Mailing Address4954 N Palmer Rd Bldg 19Bethesda, MD 20889-5630 · (301) 319-2100 · Fax (301) 319-2119
Fax(301) 319-2119
Sole ProprietorNo
Enumeration DateApril 8, 2020
Last NPPES UpdateJune 25, 20262 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
NPI 1760001937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NE · 2511
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4954 N PALMER RD BLDG 19, Bethesda, MD 20889

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Tiffany T Oommen Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20889 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 7

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

Pediatrics
4954 N PALMER RD BLDG 19, MCC, 3RD FLOOR, ROOM 3186
BETHESDA, MD 20889
Physician Assistant (Surgical)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889
Internal Medicine (Rheumatology)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889
Psychiatry & Neurology (Psychiatry)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889
Internal Medicine (Hematology & Oncology)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889
Occupational Therapist (Pediatrics)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889
Pediatrics (Pediatric Hematology-Oncology)
4954 N PALMER RD BLDG 19
BETHESDA, MD 20889

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 Tiffany Oommen's NPI number?

The NPI number for Tiffany Oommen is 1760001937. It was assigned to this individual provider in the NPPES registry on April 8, 2020.

Where is Tiffany Oommen located?

Tiffany Oommen practices at 4954 N Palmer Rd Bldg 19, Bethesda, MD 20889. The listed phone number is (301) 319-2100.

What is Tiffany Oommen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Tiffany Oommen enrolled in Medicare?

Yes. Tiffany Oommen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tiffany Oommen was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 49 days 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.