Emerson Yang Chang, PA-C

  • Salisbury, MD
  • Physician assistant
NPI1710127741PAC ID2466684964
Part D claims, 2024
4,677
Hospital affiliations
1
Industry payments
$339
Medical group
1
State license
1
Practice address
100 East Carroll Avenue, Salisbury, MD 21801
Practice phone
Call (410) 546-6400
Professional email
Get professional email
Personal email
Get personal email
Mobile number
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Social profiles

Primary practice

TidalHealth Peninsula Regional

Hospital · Salisbury, Maryland

See all 5 affiliations

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Emerson Yang Chang is a physician assistant in Salisbury, Maryland

Emerson Chang practices at TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional.

Emerson Chang's NPI, 1710127741, was assigned on March 3, 2009. Emerson Chang holds Maryland license C0003934.

NPI and contact details
Medicare PAC ID
2466684964
NPI enumeration date
March 3, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(410) 546-6400
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

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

Emerson Yang Chang practices at TidalHealth Peninsula Regional in Salisbury, Maryland

Emerson Chang's primary practice is TidalHealth Peninsula Regional, at 100 East Carroll Avenue, Salisbury, MD 21801 in Wicomico County. The practice phone is (410) 546-6400.

Source: Dmand AI Affiliation Data

Emerson Yang Chang is affiliated with 4 sites of care and 1 medical group

Emerson Chang's primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. The medical group on file is Padder Health Services. Dmand AI also links Emerson Chang to 1 more community health center, 1 group practice or clinic and 1 home health agency, each named with a free account.

See all 5 affiliations for Emerson Chang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Emerson Yang Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Emerson Chang practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
TidalHealth Peninsula RegionalAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Emerson Yang Chang is one of 613 physician assistants in Maryland

Medical is Emerson Chang's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Emerson Chang is licensed in Maryland.

Specialties and state licenses

  • Medical physician assistant, MarylandPrimaryLicense C0003934 · taxonomy 363AM0700X

Physician assistants near Emerson Chang

Counts of physician assistants 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

Emerson Yang Chang's patients have a median age of 62

Across all payers, Dmand AI patient panel data puts Emerson Chang's median patient age at 62, with 51% women.

Emerson Chang's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women51%
  • Men48%

Source: Dmand AI Patient Panel Data

Emerson Yang Chang wrote 4,677 Medicare Part D claims in 2024

In 2024, Emerson Chang wrote 4,677 Medicare Part D claims for 285 patients. 85% of them were for generic drugs.

Part D claims, 20244,677
Part D patients285

Emerson Chang's Part D claims by kind of drug, 2024

  • Generic3,986 claims85%
  • Brand-name651 claims14%
  • Other40 claims1%

Drug classes CMS tracks in Emerson Chang's Part D claims, 2024

  • Opioids1%65 of 4,677 claims
  • Antibiotics2%78 of 4,677 claims
  • Antipsychotics, patients 65 and over0%16 of 4,677 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Emerson Yang Chang takes part in Medicare

Emerson Chang 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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Emerson Yang Chang received $339 in industry payments in 2025

CMS Open Payments shows 15 general payments to Emerson Chang from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $55.

Companies that paid Emerson Chang the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Emerson Chang

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

Sources for Emerson Yang Chang'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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 Emerson Yang Chang

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

What is Emerson Yang Chang's NPI number?

Emerson Yang Chang's NPI number is 1710127741. It was assigned on March 3, 2009, and it is active in the NPI Registry.

What does Emerson Yang Chang specialize in?

Emerson Yang Chang is a physician assistant in Salisbury, Maryland. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).

Where does Emerson Yang Chang practice?

Emerson Chang practices at 100 East Carroll Avenue, Salisbury, MD 21801. Emerson Chang's primary practice is TidalHealth Peninsula Regional in Salisbury, Maryland, part of TidalHealth Peninsula Regional. Dmand AI also links Emerson Chang to 1 community health center, 1 group practice or clinic and 1 home health agency.

What is Emerson Yang Chang's office phone number?

The practice phone on file for Emerson Chang is (410) 546-6400.

What is Emerson Yang Chang's medical license number?

Emerson Chang holds Maryland license C0003934.

Which hospitals is Emerson Yang Chang affiliated with?

Emerson Chang practices at TidalHealth Peninsula Regional in Salisbury, Maryland.

What medical group is Emerson Yang Chang part of?

Emerson Chang is linked to Padder Health Services.

Does Emerson Yang Chang accept Medicare?

Yes. CMS lists Emerson Chang as accepting Medicare assignment.

Has Emerson Yang Chang received payments from drug or device companies?

CMS Open Payments shows $339 in general payments to Emerson Chang from 11 companies from 2025 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.

How long has Emerson Yang Chang been practicing?

Emerson Chang graduated from medical school in 2002, 24 years ago.

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