Dr. Stephen Clyde Yang, MD

  • Baltimore, MD
  • General surgeon
NPI1164452728PAC ID1254468812
Medicare services, 2024
531
Medicare patients, 2024
374
Part D claims, 2024
16
Publications
94
Clinical trials
3
Practice address
600 N Wolfe St, Baltimore, MD 21287
Practice phone
Call (855) 662-3017
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

Johns Hopkins Hospital Nelson/Harvey Building

Baltimore, Maryland

See all 9 affiliations

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Dr. Stephen Clyde Yang is a general surgeon in Baltimore, Maryland

Dr. Yang practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.

Dr. Yang's NPI, 1164452728, was assigned on July 3, 2006. Dr. Yang graduated from Virginia Commonwealth University, School of Medicine in 1984. Dr. Yang holds Maryland license D46324.

NPI and contact details
Medicare PAC ID
1254468812
NPI enumeration date
July 3, 2006
NPI status
Active
Offers telehealth
Yes
Practice phone
(855) 662-3017
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
68
Medical school graduation
1984

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Stephen Clyde Yang practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland

Dr. Yang's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.

  • Johns Hopkins Hospital Nelson/Harvey Building
    600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Stephen Clyde Yang is affiliated with 6 sites of care and 3 medical groups

Dr. Yang's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Yang is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Yang to 3 more hospitals, 2 medical groups and 1 home health agency, each named with a free account.

See all 9 affiliations for Dr. Yang

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Stephen Clyde Yang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Johns Hopkins Hospital Nelson/Harvey BuildingAvailable with a free account
+5 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Stephen Clyde Yang is one of 532 general surgeons in Maryland

Surgery is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Yang is licensed in Maryland.

Specialties and state licenses

  • Surgery, MarylandPrimaryLicense D46324 · taxonomy 208600000X

General surgeons near Dr. Yang

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Stephen Clyde Yang billed Medicare for 531 services in 2024

CMS data shows 531 Medicare services from Dr. Yang across 6 procedure codes in 2024, for 374 Medicare patients. Medicare paid $77,169 for them.

Medicare services, 2024531
Medicare patients374
Paid by Medicare$77,169
Procedure codes6

Dr. Yang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4352024: 4544%
Surgery
2023: 862024: 7710%

Where Dr. Yang's Medicare services took place, 2024

  • In an office16231%
  • In a facility36969%

Dr. Yang compared with the Maryland median for general surgeons, 2024

  • Dr. Yang
  • Maryland median
Medicare services
531vs 2302.3 times
Medicare patients
374vs 1622.3 times
Part D claims
12vs 2654% below

Medians across 485 general surgeons in Maryland with Dmand AI profiles that report each measure.

Dr. Yang's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Yang

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Stephen Clyde Yang treated 374 Medicare patients in 2024, average age 74

CMS counts 374 Medicare patients who saw Dr. Yang in 2024. The largest group is 65 to 74, with 164 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 73, with 55% women.

Medicare patients, 2024374
Average age74
Average risk score1.63
Also on Medicaid7%

Dr. Yang's Medicare patients by age, 2024

Dr. Yang's Medicare patients by sex, 2024

  • Women20856%
  • Men16644%

Chronic conditions among Dr. Yang's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Cancer62%
  4. Arthritis50%
  5. Ischemic heart disease36%
  6. COPD35%
  7. Diabetes25%
  8. Anxiety24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Yang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women55%
  • Men44%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Stephen Clyde Yang wrote 16 Medicare Part D claims in 2024

In 2024, Dr. Yang wrote 16 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $128 in total drug cost.

Part D claims, 202416
Drugs named by CMS1
Total drug cost$128

Dr. Yang's most prescribed drugs by claims, 2016

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

See all prescribing by Dr. Yang

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Stephen Clyde Yang scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Yang for performance year 2024, reported as part of a group. CMS lists Dr. Yang as offering telehealth. CMS counts 16 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Yang, more than 47% of the clinicians it reports for that procedure.

Offers telehealth
Yes

Dr. Yang's MIPS scores, performance year 2024

  • 83of 100Final score
  • 73.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 70of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Yang ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
47th percentile16 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Stephen Clyde Yang has 94 publications on record

Dmand AI links 94 papers to Dr. Yang, published from 2010 to 2024. 2021 was the busiest year, with 10. The most frequent topics are Lung Neoplasms, Carcinoma, Non-Small-Cell Lung and Internship and Residency. Dr. Yang has published most often in Ann Thorac Surg. Dr. Yang's most frequent co-authors are Richard James Battafarano, MD, Malcolm V. Brock, MD and David S. Ettinger, MD.

Papers94
Years published2010 to 2024

Dr. Yang's papers by year, 2015 to 2024

Topics Dr. Yang writes about most

  • Lung Neoplasms
  • Carcinoma, Non-Small-Cell Lung
  • Internship and Residency
  • Thoracic Surgery
  • Thoracic Surgical Procedures
  • Education, Medical, Graduate
  • Esophageal Neoplasms
  • Esophagectomy

Dr. Yang's most frequent co-authors

Recent publications by Dr. Yang

See all 94 publications and co-authors

See who Dr. Yang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yang works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Stephen Clyde Yang has worked on 3 clinical trials

Dmand AI links Dr. Yang to 3 clinical trials. 3 are still active or recruiting. Conditions studied include Carcinoma, Non-Small-Cell Lung, Stomach Neoplasms and Carcinoma, Bronchogenic. Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins sponsors the most, 3.

Clinical trials with Dr. Yang by phase

  1. 1Phase 1: 1 trial
  2. 1Phase 1/2: 1 trial
  3. 1Phase 2: 1 trial
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Yang's trials

  • Carcinoma, Non-Small-Cell Lung
  • Stomach Neoplasms
  • Carcinoma, Bronchogenic
  • Esophageal Neoplasms

Investigators on the most trials with Dr. Yang

Recent clinical trials with Dr. Yang

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Stephen Clyde Yang received $53,964 in industry payments from 2016 to 2025

CMS Open Payments shows 159 general payments to Dr. Yang from 15 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 36% of the total. Intuitive Surgical, Inc. paid the most, $43,862.

General payments to Dr. Yang by program year, 2016 to 2025

General payments to Dr. Yang by kind, 2016 to 2025

$54Kin total
  • Speaker and faculty fees$19,50036%
  • Education$12,98124%
  • Travel and lodging$10,27919%
  • Food and beverage$5,67311%
  • Other$5,45110%

Companies that paid Dr. Yang the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Yang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Stephen Clyde Yang graduated from Virginia Commonwealth University, School of Medicine

Dr. Yang graduated from Virginia Commonwealth University, School of Medicine in 1984.

  1. Medical schoolVirginia Commonwealth University, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Stephen Clyde Yang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Stephen Clyde Yang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Stephen Clyde Yang's NPI number?

Dr. Stephen Clyde Yang's NPI number is 1164452728. It was assigned on July 3, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Stephen Clyde Yang?

Dr. Stephen Clyde Yang is a general surgeon in Baltimore, Maryland. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Stephen Clyde Yang practice?

Dr. Yang practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Yang's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Yang to 3 hospitals, 2 medical groups and 1 home health agency.

What is Dr. Stephen Clyde Yang's office phone number?

The practice phone on file for Dr. Yang is (855) 662-3017.

What is Dr. Stephen Clyde Yang's medical license number?

Dr. Yang holds Maryland license D46324.

Which hospitals is Dr. Stephen Clyde Yang affiliated with?

Dr. Yang is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Yang to 3 more hospitals.

What medical group is Dr. Stephen Clyde Yang part of?

Dr. Yang is linked to Johns Hopkins University. Dmand AI links Dr. Yang to 2 more medical groups.

Does Dr. Stephen Clyde Yang accept Medicare?

Yes. CMS data shows Dr. Yang billed Medicare for 531 services in 2024.

Does Dr. Stephen Clyde Yang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Yang as offering telehealth services.

What is Dr. Stephen Clyde Yang's MIPS score?

Dr. Yang's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Stephen Clyde Yang see?

CMS counts 374 Medicare patients who saw Dr. Yang in 2024, with an average age of 74.

What services does Dr. Stephen Clyde Yang bill to Medicare?

In 2024, Dr. Yang's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and surgery: lungs and airway (32674).

Where did Dr. Stephen Clyde Yang go to medical school?

Dr. Yang graduated from Virginia Commonwealth University, School of Medicine in 1984.

What drugs does Dr. Stephen Clyde Yang prescribe most?

In 2016 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Omeprazole.

Has Dr. Stephen Clyde Yang received payments from drug or device companies?

CMS Open Payments shows $53,964 in general payments to Dr. Yang from 15 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Stephen Clyde Yang been practicing?

Dr. Yang graduated from medical school in 1984, 42 years ago.

Does Dr. Stephen Clyde Yang do research?

Dmand AI links 94 publications to Dr. Yang, published from 2010 to 2024. Dr. Yang has worked on 3 clinical trials.

Who does Dr. Stephen Clyde Yang publish with?

Dr. Yang's most frequent co-authors are Richard James Battafarano, MD (15 shared papers), Malcolm V. Brock, MD (14 shared papers) and David S. Ettinger, MD (12 shared papers).

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