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DR. SHAHRYAR SEAN NASSI MD
NPI 1356542617
Internal Medicine in Plano, TX

Active since May 31, 2007PECOS EnrolledAccepts Medicare Assignment
4700 ALLIANCE BLVD, SUITE 400, PLANO, TX 75093(469) 814-6631 Get Directions Write a Review

NPPES record last updated: February 21, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Shahryar Sean Nassi Md NPPES

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

DR. SHAHRYAR SEAN NASSI MD (NPI 1356542617) is an individual internal medicine provider in Plano, Texas, licensed in Texas (M8863) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Baylor Scott & White Medical Center Plano, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2004).

NPPES Registry Identity

NPI1356542617
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. SHAHRYAR SEAN NASSICredential: MD
Location Address4700 ALLIANCE BLVD, SUITE 400Plano, TX 75093-5323
Mailing Address4700 Alliance Blvd, Suite 400Plano, TX 75093-5323 · (469) 814-6631
Phone(469) 814-6631
Sole ProprietorNo
Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2004
Enumeration DateMay 31, 2007
Last NPPES UpdateFebruary 21, 2014
✔ NPI 1356542617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in TX · M8863✔ Licensed in TX · BP10018362
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.
Also ListedHospitalistTaxonomy 208M00000X · License M8863 (TX)
4700 ALLIANCE BLVD, Plano, TX 75093
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Other Identifiers 2

Medicare PIN327896YMR3TX
Medicare PINTXB166727TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

Dr. Shahryar Sean Nassi 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 ID8426122953
PECOS Enrollment IDI20080801000217
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.

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.
485 services228 patients
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.
201 services122 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.
196 services191 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.
99 services98 patients

Hospital Affiliations CMS Care Compare 2

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

Baylor Scott & White Medical Center Plano

Acute Care Hospitals · Plano, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number450890
Location4700 Alliance BoulevardPlano, TX 75093 · Collin County
Emergency services

Baylor Scott & White The Heart Hospital - Plano

Acute Care Hospitals · Plano, TX
5/5 CMS rating
OwnershipProprietary
CMS Certification Number670025
Location1100 Allied DrivePlano, TX 75093 · Collin County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75093 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
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers49 claims50 services$13.81 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers43 claims44 services$65.62 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DILLON ZAN APRN
Nurse Practitioner
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (469) 814-2000
DR. JENIFER L. MCNAIR M.D.
Internal Medicine
4700 ALLIANCE BLVD, SUITE 400
PLANO, TX 75093
Collin County (469) 814-6631
MEGAN WATSON MS CCC-SLP
Speech-Language Pathologist
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (469) 814-2561
AASHNA RAMANI
Physician Assistant
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (469) 814-2500
DR. HAROLD JIMENEZ M.D.
Emergency Medicine
4700 ALLIANCE BLVD, BAYLOR REGIONAL MEDICAL CENTER OF PLANO/EMERGENCY DEPT.
PLANO, TX 75093
Collin County (469) 814-3170
MS. CARLITA WILLIAMS RN
Registered Nurse (Emergency)
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (469) 814-6754
MRS. TIFFANY ANN JARRELL-SENE OTR, CHT
Occupational Therapist
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (469) 814-2550
MR. HUNTER RYAN BROSSETTE MOT
Occupational Therapist
4700 ALLIANCE BLVD
PLANO, TX 75093
Collin County (146) 981-4200

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 Shahryar Nassi's NPI number?

The NPI number for Shahryar Nassi is 1356542617. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Shahryar Nassi located?

Shahryar Nassi practices at 4700 Alliance Blvd Suite 400, Plano, TX 75093. The listed phone number is (469) 814-6631.

What is Shahryar Nassi's specialty?

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

Is Shahryar Nassi enrolled in Medicare?

Yes. Shahryar Nassi 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 Shahryar Nassi accept?

Health plans from Blue Cross and Blue Shield of Texas list Shahryar Nassi 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 Shahryar Nassi affiliated with any hospitals?

According to CMS data, Shahryar Nassi is affiliated with Baylor Scott & White Medical Center Plano and Baylor Scott & White The Heart Hospital - Plano.

When was this NPI record last updated?

The NPPES record for Shahryar Nassi was last updated on February 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.