Wonjin To, NP
- Medicare patients, 2024
- 92
- Part D claims, 2024
- 3,209
- Hospital affiliations
- 1
- Industry payments
- $58
- Medical groups
- 2
- Practice address
- 2821-31 Island Ave, Philadelphia, PA 19153
- Practice phone
- Call (215) 863-6110
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Thma MG Primary Care Eastwick
Philadelphia, Pennsylvania
Find Wonjin To'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.
Wonjin To is a family nurse practitioner in Philadelphia, Pennsylvania
Wonjin To practices at Thma MG Primary Care Eastwick in Philadelphia, Pennsylvania.
Wonjin To's NPI, 1609401207, was assigned on March 4, 2020. Wonjin To holds Pennsylvania license SP020119.
- NPI
- 1609401207NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9537598388
- NPI enumeration date
- March 4, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (215) 863-6110
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Wonjin To practices at Thma MG Primary Care Eastwick in Philadelphia, Pennsylvania
Wonjin To's primary practice is Thma MG Primary Care Eastwick, at 2821-31 Island Ave, Philadelphia, PA 19153 in Philadelphia County. The practice phone is (215) 863-6110.
- Thma MG Primary Care Eastwick2821-31 Island Ave, Philadelphia, PA 19153 · Philadelphia CountyPhone(215) 863-6110
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Wonjin To is affiliated with 4 sites of care and 2 medical groups
Wonjin To's primary practice is Thma MG Primary Care Eastwick in Philadelphia, Pennsylvania. Wonjin To is also affiliated with Mercy Fitzgerald Hospital. The medical group on file is Trinity Health Mid-Atlantic Medical Group. Dmand AI also links Wonjin To to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Wonjin To's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wonjin To practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Thma MG Primary Care Eastwick | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Wonjin To is one of 5,541 family nurse practitioners in Pennsylvania
Family is Wonjin To's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Wonjin To is licensed in Pennsylvania.
Specialties and state licenses
- Family nurse practitioner, PennsylvaniaPrimary
Family nurse practitioners near Wonjin To
Counts of family nurse practitioners 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
Wonjin To treated 92 Medicare patients in 2024, average age 72
CMS counts 92 Medicare patients who saw Wonjin To in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 45% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Wonjin To's median patient age at 61, with 68% women.
Wonjin To's Medicare patients by age, 2024
Wonjin To's Medicare patients by sex, 2024
- Women5661%
- Men3639%
Chronic conditions among Wonjin To's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Diabetes42%
- Arthritis41%
- Chronic kidney disease24%
- Ischemic heart disease22%
- Mood disorders21%
- Atrial fibrillation18%
Share of Medicare patients with each condition. A patient can have several.
Wonjin To's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Wonjin To wrote 3,209 Medicare Part D claims in 2024
In 2024, Wonjin To wrote 3,209 Medicare Part D claims for 394 patients. 87% of them were for generic drugs.
Wonjin To's Part D claims by kind of drug, 2024
- Generic2,802 claims87%
- Brand-name369 claims11%
- Other38 claims1%
Drug classes CMS tracks in Wonjin To's Part D claims, 2024
- Opioids1%33 of 3,209 claims
- Antibiotics1%18 of 3,209 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 Wonjin To takes part in Medicare
Wonjin To 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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Wonjin To received $58 in industry payments in 2025
CMS Open Payments shows 2 general payments to Wonjin To from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Dexcom, Inc. paid the most, $35.
Companies that paid Wonjin To the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Wonjin To'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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 Wonjin To
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wonjin To's NPI number?
Wonjin To's NPI number is 1609401207. It was assigned on March 4, 2020, and it is active in the NPI Registry.
What does Wonjin To specialize in?
Wonjin To is a family nurse practitioner in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Wonjin To practice?
Wonjin To practices at 2821-31 Island Ave, Philadelphia, PA 19153. Wonjin To's primary practice is Thma MG Primary Care Eastwick in Philadelphia, Pennsylvania. Dmand AI also links Wonjin To to 2 group practices and clinics and 1 medical group.
What is Wonjin To's office phone number?
The practice phone on file for Wonjin To is (215) 863-6110.
What is Wonjin To's medical license number?
Wonjin To holds Pennsylvania license SP020119.
Which hospitals is Wonjin To affiliated with?
Wonjin To is affiliated with Mercy Fitzgerald Hospital.
What medical group is Wonjin To part of?
Wonjin To is linked to Trinity Health Mid-Atlantic Medical Group. Dmand AI links Wonjin To to 1 more medical group.
Does Wonjin To accept Medicare?
Yes. CMS lists Wonjin To as accepting Medicare assignment.
How many Medicare patients does Wonjin To see?
CMS counts 92 Medicare patients who saw Wonjin To in 2024, with an average age of 72.
Has Wonjin To received payments from drug or device companies?
CMS Open Payments shows $58 in general payments to Wonjin To from 2 companies from 2025 to 2025. The largest total came from Dexcom, Inc.
How long has Wonjin To been practicing?
Wonjin To graduated from medical school in 2018, 8 years ago.
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