Dr. Sarah N. Hwang, MD
- Medicare services, 2020
- 2,223
- Part D claims, 2021
- 14
- Hospital affiliations
- 1
- Industry payments
- $8,083
- State license
- 1
- Practice address
- 7901 Walker Street, La Palma, CA 90623
- Practice phone
- Call (714) 670-7400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hwang'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. Sarah N. Hwang is a rheumatologist in La Palma, California
Dr. Hwang practices at La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services.
Dr. Hwang's NPI, 1588682926, was assigned on July 17, 2006. Dr. Hwang holds California license G62229.
- NPI
- 1588682926NPI Registry (opens in a new tab)
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Practice phone
- (714) 670-7400
- 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 Dmand AI Affiliation Data
Dr. Sarah N. Hwang practices at La Palma Intercommunity Hospital in La Palma, California
Dr. Hwang's primary practice is La Palma Intercommunity Hospital, at 7901 Walker Street, La Palma, CA 90623 in Orange County. The practice phone is (714) 670-7400.
- La Palma Intercommunity Hospital7901 Walker Street, La Palma, CA 90623 · Orange CountyPhone(714) 670-7400
Source: Dmand AI Affiliation Data
Dr. Sarah N. Hwang is affiliated with 1 site of care
Dr. Hwang's primary practice is La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sarah N. Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| La Palma Intercommunity Hospital | 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 Prime Healthcare Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sarah N. Hwang is one of 821 rheumatologists in California
Rheumatology is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Hwang is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Rheumatologists near Dr. Hwang
Counts of rheumatologists 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. Sarah N. Hwang billed Medicare for 2,223 services in 2020
CMS data shows 2,223 Medicare services from Dr. Hwang across 11 procedure codes in 2020. Medicare paid $61,175 for them. Every service was in an office.
Dr. Hwang's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Drugs given in the office
- 2019: 1,7762020: 1,7621%
- Office and hospital visits
- 2019: 5192020: 26250%
- Tests and treatments
- 2019: 1262020: 10517%
- Surgery
- 2019: 1832020: 7957%
- Imaging
- 2019: 782020: 1581%
Dr. Hwang compared with the California median for rheumatologists, 2020
- Dr. Hwang
- California median
- Medicare services
- 2,223vs 9002.5 times
- Part D claims
- 14vs 96299% below
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Hwang's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Hwang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hwang and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarah N. Hwang's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 64, with 76% women.
Dr. Hwang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women76%
- Men22%
Source: Dmand AI Patient Panel Data
Dr. Sarah N. Hwang wrote 14 Medicare Part D claims in 2021
In 2021, Dr. Hwang wrote 14 Medicare Part D claims. They cover 1 drug, with $21,456 in total drug cost. In 2020, CMS named 1,690 claims across 32 drugs.
Dr. Hwang's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1,6902021: 1499%
Drugs named by CMS: 1 in 2021, 32 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Sarah N. Hwang received $8,083 in industry payments from 2016 to 2020
CMS Open Payments shows 554 general payments to Dr. Hwang from 32 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $956.
General payments to Dr. Hwang by program year, 2016 to 2020
General payments to Dr. Hwang by kind, 2016 to 2020
- Food and beverage$8,045100%
- Education$380%
Companies that paid Dr. Hwang the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sarah N. Hwang'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Sarah N. Hwang
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. Sarah N. Hwang's NPI number?
Dr. Sarah N. Hwang's NPI number is 1588682926. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarah N. Hwang?
Dr. Sarah N. Hwang is a rheumatologist in La Palma, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Sarah N. Hwang practice?
Dr. Hwang practices at 7901 Walker Street, La Palma, CA 90623. Dr. Hwang's primary practice is La Palma Intercommunity Hospital in La Palma, California, part of Prime Healthcare Services.
What is Dr. Sarah N. Hwang's office phone number?
The practice phone on file for Dr. Hwang is (714) 670-7400.
What is Dr. Sarah N. Hwang's medical license number?
Dr. Hwang holds California license G62229.
Which hospitals is Dr. Sarah N. Hwang affiliated with?
Dr. Hwang practices at La Palma Intercommunity Hospital in La Palma, California.
Does Dr. Sarah N. Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 2,223 services in 2020.
What services does Dr. Sarah N. Hwang bill to Medicare?
In 2020, Dr. Hwang's most billed Medicare services were injected or infused drug (J0897), office visit, established patient (99214) and surgery: bones and joints (20611).
What drugs does Dr. Sarah N. Hwang prescribe most?
In 2021 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Actemra.
Has Dr. Sarah N. Hwang received payments from drug or device companies?
CMS Open Payments shows $8,083 in general payments to Dr. Hwang from 32 companies from 2016 to 2020. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Sarah N. Hwang been practicing?
Dr. Hwang's NPI was assigned in 2006.
Selling to rheumatology practices?
See rheumatologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card