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MICHAEL E ZWILLMAN MD
NPI 1740209642
Internal Medicine - Critical Care Medicine in Houston, TX

Active since July 19, 2006PECOS EnrolledAccepts Medicare Assignment
6565 FANNIN ST, B452, HOUSTON, TX 77030(713) 441-3620 Get Directions Write a Review

NPPES record last updated: November 5, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Michael E Zwillman Md NPPES

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

MICHAEL E ZWILLMAN MD (NPI 1740209642) is an individual critical care medicine provider in Houston, Texas, licensed in Texas (M4687) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1740209642
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMICHAEL E ZWILLMANCredential: MD
Location Address6565 FANNIN ST, B452Houston, TX 77030-2703
Mailing Address6565 Fannin St, B452Houston, TX 77030-2703 · (713) 441-3620
Phone(713) 441-3620
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateJuly 19, 2006
Last NPPES UpdateNovember 5, 2014
✔ NPI 1740209642 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in TX · M4687
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
6565 FANNIN ST, Houston, TX 77030
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Other Identifiers 10

Medicaid184277503TX
Medicare PIN8J2091TX
Medicaid184277501TX
Other8W4772TX · Blue Cross Blue Shield
Medicare PIN308502YMVQTX
OtherP01031020TX · Rr Medicare
Medicaid184277502TX
OtherP00371854TX · Railroad Medicare
OtherP01311970TX · Rr Medicare
Medicare PINTXB138485TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Community Health Choice, Molina Healthcare, WellPoint.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

Michael E Zwillman Md 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 ID244232916
PECOS Enrollment IDI20070208000506
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 3

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.

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.
282 services89 patients
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.
19 services18 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Houston Methodist Baytown Hospital

Acute Care Hospitals · Baytown, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450424
Location4401 Garth RoadBaytown, TX 77521 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend 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

Houston Methodist The Woodlands Hospital

Acute Care Hospitals · The Woodlands, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670122
Location17201 Interstate 45 SouthThe Woodlands, TX 77385 · Montgomery County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$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.

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.

SMAROULA DILIOGLOU PHD
Specialist/Technologist, Pathology
6565 FANNIN ST, MS205
HOUSTON, TX 77030
Harris County (713) 394-6450
MS. PRISCILLA DIAZ RN
Registered Nurse
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 441-2030
HOUSTON METHODIST CARDIOVASCULAR ANESTHESIA
Anesthesiology
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 667-6097
LAN ZHOU MD
Pathology (Anatomic Pathology & Clinical Pathology)
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 394-6450
DR. AMANDA WALTON BASFORD M.D.
Internal Medicine (Nephrology)
6565 FANNIN ST, FONDREN 270
HOUSTON, TX 77030
Harris County (713) 441-0006
MRS. AMY REYES MICLAT RN, MS, CCRN, APRN-B
Nurse Practitioner (Acute Care)
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 441-4999
DR. MAHEEN ADAM WARDAK MD
Anesthesiology
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (713) 441-2194
DR. SHUANG LI M.D.
Hospitalist
6565 FANNIN ST
HOUSTON, TX 77030
Harris County (832) 368-9466

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 Michael Zwillman's NPI number?

The NPI number for Michael Zwillman is 1740209642. It was assigned to this individual provider in the NPPES registry on July 19, 2006.

Where is Michael Zwillman located?

Michael Zwillman practices at 6565 Fannin St B452, Houston, TX 77030. The listed phone number is (713) 441-3620.

What is Michael Zwillman's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Michael Zwillman enrolled in Medicare?

Yes. Michael Zwillman 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 Michael Zwillman accept?

Health plans from Community Health Choice, Molina Healthcare and WellPoint list Michael Zwillman 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 Michael Zwillman affiliated with any hospitals?

According to CMS data, Michael Zwillman is affiliated with Houston Methodist Hospital, Houston Methodist Baytown Hospital, Houston Methodist Sugarland Hospital, Houston Methodist Willowbrook Hospital and Houston Methodist The Woodlands Hospital.

When was this NPI record last updated?

The NPPES record for Michael Zwillman was last updated on November 5, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.