Katherine J. Huynh, PA-C
- Part D claims, 2024
- 3,280
- Industry payments
- $184
- Affiliated sites
- 2
- Medical groups
- 2
- State license
- 1
- Practice address
- 1200 Callowhill Street, Phila, PA 19123
- Practice phone
- Call (215) 787-9617
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
PHMC Health Callowhill - Phila (Callowhill St)
FQHC - Main Site · Phila, Pennsylvania
Find Katherine Huynh'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.
Katherine J. Huynh is a physician assistant in Philadelphia, Pennsylvania
Katherine Huynh practices at PHMC Health Callowhill - Phila (Callowhill St) in Phila, Pennsylvania.
Katherine Huynh's NPI, 1174640502, was assigned on March 22, 2007. Katherine Huynh holds Pennsylvania license MA051539.
- NPI
- 1174640502NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2007
- NPI status
- Active
- Practice phone
- (215) 787-9617
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Katherine J. Huynh practices in Phila and Philadelphia
Katherine Huynh's primary practice is PHMC Health Callowhill - Phila (Callowhill St), at 1200 Callowhill Street, Phila, PA 19123 in Philadelphia County. The practice phone is (215) 787-9617. The NPI Registry lists Katherine Huynh's practice address as 5501 Old York Rd, Philadelphia, PA 19141.
- PHMC Health Callowhill - Phila (Callowhill St)Primary1200 Callowhill Street, Phila, PA 19123 · Philadelphia CountyPhone(215) 787-9617
- NPI Registry address5501 Old York Rd, Philadelphia, PA 19141 · Philadelphia County
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Katherine J. Huynh is affiliated with 2 sites of care and 2 medical groups
Katherine Huynh's primary practice is PHMC Health Callowhill - Phila (Callowhill St) in Phila, Pennsylvania. The medical group on file is Public Health Management Corporation. Dmand AI also links Katherine Huynh to 1 more community health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Katherine J. Huynh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Katherine Huynh practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PHMC Health Callowhill - Phila (Callowhill St) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Katherine J. Huynh is one of 6,491 physician assistants in Pennsylvania
Physician assistant is Katherine Huynh's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Katherine Huynh is licensed in Pennsylvania.
Specialties and state licenses
- Physician assistant, PennsylvaniaPrimary
Physician assistants near Katherine Huynh
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
Katherine J. Huynh's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Katherine Huynh's median patient age at 52, with 35% women.
Katherine Huynh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women35%
- Men65%
Source: Dmand AI Patient Panel Data
Katherine J. Huynh wrote 3,280 Medicare Part D claims in 2024
In 2024, Katherine Huynh wrote 3,280 Medicare Part D claims for 90 patients. 72% of them were for generic drugs.
Katherine Huynh's Part D claims by kind of drug, 2024
- Generic2,362 claims72%
- Brand-name847 claims26%
- Other71 claims2%
Drug classes CMS tracks in Katherine Huynh's Part D claims, 2024
- Antibiotics1%40 of 3,280 claims
- Antipsychotics, patients 65 and over1%18 of 3,280 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
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Katherine J. Huynh received $184 in industry payments in 2025
CMS Open Payments shows 6 general payments to Katherine Huynh from 3 drug and device companies in 2025. Food and beverage make up the largest share, 52% of the total. ViiV Healthcare Company paid the most, $127.
General payments to Katherine Huynh by kind, 2025 to 2025
- Food and beverage$9652%
- Gifts$8848%
Companies that paid Katherine Huynh 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 Katherine J. Huynh'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 Katherine J. Huynh
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What is Katherine J. Huynh's NPI number?
Katherine J. Huynh's NPI number is 1174640502. It was assigned on March 22, 2007, and it is active in the NPI Registry.
What does Katherine J. Huynh specialize in?
Katherine J. Huynh is a physician assistant in Philadelphia, Pennsylvania. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Katherine J. Huynh practice?
Katherine Huynh practices at 1200 Callowhill Street, Phila, PA 19123. Katherine Huynh also practices at 5501 Old York Rd, Philadelphia, PA 19141. Katherine Huynh's primary practice is PHMC Health Callowhill - Phila (Callowhill St) in Phila, Pennsylvania. Dmand AI also links Katherine Huynh to 1 community health center and 1 medical group.
What is Katherine J. Huynh's office phone number?
The practice phone on file for Katherine Huynh is (215) 787-9617.
What is Katherine J. Huynh's medical license number?
Katherine Huynh holds Pennsylvania license MA051539.
What medical group is Katherine J. Huynh part of?
Katherine Huynh is linked to Public Health Management Corporation. Dmand AI links Katherine Huynh to 1 more medical group.
Has Katherine J. Huynh received payments from drug or device companies?
CMS Open Payments shows $184 in general payments to Katherine Huynh from 3 companies from 2025 to 2025. The largest total came from ViiV Healthcare Company.
How long has Katherine J. Huynh been practicing?
Katherine Huynh's NPI was assigned in 2007.
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