TWYLLA TASSAVA MD
NPI 1336157700
Internal Medicine in Ypsilanti, MI

Active since August 03, 2006PECOS EnrolledAccepts Medicare Assignment
5333 MCAULEY DR, YPSILANTI, MI 48197(734) 712-3980 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Twylla Tassava Md NPPES

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

TWYLLA TASSAVA MD (NPI 1336157700) is an individual internal medicine provider in Ypsilanti, Michigan, licensed in Michigan (TT068639) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Trinity Health Ann Arbor Hospital, and is a graduate of Johns Hopkins University School Of Medicine (1996).

NPPES Registry Identity

NPI1336157700
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameTWYLLA TASSAVACredential: MD
Location Address5333 MCAULEY DRYpsilanti, MI 48197-1014
Mailing Address3534 Eastbrook StAnn Arbor, MI 48105-9507
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 1996
Enumeration DateAugust 3, 2006
Last NPPES UpdateJuly 8, 2007
NPI 1336157700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in MI · TT068639
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.

5333 MCAULEY DR, Ypsilanti, MI 48197

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

Twylla Tassava 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 ID7911982897
PECOS Enrollment IDI20040713000025
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
151 services85 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.
82 services49 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
45 services45 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.
41 services40 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.
15 services15 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.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Trinity Health Ann Arbor Hospital

Acute Care Hospitals · Ann Arbor, MI
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number230156
Location5301 E Huron River DrAnn Arbor, MI 48106 · Washtenaw County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48197 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
$134.28 typical visit price
range $58.04 – $177.36
Typical copayment $33.57 (range $14.51 – $44.34)
Most-billed visit code 99204
Established Patient
$102.35 typical visit price
range $18.32 – $143.49
Typical copayment $25.58 (range $4.58 – $35.87)
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.

Urology
5333 MCAULEY DR, RM 3001
YPSILANTI, MI 48197
Urology
5333 MCAULEY DR, RM 3001
YPSILANTI, MI 48197
Urology
5333 MCAULEY DR, STE 3001
YPSILANTI, MI 48197
Pharmacist
5333 MCAULEY DR
YPSILANTI, MI 48197
Physical Medicine & Rehabilitation
5333 MCAULEY DR, SUITE R2009
YPSILANTI, MI 48197
Obstetrics & Gynecology
5333 MCAULEY DR, SUITE 2110
YPSILANTI, MI 48197
Internal Medicine (Pulmonary Disease)
5333 MCAULEY DR, SUITE 3111
YPSILANTI, MI 48197
Psychiatry & Neurology (Neurology)
5333 MCAULEY DR, SUITE 3003
YPSILANTI, MI 48197

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 Twylla Tassava's NPI number?

The NPI number for Twylla Tassava is 1336157700. It was assigned to this individual provider in the NPPES registry on August 3, 2006.

Where is Twylla Tassava located?

Twylla Tassava practices at 5333 Mcauley Dr, Ypsilanti, MI 48197. The listed phone number is (734) 712-3980.

What is Twylla Tassava's specialty?

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

Is Twylla Tassava enrolled in Medicare?

Yes. Twylla Tassava 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 Twylla Tassava accept?

Health plans from Priority Health list Twylla Tassava 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 Twylla Tassava affiliated with any hospitals?

According to CMS data, Twylla Tassava is affiliated with Trinity Health Ann Arbor Hospital.

When was this NPI record last updated?

The NPPES record for Twylla Tassava was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.