Dr. Holly Nguyen Diep, MD
- Part D claims, 2024
- 106
- Medical group
- 1
- Insurance carriers
- 1
- State licenses
- 15
- Year NPI issued
- 2007
- Practice address
- 441 N Lakeview Ave, Anaheim, CA 92807
- Practice phone
- Call (714) 279-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Anaheim, California
Find Dr. Diep'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. Holly Nguyen Diep is a pediatrician in Anaheim, California
Dr. Diep practices at Southern California Permanente Medical Group in Anaheim, California.
Dr. Diep's NPI, 1164626214, was assigned on June 13, 2007. Dr. Diep graduated from UC San Diego School of Medicine in 2004. Dr. Diep holds California license A95539.
- NPI
- 1164626214NPI Registry (opens in a new tab)
- NPI enumeration date
- June 13, 2007
- NPI status
- Active
- Practice phone
- (714) 279-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Holly Nguyen Diep practices at Southern California Permanente Medical Group in Anaheim, California
Dr. Diep's primary practice is Southern California Permanente Medical Group, at 441 N Lakeview Ave, Anaheim, CA 92807 in Orange County. The practice phone is (714) 279-4000.
- Southern California Permanente Medical Group441 N Lakeview Ave, Anaheim, CA 92807 · Orange CountyPhone(714) 279-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Holly Nguyen Diep is affiliated with 1 site of care and 1 medical group
Dr. Diep's primary practice is Southern California Permanente Medical Group in Anaheim, California. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Holly Nguyen Diep's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diep practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Holly Nguyen Diep is one of 8,236 pediatricians in California
Pediatrics is Dr. Diep's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Diep is board certified in pediatrics by the American Board of Pediatrics. Dmand AI has Dr. Diep's licenses on file in 15 states: California, Florida, South Dakota, Arizona, Iowa, Montana, New Mexico, Nevada, Ohio, Alaska, Hawaii, Idaho, Illinois, Kentucky and Louisiana.
Specialties and state licenses
- Pediatrics, CaliforniaPrimary
- Florida license
- South Dakota license
- Arizona license
- Iowa license
- Montana license
- New Mexico license
- Nevada license
- Ohio license
- Alaska license
- Hawaii license
- Idaho license
- Illinois license
- Kentucky license
- Louisiana license
Pediatricians near Dr. Diep
Counts of pediatricians 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. Holly Nguyen Diep's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Dr. Diep's median patient age at 8, with 52% women.
Dr. Diep's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women52%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Holly Nguyen Diep wrote 106 Medicare Part D claims in 2024
In 2024, Dr. Diep wrote 106 Medicare Part D claims for 103 patients. 93% of them were for generic drugs. CMS names the drug for 67 of them, across 3 drugs with 11 or more claims each, at $683 in total drug cost. In 2023, CMS named 179 claims across 6 drugs.
Dr. Diep's Part D claims by kind of drug, 2024
- Generic99 claims93%
- Brand-name and other7 claims7%
Dr. Diep'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. Diep's Part D claims, 2024
- Antibiotics83%88 of 106 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: 1792024: 6763%
Drugs named by CMS: 3 in 2024, 6 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
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Dr. Holly Nguyen Diep graduated from UC San Diego School of Medicine
Dr. Diep graduated from UC San Diego School of Medicine in 2004.
- Medical school
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Holly Nguyen Diep accepts plans from 1 insurance carrier
Dr. Diep is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
Plan types Dr. Diep accepts, by number of carriers
- EPO1
- HMO1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Holly Nguyen Diep'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 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Holly Nguyen Diep
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. Holly Nguyen Diep's NPI number?
Dr. Holly Nguyen Diep's NPI number is 1164626214. It was assigned on June 13, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Holly Nguyen Diep?
Dr. Holly Nguyen Diep is a pediatrician in Anaheim, California. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Holly Nguyen Diep practice?
Dr. Diep practices at 441 N Lakeview Ave, Anaheim, CA 92807. Dr. Diep's primary practice is Southern California Permanente Medical Group in Anaheim, California.
What is Dr. Holly Nguyen Diep's office phone number?
The practice phone on file for Dr. Diep is (714) 279-4000.
What is Dr. Holly Nguyen Diep's medical license number?
Dr. Diep holds California license A95539, one of the licenses on file in 15 states.
Which states has Dr. Holly Nguyen Diep been licensed in?
Dmand AI has state licenses on file for Dr. Diep in California (2006 to 2026), Florida (since 2023), South Dakota, Arizona (2023 to 2027), Iowa (2023 to 2027), Montana (2023 to 2027), New Mexico (2023 to 2027), Nevada (2023 to 2027), Ohio (2023 to 2027), Alaska (2023 to 2026), Hawaii (2022 to 2026), Idaho (2023 to 2026), Illinois (2023 to 2026), Kentucky (2023 to 2026) and Louisiana (2023 to 2026).
What medical group is Dr. Holly Nguyen Diep part of?
Dr. Diep is linked to Southern California Permanente Medical Group.
Is Dr. Holly Nguyen Diep board certified?
Yes. Dr. Diep is board certified in pediatrics by the American Board of Pediatrics.
Where did Dr. Holly Nguyen Diep go to medical school?
Dr. Diep graduated from UC San Diego School of Medicine in 2004.
What drugs does Dr. Holly Nguyen Diep prescribe most?
In 2024 Medicare Part D data, Dr. Diep's most prescribed drugs by claims were Nitrofurantoin Mono-Macro, Amoxicillin and Cefadroxil.
How long has Dr. Holly Nguyen Diep been practicing?
Dr. Diep graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Holly Nguyen Diep accept?
Dr. Diep is in network with 1 carrier, including Kaiser Permanente. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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