Dr. Annie Yan, MD
- Part D claims, 2024
- 432
- Industry payments
- $6,215
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 169 Ashley Ave Rm 202, Charleston, SC 29425-8905
- Practice phone
- Call (843) 792-2731
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Medical group
Find Dr. Yan'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. Annie Yan is an ophthalmologist in Charleston, South Carolina
Dr. Yan practices with Penn Medicine Lancaster General Health, a medical group.
Dr. Yan's NPI, 1679203442, was assigned on June 14, 2022. Dr. Yan holds South Carolina license LL88071.
- NPI
- 1679203442NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335517788
- NPI enumeration date
- June 14, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (843) 792-2731
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Annie Yan's practice address is in Charleston, South Carolina
Dr. Yan's practice address in the NPI Registry is 169 Ashley Ave Rm 202, Charleston, SC 29425-8905. The practice phone is (843) 792-2731.
- NPI Registry address169 Ashley Ave Rm 202, Charleston, SC 29425-8905Phone(843) 792-2731
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Annie Yan is affiliated with 1 medical group
Dr. Yan is part of Penn Medicine Lancaster General Health, a medical group in Lancaster, Pennsylvania.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Annie Yan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Penn Medicine Lancaster General Health | 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 Penn Medicine Lancaster General Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Annie Yan is one of 269 ophthalmologists in South Carolina
Ophthalmology is Dr. Yan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Yan is licensed in South Carolina.
Specialties and state licenses
- Ophthalmology, South CarolinaPrimary
Ophthalmologists near Dr. Yan
Counts of ophthalmologists 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. Annie Yan's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Yan's median patient age at 79, with 0% women.
Dr. Yan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 79
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. Annie Yan wrote 432 Medicare Part D claims in 2024
In 2024, Dr. Yan wrote 432 Medicare Part D claims for 181 patients. 73% of them were for generic drugs. CMS names the drug for 317 of them, across 12 drugs with 11 or more claims each, at $22,684 in total drug cost. In 2023, CMS named 69 claims across 3 drugs.
Dr. Yan's Part D claims by kind of drug, 2024
- Generic316 claims73%
- Brand-name116 claims27%
Dr. Yan'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. Yan's Part D claims, 2024
- Opioids6%28 of 432 claims
- Antibiotics4%16 of 432 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: 692024: 317359%
Drugs named by CMS: 12 in 2024, 3 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. Annie Yan takes part in Medicare
Dr. Yan 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. Annie Yan received $6,215 in industry payments from 2022 to 2025
CMS Open Payments shows 62 general payments to Dr. Yan from 19 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 81% of the total. Bausch & Lomb Americas Inc. paid the most, $1,801.
General payments to Dr. Yan by program year, 2022 to 2025
General payments to Dr. Yan by kind, 2022 to 2025
- Food and beverage$5,03581%
- Travel and lodging$1,18019%
Companies that paid Dr. Yan the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Annie Yan'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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. Annie Yan
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. Annie Yan's NPI number?
Dr. Annie Yan's NPI number is 1679203442. It was assigned on June 14, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Annie Yan?
Dr. Annie Yan is an ophthalmologist in Charleston, South Carolina. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Annie Yan practice?
Dr. Yan practices at 169 Ashley Ave Rm 202, Charleston, SC 29425-8905. Dr. Yan's primary practice is Penn Medicine Lancaster General Health, a medical group.
What is Dr. Annie Yan's office phone number?
The practice phone on file for Dr. Yan is (843) 792-2731.
What is Dr. Annie Yan's medical license number?
Dr. Yan holds South Carolina license LL88071.
What medical group is Dr. Annie Yan part of?
Dr. Yan is part of Penn Medicine Lancaster General Health in Lancaster, Pennsylvania.
Does Dr. Annie Yan accept Medicare?
Yes. CMS lists Dr. Yan as accepting Medicare assignment.
What drugs does Dr. Annie Yan prescribe most?
In 2024 Medicare Part D data, Dr. Yan's most prescribed drugs by claims were Erythromycin, Latanoprost and Prednisolone Acetate.
Has Dr. Annie Yan received payments from drug or device companies?
CMS Open Payments shows $6,215 in general payments to Dr. Yan from 19 companies from 2022 to 2025. The largest total came from Bausch & Lomb Americas Inc.
How long has Dr. Annie Yan been practicing?
Dr. Yan's NPI was assigned in 2022.
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