SOWMYA MARIAM JOHN PA-C
NPI 1710254743
Physician Assistant - Surgical in Houston, TX

Active since November 18, 2011PECOS EnrolledAccepts Medicare Assignment
1502 TAUB LOOP, HOUSTON, TX 77030(713) 873-8890 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 13, 2025, Jun 25, 2024, Dec 5, 2023 and 1 more (4 updates tracked since 2023).

About Sowmya Mariam John Pa-c NPPES

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

SOWMYA MARIAM JOHN PA-C (NPI 1710254743) is an individual surgical provider in Houston, Texas, licensed in Oregon (PA213049) and active in the NPI registry since November 2011. She is enrolled in Medicare PECOS, is affiliated with Legacy Good Samaritan Medical Center, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1710254743
Entity TypeIndividualFemale
Primary Taxonomy363AS0400X
Provider Legal NameSOWMYA MARIAM JOHNCredential: PA-C
Location Address1502 TAUB LOOPHouston, TX 77030-1608
Mailing Address1977 Butler Blvd Ste E5.200Houston, TX 77030-4101 · (713) 873-2000 · Fax (713) 798-5841
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateNovember 18, 2011
Last NPPES UpdateNovember 13, 20254 updates tracked since enumeration
NPPES CertifiedNovember 13, 2025
NPI 1710254743 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPhysician Assistant · SurgicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AS0400X
License Licensed in OR · PA213049
Also ListedPhysician AssistantTaxonomy 363A00000X
1502 TAUB LOOP, Houston, TX 77030

Other Names 1

Former Name (1)Sowmya Mariam Oommen Pa-c

Other Identifiers 2

Medicaid2257109WA
Medicaid500825015OR

Accepted 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

Sowmya Mariam John Pa-c 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 ID8426219874
PECOS Enrollment IDI20120412000236
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 6

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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
93 services71 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
92 services92 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
47 services37 patients
Diagnostic exam of nasal passages using an endoscope 31231
A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.
14 services14 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
14 services14 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
12 services12 patients

Hospital Affiliations CMS Care Compare 2

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

Legacy Good Samaritan Medical Center

Acute Care Hospitals · Portland, OR
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380017
Location1015 NW 22nd Avenue, W121Portland, OR 97210 · Multnomah 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

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.

Psychiatry & Neurology (Psychiatry)
1502 TAUB LOOP, 2ND FLOOR- ROOM 2.216
HOUSTON, TX 77030
Counselor (Professional)
1502 TAUB LOOP
HOUSTON, TX 77030
Pharmacy (Institutional Pharmacy)
1502 TAUB LOOP
HOUSTON, TX 77030
Psychiatry & Neurology (Psychiatry)
1502 TAUB LOOP
HOUSTON, TX 77030
Psychiatry & Neurology (Psychiatry)
1502 TAUB LOOP, NEURO PSYCHIATRIC CENTER
HOUSTON, TX 77030
Psychologist
1502 TAUB LOOP, 2ND FLOOR
HOUSTON, TX 77030
Psychiatry & Neurology (Psychiatry)
1502 TAUB LOOP, 2ND FLOOR
HOUSTON, TX 77030
Psychiatry & Neurology (Psychiatry)
1502 TAUB LOOP
HOUSTON, TX 77030

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 Sowmya John's NPI number?

The NPI number for Sowmya John is 1710254743. It was assigned to this individual provider in the NPPES registry on November 18, 2011. The provider is also known as Sowmya Mariam Oommen Pa-C.

Where is Sowmya John located?

Sowmya John practices at 1502 Taub Loop, Houston, TX 77030. The listed phone number is (713) 873-8890.

What is Sowmya John's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Surgical, with taxonomy code 363AS0400X.

Is Sowmya John enrolled in Medicare?

Yes. Sowmya John 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 Sowmya John accept?

Health plans from BridgeSpan Health Company, Community Health Choice, Moda Health Plan, Inc., Molina Healthcare and Providence Health Plan and 1 other insurer list Sowmya John 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 Sowmya John affiliated with any hospitals?

According to CMS data, Sowmya John is affiliated with Legacy Good Samaritan Medical Center and Harris Health System.

When was this NPI record last updated?

The NPPES record for Sowmya John was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.