MARY KATHARINE LYTWYN MD
NPI 1336433440
Emergency Medicine in Houston, TX

Q: What is Mary Lytwyn's NPI number?

The NPI number for Mary Lytwyn is 1336433440. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Q: What is Mary Lytwyn's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Mary Lytwyn was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years 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 June 06, 2011PECOS Enrolled

20171 CHASEWOOD PARK DR, HOUSTON, TX 77070(832) 534-6100 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 17, 2018, Nov 16, 2017 (2 updates tracked since 2017).

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About Mary Katharine Lytwyn Md NPPES

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

MARY KATHARINE LYTWYN MD (NPI 1336433440) is an individual emergency medicine provider in Houston, Texas, licensed in Texas (P9132) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and maintains a secondary practice location in Spring.

NPPES Registry Identity

NPI1336433440

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameMARY KATHARINE LYTWYNCredential: MD

Location Address20171 CHASEWOOD PARK DRHouston, TX 77070-1437

Mailing Address7 Tannery Hill RdThe Woodlands, TX 77375-4980 · (956) 472-1238

Phone(832) 534-6100

Sole ProprietorYes

Enumeration DateJune 6, 2011

Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration

✔ NPI 1336433440 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in TX · P9132

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 173193 (NC)

20171 CHASEWOOD PARK DR, Houston, TX 77070

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Secondary Practice Location 1

Location 12255 E Mossy Oaks RdSpring, TX 77389-1811 · Phone (346) 305-5000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary Katharine Lytwyn Md 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.

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.

102 services97 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.

59 services59 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.

36 services36 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.

26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77070 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.

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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.

BETHANY MARY CULVER CRNA

Nurse Anesthetist, Certified Registered