Crystal Huynh, PA-C
- Medicare services, 2024
- 205
- Medicare patients, 2024
- 36
- Part D claims, 2024
- 497
- Industry payments
- $1,704
- Affiliated sites
- 1
- Practice address
- 2141 N Harbor Blvd, Fullerton, CA 92835
- Practice phone
- Call (714) 449-4900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Foundation
Fullerton, California
Find Crystal Huynh's professional email, personal email and mobile number
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Crystal Huynh is a physician assistant in Fullerton, California
Crystal Huynh practices at Providence Medical Foundation in Fullerton, California.
Crystal Huynh's NPI, 1093147712, was assigned on August 5, 2013. Crystal Huynh holds California license 23135.
- NPI
- 1093147712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981830783
- NPI enumeration date
- August 5, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 449-4900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Crystal Huynh practices at Providence Medical Foundation in Fullerton, California
Crystal Huynh's primary practice is Providence Medical Foundation, at 2141 N Harbor Blvd, Fullerton, CA 92835 in Orange County. The practice phone is (714) 449-4900.
- Providence Medical Foundation2141 N Harbor Blvd, Fullerton, CA 92835 · Orange CountyPhone(714) 449-4900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Crystal Huynh is affiliated with 2 sites of care and 1 medical group
Crystal Huynh's primary practice is Providence Medical Foundation in Fullerton, California. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Crystal Huynh to 1 more group practice or clinic, 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 Crystal Huynh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Crystal Huynh practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Foundation | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Crystal Huynh is one of 2,381 physician assistants in California
Medical is Crystal Huynh's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Crystal Huynh is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Crystal Huynh is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Clinical focus
Dmand AI lists benign or precancerous skin growths, contact dermatitis, psoriasis, scalp rash, skin cyst and skin discoloration among the conditions Crystal Huynh treats.
Physician assistants near Crystal 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
Crystal Huynh billed Medicare for 205 services in 2024
CMS data shows 205 Medicare services from Crystal Huynh across 4 procedure codes in 2024, for 36 Medicare patients. Medicare paid $4,926 for them. Every service was in an office.
Crystal Huynh's Medicare services by type, 2024
- Surgery169
- Office and hospital visits36
Crystal Huynh compared with the California median for physician assistants, 2024
- Crystal Huynh
- California median
- Medicare services
- 205vs 27826% below
- Medicare patients
- 36vs 11669% below
- Part D claims
- 452vs 440Close to median
Medians across 1,473 physician assistants in California with Dmand AI profiles that report each measure.
Crystal Huynh'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
Crystal Huynh treated 36 Medicare patients in 2024, average age 74
CMS counts 36 Medicare patients who saw Crystal Huynh in 2024. The largest group is 65 to 74, with 19 patients. 69% of them have high cholesterol, and 56% have high blood pressure. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Crystal Huynh's median patient age at 71, with 59% women.
Crystal Huynh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Crystal Huynh's Medicare patients by sex, 2024
- Women2467%
- Men1233%
Chronic conditions among Crystal Huynh's Medicare patients, 2024
- High cholesterol69%
- High blood pressure56%
- Arthritis47%
Share of Medicare patients with each condition. A patient can have several.
Crystal 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 71
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Crystal Huynh wrote 497 Medicare Part D claims in 2024
In 2024, Crystal Huynh wrote 497 Medicare Part D claims for 179 patients. 93% of them were for generic drugs. CMS names the drug for 452 of them, across 14 drugs with 11 or more claims each, at $83,327 in total drug cost.
Crystal Huynh's Part D claims by kind of drug, 2024
- Generic464 claims93%
- Brand-name33 claims7%
Crystal Huynh'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 Crystal Huynh's Part D claims, 2024
- Antibiotics6%28 of 497 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 Crystal Huynh takes part in Medicare
Crystal Huynh 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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Crystal Huynh received $1,704 in industry payments from 2024 to 2025
CMS Open Payments shows 58 general payments to Crystal Huynh from 15 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 94% of the total. Abbvie Inc. paid the most, $643.
General payments to Crystal Huynh by program year, 2024 to 2025
General payments to Crystal Huynh by kind, 2024 to 2025
- Food and beverage$1,60994%
- Education$956%
Companies that paid Crystal Huynh the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Crystal Huynh is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Crystal 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 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 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 Crystal Huynh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Crystal Huynh's NPI number?
Crystal Huynh's NPI number is 1093147712. It was assigned on August 5, 2013, and it is active in the NPI Registry.
What does Crystal Huynh specialize in?
Crystal Huynh is a physician assistant in Fullerton, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Crystal Huynh practice?
Crystal Huynh practices at 2141 N Harbor Blvd, Fullerton, CA 92835. Crystal Huynh's primary practice is Providence Medical Foundation in Fullerton, California. Dmand AI also links Crystal Huynh to 1 group practice or clinic.
What is Crystal Huynh's office phone number?
The practice phone on file for Crystal Huynh is (714) 449-4900.
What is Crystal Huynh's medical license number?
Crystal Huynh holds California license 23135.
What medical group is Crystal Huynh part of?
Crystal Huynh is linked to St. Jude Heritage Medical Group.
Does Crystal Huynh accept Medicare?
Yes. CMS data shows Crystal Huynh billed Medicare for 205 services in 2024, and Crystal Huynh accepts Medicare assignment.
How many Medicare patients does Crystal Huynh see?
CMS counts 36 Medicare patients who saw Crystal Huynh in 2024, with an average age of 74.
Is Crystal Huynh board certified?
Yes. Crystal Huynh is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What services does Crystal Huynh bill to Medicare?
In 2024, Crystal Huynh's most billed Medicare services were surgery: skin and soft tissue (17003), office visit, established patient (99213) and surgery: skin and soft tissue (17000).
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What drugs does Crystal Huynh prescribe most?
In 2024 Medicare Part D data, Crystal Huynh's most prescribed drugs by claims were Ketoconazole, Triamcinolone Acetonide and Hydrocortisone.
Has Crystal Huynh received payments from drug or device companies?
CMS Open Payments shows $1,704 in general payments to Crystal Huynh from 15 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Crystal Huynh been practicing?
Crystal Huynh graduated from medical school in 2013, 13 years ago.
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