Active NPI 1356542617 Individual Practitioner Male Practitioner

Dr. Shahryar Sean Nassi , MD

Internal Medicine • Plano, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Shahryar Nassi, MD is a certified Internal Medicine practicing in Plano, TX. With approximately 22 years of clinical experience since graduating from University Of Texas Southwestern Medical School At Dallas in 2004, Dr. Nassi delivers high-quality medical care to the local community at 4700 ALLIANCE BLVD.

Dr. Nassi is affiliated with Healthtexas Provider Network and accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, hospital discharge day management, more than, initial hospital care with moderate level of medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4700 Alliance Blvd
Suite 400

Plano, TX 750935323

Telephone 4698146631

Associated Practice Facility / Clinic

🏢 Baylor Regional Medical Center At Plano Facility NPI 1649273434

Medicare Profile & Education

Medical School

University Of Texas Southwestern Medical School At Dallas

Graduation Year

2004

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Plano, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

22 Yrs -2.0 yrs vs City Avg

City Avg: 24.0 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

211 Specialists

Practicing in Plano, TX (9538 Statewide)

Telehealth Adoption Rate

28.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Nassi (22 Years) 22 Yrs

Plano Specialty Average (24.0 Years) 24.0 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	485	228	$267.68	$111.53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	201	122	$186.19	$73.54
99239 Hospital discharge day management, more than 30 minutes	196	191	$275.10	$106.34
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	99	98	$517.48	$164.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	487	229	$186.19	$75.91
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	266	138	$267.68	$113.18
99239 Hospital discharge day management, more than 30 minutes	183	176	$275.10	$107.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	74	73	$517.48	$166.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$352.24	$121.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	480	211	$139.03	$67.61
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	173	96	$184.90	$98.11
99239 Hospital discharge day management, more than 30 minutes	148	146	$219.90	$100.27
99220 Hospital observation care, typically 70 minutes	99	99	$353.54	$170.41
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	53	$349.38	$189.79
99225 Subsequent observation care, typically 25 minutes per day	33	29	$138.86	$67.96
99226 Subsequent observation care, typically 35 minutes per day	32	32	$209.94	$97.08
99217 Hospital observation care on day of discharge	25	25	$158.43	$68.54

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	636	273	$115.00	$69.25
99239 Hospital discharge day management, more than 30 minutes	154	152	$195.00	$102.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	107	77	$160.00	$99.96
99220 Hospital observation care, typically 70 minutes	100	98	$315.00	$174.59
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	87	86	$315.00	$192.04
99225 Subsequent observation care, typically 25 minutes per day	41	35	$124.00	$69.53
99217 Hospital observation care on day of discharge	26	26	$145.00	$69.82
99226 Subsequent observation care, typically 35 minutes per day	13	13	$185.00	$99.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	529	223	$115.00	$71.81
99239 Hospital discharge day management, more than 30 minutes	147	144	$195.00	$105.97
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	107	106	$315.00	$201.30
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	95	72	$160.00	$103.54
99220 Hospital observation care, typically 70 minutes	80	80	$315.00	$184.62
99225 Subsequent observation care, typically 25 minutes per day	33	28	$124.00	$68.94
99217 Hospital observation care on day of discharge	30	30	$145.00	$72.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	642	251	$112.68	$71.54
99239 Hospital discharge day management, more than 30 minutes	162	158	$195.00	$105.57
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	156	155	$315.00	$199.59
99220 Hospital observation care, typically 70 minutes	76	76	$315.00	$183.22
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	74	57	$160.00	$102.65
99217 Hospital observation care on day of discharge	49	49	$145.00	$71.94
99225 Subsequent observation care, typically 25 minutes per day	21	19	$124.00	$72.12
99219 Hospital observation care, typically 50 minutes	14	14	$225.00	$134.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	657	261	$110.00	$69.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	146	144	$315.00	$196.54
99239 Hospital discharge day management, more than 30 minutes	138	134	$195.00	$104.26
99220 Hospital observation care, typically 70 minutes	58	58	$315.00	$181.52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	56	49	$160.00	$101.71
99217 Hospital observation care on day of discharge	37	37	$145.00	$69.91
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$225.00	$133.34
99225 Subsequent observation care, typically 25 minutes per day	16	16	$124.00	$71.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,020	428	$110.00	$70.48
99239 Hospital discharge day management, more than 30 minutes	211	206	$195.00	$104.53
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	103	101	$315.00	$193.30
99231 Follow-up hospital inpatient care per day, typically 15 minutes	68	43	$85.00	$38.55
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	53	42	$160.00	$102.18
99217 Hospital observation care on day of discharge	32	32	$145.00	$70.77
99220 Hospital observation care, typically 70 minutes	29	29	$315.00	$180.20
99225 Subsequent observation care, typically 25 minutes per day	24	17	$124.00	$71.27
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	23	22	$225.00	$132.61
99238 Hospital discharge day management, 30 minutes or less	13	13	$145.00	$70.73

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX M8863

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License TX BP10018362

Hospitalist

NUCC Taxonomy Code: 208M00000X

State License TX M8863

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Hospital & Practice Group Affiliations

Healthtexas Provider Network

4700 Alliance Blvd, Plano, TX 750935323

Healthtexas Provider Network

821 N Coleman St, Prosper, TX 750782339

Phone: 4698005200

Healthtexas Provider Network

4001 Worth St, Dallas, TX 752461608

Healthtexas Provider Network

12505 Lebanon Rd, Frisco, TX 750358298

Phone: 9729633550

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

14 Associated Practitioners

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Dr. Jenifer Mcnair , MD

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Doctor of Medicine (M.D.)

Dr. Deepa Moparty , MD

Internal Medicine

NPI 1093914962

Doctor of Medicine (M.D.)

Dr. David Strawman , MD

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NPI 1124067871

Doctor of Medicine (M.D.)

Dr. Eric Bricker , MD

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NPI 1245384510

Doctor of Medicine (M.D.)

Dr. Austin Lewis , MD

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NPI 1265810089

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active February 21, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 21, 2014

Registered at 4700 ALLIANCE BLVD, SUITE 400, PLANO, TX 750935323 (Tel: 4698146631)

📍

Updated Business Mailing Address February 21, 2014

Registered at 4700 ALLIANCE BLVD, SUITE 400, PLANO, TX 750935323 (Tel: 4698146631)

👤

Provider Name / Credentials Updated February 21, 2014

Recorded as SHAHRYAR NASSI, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 21, 2014

Internal Medicine (License #M8863 in TX)

🟢

Initial NPI Registration & Enumeration May 31, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1356542617

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: May 31, 2007

Last Update: February 21, 2014

Sole Proprietor: No

Update or Correct Profile

Mailing Address

4700 Alliance Blvd, Suite 400

Plano, TX 750935323

Phone: 4698146631

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.