Dr. Davis P. Yang, MD
- Medicare services, 2024
- 72
- Medicare patients, 2024
- 64
- Part D claims, 2024
- 509
- Hospital affiliations
- 2
- Industry payments
- $34
- Practice address
- 3249 South Oak Park Avenue, Berwyn, IL 60402
- Practice phone
- Call (708) 783-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Yang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Davis P. Yang is a family medicine physician in Berwyn, Illinois
Dr. Yang practices at MacNeal Hospital in Berwyn, Illinois, part of Trinity Health.
Dr. Yang's NPI, 1659305712, was assigned on July 11, 2006. Dr. Yang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994. Dr. Yang holds Illinois license 036-094182.
- NPI
- 1659305712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315135829
- NPI enumeration date
- July 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 783-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Davis P. Yang practices at MacNeal Hospital in Berwyn, Illinois
Dr. Yang's primary practice is MacNeal Hospital, at 3249 South Oak Park Avenue, Berwyn, IL 60402 in Cook County. The practice phone is (708) 783-9100.
- MacNeal Hospital3249 South Oak Park Avenue, Berwyn, IL 60402 · Cook CountyPhone(708) 783-9100
Source: Dmand AI Affiliation Data
Dr. Davis P. Yang is affiliated with 3 sites of care and 1 medical group
Dr. Yang's primary practice is MacNeal Hospital in Berwyn, Illinois, part of Trinity Health. Dr. Yang is also affiliated with Loyola University Medical Center. The medical group on file is Loyola Medical Group. Dmand AI also links Dr. Yang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Davis P. Yang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MacNeal Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Davis P. Yang is one of 5,105 family medicine physicians in Illinois
Family medicine is Dr. Yang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Yang is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Yang
Counts of family medicine physicians 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. Davis P. Yang billed Medicare for 72 services in 2024
CMS data shows 72 Medicare services from Dr. Yang across 2 procedure codes in 2024, all of them office visits, for 64 Medicare patients. Medicare paid $3,249 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Yang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 642024: 7213%
Dr. Yang compared with the Illinois median for family medicine physicians, 2024
- Dr. Yang
- Illinois median
- Medicare services
- 72vs 35680% below
- Medicare patients
- 64vs 16060% below
- Part D claims
- 350vs 61843% below
Medians across 5,015 family medicine physicians in Illinois 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Davis P. Yang treated 64 Medicare patients in 2024, average age 69
CMS counts 64 Medicare patients who saw Dr. Yang in 2024. The largest group is 65 to 74, with 29 patients. 73% of them have high cholesterol, and 70% have high blood pressure. 52% are also on Medicaid. Their average risk score is 0.98, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Yang's median patient age at 60, with 53% women.
Dr. Yang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Yang's Medicare patients by sex, 2024
- Women3047%
- Men3453%
Chronic conditions among Dr. Yang's Medicare patients, 2024
- High cholesterol73%
- High blood pressure70%
- Arthritis52%
- Diabetes44%
- Anxiety25%
- Ischemic heart disease22%
- Mood disorders22%
- Heart failure20%
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 60
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Davis P. Yang wrote 509 Medicare Part D claims in 2024
In 2024, Dr. Yang wrote 509 Medicare Part D claims for 57 patients. 86% of them were for generic drugs. CMS names the drug for 350 of them, across 18 drugs with 11 or more claims each, at $14,326 in total drug cost. In 2023, CMS named 308 claims across 15 drugs.
Dr. Yang's Part D claims by kind of drug, 2024
- Generic436 claims86%
- Brand-name62 claims12%
- Other11 claims2%
Dr. Yang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Yang's Part D claims, 2024
- Opioids4%19 of 509 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 3082024: 35014%
Drugs named by CMS: 18 in 2024, 15 in 2023.
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
How Dr. Davis P. Yang takes part in Medicare
Dr. Yang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Davis P. Yang received $34 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Yang from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $34.
Companies that paid Dr. Yang the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Davis P. Yang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Yang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Davis P. Yang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Davis P. 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. Davis P. Yang's NPI number?
Dr. Davis P. Yang's NPI number is 1659305712. It was assigned on July 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Davis P. Yang?
Dr. Davis P. Yang is a family medicine physician in Berwyn, Illinois. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Davis P. Yang practice?
Dr. Yang practices at 3249 South Oak Park Avenue, Berwyn, IL 60402. Dr. Yang's primary practice is MacNeal Hospital in Berwyn, Illinois, part of Trinity Health. Dmand AI also links Dr. Yang to 1 group practice or clinic.
What is Dr. Davis P. Yang's office phone number?
The practice phone on file for Dr. Yang is (708) 783-9100.
What is Dr. Davis P. Yang's medical license number?
Dr. Yang holds Illinois license 036-094182.
Which hospitals is Dr. Davis P. Yang affiliated with?
Dr. Yang practices at MacNeal Hospital in Berwyn, Illinois. Dr. Yang is also affiliated with Loyola University Medical Center.
What medical group is Dr. Davis P. Yang part of?
Dr. Yang is linked to Loyola Medical Group.
Does Dr. Davis P. Yang accept Medicare?
Yes. CMS data shows Dr. Yang billed Medicare for 72 services in 2024, and Dr. Yang accepts Medicare assignment.
How many Medicare patients does Dr. Davis P. Yang see?
CMS counts 64 Medicare patients who saw Dr. Yang in 2024, with an average age of 69.
What services does Dr. Davis P. Yang bill to Medicare?
In 2024, Dr. Yang's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
Show 4 more questionsShow fewer questions
Where did Dr. Davis P. Yang go to medical school?
Dr. Yang graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1994.
What drugs does Dr. Davis P. Yang prescribe most?
In 2024 Medicare Part D data, Dr. Yang's most prescribed drugs by claims were Atorvastatin Calcium, Metformin HCl and Hydrochlorothiazide.
Has Dr. Davis P. Yang received payments from drug or device companies?
CMS Open Payments shows $34 in general payments to Dr. Yang from 1 company from 2022 to 2022. The largest total came from Abbott Laboratories.
How long has Dr. Davis P. Yang been practicing?
Dr. Yang graduated from medical school in 1994, 32 years ago.
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