Clinical Decision-MakingConfidence IntervalsEndocrinologists
Dr. Stephanie Sylvia Hwang, MD
NPI1285992115PAC ID4082929468
- Medicare services, 2016
- 15
- Part D claims, 2024
- 211
- Publications
- 2
- Hospital affiliations
- 2
- Industry payments
- $7,474
- Practice address
- 13652 Cantara St, Panorama City, CA 91402
- Practice phone
- Call (818) 375-2000
- 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
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Dr. Stephanie Sylvia Hwang is a general surgeon in Panorama City, California
Dr. Hwang practices at Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente.
Dr. Hwang's NPI, 1285992115, was assigned on April 28, 2012. Dr. Hwang graduated from Keck School of Medicine of USC in 2010. Dr. Hwang holds California license A118285.
NPI and contact details
- NPI
- 1285992115NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082929468
- NPI enumeration date
- April 28, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (818) 375-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephanie Sylvia Hwang practices at Panorama City Medical Center in Panorama City, California
Dr. Hwang's primary practice is Panorama City Medical Center, at 13652 Cantara St, Panorama City, CA 91402 in Los Angeles County. The practice phone is (818) 375-2000.
- Panorama City Medical Center13652 Cantara St, Panorama City, CA 91402 · Los Angeles CountyPhone(818) 375-2000
Source: Dmand AI Affiliation Data
Dr. Stephanie Sylvia Hwang is affiliated with 2 sites of care and 1 medical group
Dr. Hwang's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente. Dr. Hwang is also affiliated with Scripps Green Hospital. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Stephanie Sylvia Hwang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hwang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Panorama City Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephanie Sylvia Hwang is one of 2,926 general surgeons in California
Surgery is Dr. Hwang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hwang is board certified in surgery by the American Board of Surgery. Dr. Hwang is licensed in California.
Specialties and state licenses
- Surgery, CaliforniaPrimary
General surgeons near Dr. Hwang
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California15general surgeons in Panorama City14general surgeons at Panorama City Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Stephanie Sylvia Hwang billed Medicare for 15 services in 2016
CMS data shows 15 Medicare services from Dr. Hwang across 1 procedure code in 2016. Medicare paid $865 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201615
Paid by Medicare$865
Procedure codes1
Dr. Hwang compared with the California median for general surgeons, 2016
- Dr. Hwang
- California median
- Medicare services
- 15vs 16691% below
- Part D claims
- 188vs 345.5 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Hwang's most billed Medicare procedure codes, 2016
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 general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephanie Sylvia Hwang's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Hwang's median patient age at 54, with 44% 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 54
Patient panel by sex, all payers
- Women44%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Stephanie Sylvia Hwang wrote 211 Medicare Part D claims in 2024
In 2024, Dr. Hwang wrote 211 Medicare Part D claims for 86 patients. 100% of them were for generic drugs. CMS names the drug for 188 of them, across 4 drugs with 11 or more claims each, at $1,781 in total drug cost. In 2023, CMS named 193 claims across 4 drugs.
Part D claims, 2024211
Drugs named by CMS4
Total drug cost$1,781
Part D patients86
Dr. Hwang'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. Hwang's Part D claims, 2024
- Opioids36%76 of 211 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: 1932024: 1883%
Drugs named by CMS: 4 in 2024, 4 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
How Dr. Stephanie Sylvia Hwang takes part in Medicare
Dr. Hwang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephanie Sylvia Hwang has 2 publications on record
Dmand AI links 2 papers to Dr. Hwang in 2016. 2016 was the busiest year, with 2. Dr. Hwang's most frequent co-authors are Ken Fujioka, MD, William D. Fuller, MD and Philip Ian Haigh, MD.
Papers2
Dr. Hwang's most frequent co-authors
Recent publications by Dr. Hwang
See who Dr. Hwang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hwang works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Stephanie Sylvia Hwang received $7,474 in industry payments from 2016 to 2025
CMS Open Payments shows 56 general payments to Dr. Hwang from 13 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 42% of the total. Intuitive Surgical, Inc. paid the most, $4,765.
General payments to Dr. Hwang by program year, 2016 to 2025
General payments to Dr. Hwang by kind, 2016 to 2025
$7.5Kin total
- Travel and lodging$3,12642%
- Education$2,50033%
- Food and beverage$1,84825%
Companies that paid Dr. Hwang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephanie Sylvia Hwang graduated from Keck School of Medicine of USC
Dr. Hwang graduated from Keck School of Medicine of USC in 2010.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Stephanie Sylvia Hwang accepts plans from 5 insurance carriers
Dr. Hwang is in network with 5 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
- Elevance
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- HCSC
- CMS Medicare
Plan types Dr. Hwang accepts, by number of carriers
- Medicare4
- PPO3
- EPO2
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Stephanie Sylvia 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)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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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. Stephanie Sylvia 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. Stephanie Sylvia Hwang's NPI number?
Dr. Stephanie Sylvia Hwang's NPI number is 1285992115. It was assigned on April 28, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephanie Sylvia Hwang?
Dr. Stephanie Sylvia Hwang is a general surgeon in Panorama City, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stephanie Sylvia Hwang practice?
Dr. Hwang practices at 13652 Cantara St, Panorama City, CA 91402. Dr. Hwang's primary practice is Panorama City Medical Center in Panorama City, California, part of Kaiser Permanente.
What is Dr. Stephanie Sylvia Hwang's office phone number?
The practice phone on file for Dr. Hwang is (818) 375-2000.
What is Dr. Stephanie Sylvia Hwang's medical license number?
Dr. Hwang holds California license A118285.
Which hospitals is Dr. Stephanie Sylvia Hwang affiliated with?
Dr. Hwang practices at Panorama City Medical Center in Panorama City, California. Dr. Hwang is also affiliated with Scripps Green Hospital.
What medical group is Dr. Stephanie Sylvia Hwang part of?
Dr. Hwang is linked to Southern California Permanente Medical Group.
Does Dr. Stephanie Sylvia Hwang accept Medicare?
Yes. CMS data shows Dr. Hwang billed Medicare for 15 services in 2016, and Dr. Hwang accepts Medicare assignment.
Is Dr. Stephanie Sylvia Hwang board certified?
Yes. Dr. Hwang is board certified in surgery by the American Board of Surgery.
What services does Dr. Stephanie Sylvia Hwang bill to Medicare?
In 2016, Dr. Hwang's most billed Medicare services were surgery: digestive system (49650).
Show 7 more questionsShow fewer questions
Where did Dr. Stephanie Sylvia Hwang go to medical school?
Dr. Hwang graduated from Keck School of Medicine of USC in 2010.
What drugs does Dr. Stephanie Sylvia Hwang prescribe most?
In 2024 Medicare Part D data, Dr. Hwang's most prescribed drugs by claims were Gabapentin, Tramadol HCl and Ondansetron ODT.
Has Dr. Stephanie Sylvia Hwang received payments from drug or device companies?
CMS Open Payments shows $7,474 in general payments to Dr. Hwang from 13 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Stephanie Sylvia Hwang been practicing?
Dr. Hwang graduated from medical school in 2010, 16 years ago.
Does Dr. Stephanie Sylvia Hwang do research?
Dmand AI links 2 publications to Dr. Hwang.
Who does Dr. Stephanie Sylvia Hwang publish with?
Dr. Hwang's most frequent co-authors are Ken Fujioka, MD (1 shared paper), William D. Fuller, MD (1 shared paper) and Philip Ian Haigh, MD (1 shared paper).
What insurance does Dr. Stephanie Sylvia Hwang accept?
Dr. Hwang is in network with 5 carriers, including Elevance, Kaiser Permanente and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 4. Check the plan with the practice before a visit.
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