J Osteopath Med
Dr. Daniel W. Giang, MD
- Medicare services, 2020
- 194
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 191
- Publications
- 13
- Clinical trials
- 1
- Practice address
- 1454 E. Second St, San Bernardino, CA 92408
- Practice phone
- Call (909) 382-7180
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SAC Health - Norton
FQHC - Main Site · San Bernardino, California
Find Dr. Giang'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. Daniel W. Giang is a neurologist in San Bernardino, California
Dr. Giang practices at SAC Health - Norton in San Bernardino, California.
Dr. Giang's NPI, 1568492635, was assigned on July 4, 2006. Dr. Giang graduated from Loma Linda University School Of Medicine in 1983. Dr. Giang holds California license G52932.
- NPI
- 1568492635NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092732289
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 382-7180
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Daniel W. Giang practices at SAC Health - Norton in San Bernardino, California
Dr. Giang's primary practice is SAC Health - Norton, at 1454 E. Second St, San Bernardino, CA 92408 in San Bernardino County. The practice phone is (909) 382-7180.
- SAC Health - Norton1454 E. Second St, San Bernardino, CA 92408 · San Bernardino CountyPhone(909) 382-7180
Source: Dmand AI Affiliation Data
Dr. Daniel W. Giang is affiliated with 4 sites of care and 2 medical groups
Dr. Giang's primary practice is SAC Health - Norton in San Bernardino, California. Dr. Giang is also affiliated with Loma Linda University Medical Center. The medical group on file is Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI also links Dr. Giang to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Giang's employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Daniel W. Giang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Giang practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SAC Health - Norton | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Daniel W. Giang is one of 2,207 neurologists in California
Neurology is Dr. Giang's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Giang is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Giang's licenses on file in 2 states: California and New York.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- New York license
Clinical focus
Dmand AI lists multiple sclerosis among the conditions Dr. Giang treats.
Neurologists near Dr. Giang
Counts of neurologists 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. Daniel W. Giang billed Medicare for 194 services in 2020
CMS data shows 194 Medicare services from Dr. Giang across 2 procedure codes in 2020, for 15 Medicare patients. Medicare paid $5,685 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Giang's Medicare services by type, 2016 to 2020
- 2016
- 2020
- Other services
- 2016: 1592020: 17510%
- Tests and treatments
- 2016: 132020: 1946%
Dr. Giang compared with the California median for neurologists, 2020
- Dr. Giang
- California median
- Medicare services
- 194vs 40452% below
- Medicare patients
- 15vs 19092% below
- Part D claims
- 85vs 32474% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Giang'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. Giang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Giang and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Daniel W. Giang treated 15 Medicare patients in 2024, average age 67
CMS counts 15 Medicare patients who saw Dr. Giang in 2024. The largest group is 85 and over, with 0 patients. 73% of them have arthritis, and 73% have high cholesterol. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Giang's median patient age at 45, with 69% women.
Dr. Giang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Giang's Medicare patients, 2024
- Arthritis73%
- High cholesterol73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Giang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 45
Patient panel by sex, all payers
- Women69%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Daniel W. Giang wrote 191 Medicare Part D claims in 2024
In 2024, Dr. Giang wrote 191 Medicare Part D claims for 26 patients. 92% of them were for generic drugs. CMS names the drug for 85 of them, across 4 drugs with 11 or more claims each, at $2,480 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Giang's Part D claims by kind of drug, 2024
- Generic175 claims92%
- Brand-name16 claims8%
Dr. Giang'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 492024: 8573%
Drugs named by CMS: 4 in 2024, 3 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
Dr. Daniel W. Giang scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Giang for performance year 2024, reported as part of a group. Dr. Giang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Giang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Giang's MIPS scores, performance year 2024
- 89of 100Final score
- 72.1of 100Quality
- 80of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Daniel W. Giang has 13 publications on record
Dmand AI links 13 papers to Dr. Giang in 2022. The most frequent topics are Multiple Sclerosis, Magnetic Resonance Imaging and Brain. Dr. Giang has published most often in Arch Neurol. Dr. Giang's most frequent co-authors are Randolph B. Schiffer, MD, Jessica Linda Bienstock, MD and John Maurice Byrne.
Topics Dr. Giang writes about most
- Multiple Sclerosis
- Magnetic Resonance Imaging
- Brain
- Internship and Residency
- Brain Neoplasms
- Diagnosis, Differential
- Double-Blind Method
- Education, Medical, Graduate
Dr. Giang's most frequent co-authors
- Randolph B. Schiffer, MD2 shared papers
- Jessica Linda Bienstock, MD1 shared paper
- John Maurice Byrne1 shared paper
Recent publications by Dr. Giang
Arch Neurol
See who Dr. Giang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Giang works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel W. Giang has worked on 1 clinical trial
Dmand AI links Dr. Giang to 1 clinical trial. Conditions studied include Multiple Sclerosis and Demyelinating Autoimmune Diseases, CNS.
Conditions in Dr. Giang's trials
- Multiple Sclerosis
- Demyelinating Autoimmune Diseases, CNS
Investigators on the most trials with Dr. Giang
- Mark Angel Agius, MD1 shared trial
- Francois A. Bethoux, MD1 shared trial
- Aaron Lee Boster, MD1 shared trial
Recent clinical trials with Dr. Giang
Study of Fampridine-ER Tablets in Patients With Multiple Sclerosis (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Daniel W. Giang received $381 in industry payments from 2021 to 2024
CMS Open Payments shows 7 general payments to Dr. Giang from 4 drug and device companies from 2021 to 2024. Education make up the largest share, 54% of the total. Alexion Pharmaceuticals, Inc. paid the most, $200.
General payments to Dr. Giang by program year, 2021 to 2024
General payments to Dr. Giang by kind, 2021 to 2024
- Education$20554%
- Consulting fees$15039%
- Food and beverage$267%
Companies that paid Dr. Giang the most, 2021 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Daniel W. Giang graduated from Loma Linda University School Of Medicine
Dr. Giang graduated from Loma Linda University School Of Medicine in 1983.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Daniel W. Giang accepts plans from 7 insurance carriers
Dr. Giang is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Molina
- Regence Health Plans
- CMS Medicare
Plan types Dr. Giang accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel W. Giang'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 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)Clinician Public Reporting: Overall MIPS Performance (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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 |
| 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. Daniel W. Giang
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. Daniel W. Giang's NPI number?
Dr. Daniel W. Giang's NPI number is 1568492635. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel W. Giang?
Dr. Daniel W. Giang is a neurologist in San Bernardino, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Daniel W. Giang practice?
Dr. Giang practices at 1454 E. Second St, San Bernardino, CA 92408. Dr. Giang's primary practice is SAC Health - Norton in San Bernardino, California. Dmand AI also links Dr. Giang to 2 group practices and clinics and 1 medical group.
What is Dr. Daniel W. Giang's office phone number?
The practice phone on file for Dr. Giang is (909) 382-7180.
What is Dr. Daniel W. Giang's medical license number?
Dr. Giang holds California license G52932, one of the licenses on file in 2 states.
Which states has Dr. Daniel W. Giang been licensed in?
Dmand AI has state licenses on file for Dr. Giang in California (1996 to 2027) and New York (1985 to 1996).
Which hospitals is Dr. Daniel W. Giang affiliated with?
Dr. Giang is affiliated with Loma Linda University Medical Center.
What medical group is Dr. Daniel W. Giang part of?
Dr. Giang is linked to Loma Linda University Faculty Medical Group (LLUFMG). Dmand AI links Dr. Giang to 1 more medical group.
Does Dr. Daniel W. Giang accept Medicare?
Yes. CMS data shows Dr. Giang billed Medicare for 194 services in 2020, and Dr. Giang accepts Medicare assignment.
Does Dr. Daniel W. Giang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Giang as offering telehealth services.
Show 11 more questionsShow fewer questions
What is Dr. Daniel W. Giang's MIPS score?
Dr. Giang's MIPS final score for performance year 2024 is 89 out of 100, reported as part of a group.
How many Medicare patients does Dr. Daniel W. Giang see?
CMS counts 15 Medicare patients who saw Dr. Giang in 2024, with an average age of 67.
Is Dr. Daniel W. Giang board certified?
Yes. Dr. Giang is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Daniel W. Giang bill to Medicare?
In 2020, Dr. Giang's most billed Medicare services were medicare service (G0453) and nerve and brain test (95938).
Where did Dr. Daniel W. Giang go to medical school?
Dr. Giang graduated from Loma Linda University School Of Medicine in 1983.
What drugs does Dr. Daniel W. Giang prescribe most?
In 2024 Medicare Part D data, Dr. Giang's most prescribed drugs by claims were Dalfampridine ER, Gabapentin and Duloxetine HCl.
Has Dr. Daniel W. Giang received payments from drug or device companies?
CMS Open Payments shows $381 in general payments to Dr. Giang from 4 companies from 2021 to 2024. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Daniel W. Giang been practicing?
Dr. Giang graduated from medical school in 1983, 43 years ago.
Does Dr. Daniel W. Giang do research?
Dmand AI links 13 publications to Dr. Giang. Dr. Giang has worked on 1 clinical trial.
Who does Dr. Daniel W. Giang publish with?
Dr. Giang's most frequent co-authors are Randolph B. Schiffer, MD (2 shared papers), Jessica Linda Bienstock, MD (1 shared paper) and John Maurice Byrne (1 shared paper).
What insurance does Dr. Daniel W. Giang accept?
Dr. Giang is in network with 7 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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