Active NPI 1497740468 Individual Practitioner Male Practitioner

Dr. Stephen S Hwang , MD, PhD

Internal Medicine - Gastroenterology • Enid, OK

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Hwang, MD, PhD is a registered healthcare professional specializing in Internal Medicine - Gastroenterology in Enid, OK. Practice services are available at 330 SOUTH 5TH STREET under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, diagnostic exam of large bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

330 South 5th Street
Suite 305

Enid, OK 737015862

Telephone 5802493003

Fax 5802371480

Associated Practice Facility / Clinic

🏢 Heart Clinic, Pllc Facility NPI 1437153244

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Enid, OK

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 41.0 Yrs

State Avg: 36.4 Yrs

Regional Practice Density

6 Specialists

Practicing in Enid, OK (166 Statewide)

Telehealth Adoption Rate

33.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

60.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2019)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	116	93	$151.00	$70.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$220.00	$103.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	42	35	$221.00	$102.64
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	41	40	$92.00	$42.59
45378 Diagnostic exam of large bowel using a flexible endoscope	34	33	$446.00	$169.04
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	26	26	$348.23	$104.32
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	22	21	$617.91	$257.47
45380 Biopsy of large bowel using an endoscope	20	20	$487.90	$137.27
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	18	$315.32	$109.20
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$279.00	$127.58
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$414.73	$186.52

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	170	126	$149.86	$68.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	149	149	$220.00	$101.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	86	68	$219.65	$101.54
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	65	34	$213.88	$101.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	62	62	$90.00	$40.85
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	57	55	$260.00	$100.14
45378 Diagnostic exam of large bowel using a flexible endoscope	57	55	$649.79	$174.80
45380 Biopsy of large bowel using an endoscope	47	47	$817.46	$162.64
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	36	33	$294.00	$104.85
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$154.00	$70.96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	26	26	$873.54	$233.75
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	23	23	$30.00	$13.86
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	23	23	$335.13	$157.43
99221 Initial hospital inpatient care per day, typically 30 minutes	22	22	$208.00	$93.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$279.76	$132.69
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	11	11	$649.27	$184.58

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	185	141	$147.96	$67.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	155	107	$217.90	$98.64
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	153	153	$219.92	$100.74
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	99	99	$333.84	$153.30
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	65	65	$318.98	$88.54
45380 Biopsy of large bowel using an endoscope	57	57	$830.56	$140.13
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	57	28	$212.00	$100.31
45378 Diagnostic exam of large bowel using a flexible endoscope	55	54	$648.11	$171.34
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	54	53	$392.30	$85.27
43249 Balloon dilation of esophagus using an endoscope	42	31	$793.90	$146.75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	40	39	$884.75	$247.84
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$277.96	$128.04
99231 Follow-up hospital inpatient care per day, typically 15 minutes	19	11	$80.00	$37.78
99221 Initial hospital inpatient care per day, typically 30 minutes	19	19	$207.53	$97.51
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	15	15	$646.00	$170.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	12	$293.71	$136.10
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$653.85	$181.95

Medical Specialties & State Licenses

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License OK 20382

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

100034970A (OH)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Michael Grossman , MD

Internal Medicine - Gastroenterology

NPI 1538158233

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

16 Historical Events

✅

NPI Profile Active February 16, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location February 16, 2018

Registered at 330 SOUTH 5TH STREET, SUITE 305, ENID, OK 737015862 (Tel: 5802493003)

📍

Updated Business Mailing Address February 16, 2018

Registered at PO BOX 3046, MALVERN, PA 193550746 (Tel: 5802493003)

👤

Provider Name / Credentials Updated February 16, 2018

Recorded as STEPHEN HWANG, M.D., PH.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 16, 2018

Internal Medicine (License #20382 in OK)

✅

NPI Profile Active September 26, 2017

NPI status registered as active in NPPES database

📍

Updated Business Mailing Address September 26, 2017

Registered at PO BOX 3046, MALVERN, PA 193550746 (Tel: (580) 249-3003)

📍

Updated Practice Location September 26, 2017

Registered at 330 SOUTH 5TH STREET, SUITE 305, ENID, OK 737015862 (Tel: 5802493003)

👤

Provider Name / Credentials Updated September 26, 2017

Recorded as STEPHEN HWANG, M.D., PH.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 26, 2017

Internal Medicine (License #20382 in OK)

✅

NPI Profile Active April 05, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location April 05, 2016

Registered at 330 SOUTH 5TH STREET, SUITE 305, ENID, OK 737015862 (Tel: 5802493003)

📍

Updated Business Mailing Address April 05, 2016

Registered at PO BOX 844737, ATT: IPM CREDENTIALING, DALLAS, TX 752844737 (Tel: 8552986628)

👤

Provider Name / Credentials Updated April 05, 2016

Recorded as STEPHEN HWANG, M.D., PH.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 05, 2016

Internal Medicine (License #20382 in OK)

🟢

Initial NPI Registration & Enumeration September 15, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Stephen Hwang. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1497740468

Entity Type:

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

Enumeration Date: September 15, 2005

Last Update: February 16, 2018

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 3046

Malvern, PA 193550746

Phone: 5802493003

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.