Dr. Alexander Chiang, MD
- Medicare services, 2024
- 80
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 146
- MIPS score, 2024
- 84
- Hospital affiliations
- 2
- Practice address
- 200 Medical Plz, Los Angeles, CA 90024
- Practice phone
- Call (310) 794-9206
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Peter Morton UCLA Medical Building
Los Angeles, California
Find Dr. Chiang'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. Alexander Chiang is an OB-GYN in Los Angeles, California
Dr. Chiang practices at Peter Morton UCLA Medical Building in Los Angeles, California.
Dr. Chiang's NPI, 1083931521, was assigned on April 23, 2010. Dr. Chiang graduated from UC Irvine School of Medicine in 2010. Dr. Chiang holds California license A120316.
- NPI
- 1083931521NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648495937
- NPI enumeration date
- April 23, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 794-9206
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Chiang practices at Peter Morton UCLA Medical Building in Los Angeles, California
Dr. Chiang's primary practice is Peter Morton UCLA Medical Building, at 200 Medical Plz, Los Angeles, CA 90024 in Los Angeles County. The practice phone is (310) 794-9206.
- Peter Morton UCLA Medical Building200 Medical Plz, Los Angeles, CA 90024 · Los Angeles CountyPhone(310) 794-9206
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alexander Chiang is affiliated with 4 sites of care and 1 medical group
Dr. Chiang's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dr. Chiang is also affiliated with Ronald Reagan UCLA Medical Center. The medical group on file is UCLA Health Westwood OBGYN. Dmand AI also links Dr. Chiang to 1 more hospital and 1 group practice or clinic, each 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 Dr. Alexander Chiang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chiang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Peter Morton UCLA Medical Building | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alexander Chiang is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Chiang's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chiang is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology. Dr. Chiang is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
Clinical focus
Dmand AI lists menopause, ovarian cyst and vaginal infection among the conditions Dr. Chiang treats.
OB-GYNs near Dr. Chiang
Counts of OB-GYNs 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. Alexander Chiang billed Medicare for 80 services in 2024
CMS data shows 80 Medicare services from Dr. Chiang across 2 procedure codes in 2024, for 49 Medicare patients. Medicare paid $3,039 for them. Every service was in an office.
Dr. Chiang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 202024: 80300%
- Imaging
- 2023: 142024: 0100%
Dr. Chiang compared with the California median for OB-GYNs, 2024
- Dr. Chiang
- California median
- Medicare services
- 80vs 5838% above
- Medicare patients
- 49vs 526% below
- Part D claims
- 65vs 3586% above
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Chiang'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chiang and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Chiang treated 49 Medicare patients in 2024, average age 69
CMS counts 49 Medicare patients who saw Dr. Chiang in 2024. The largest group is 65 to 74, with 29 patients. 65% of them have high cholesterol, and 53% have high blood pressure. 24% are also on Medicaid. Their average risk score is 0.86, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chiang's median patient age at 39, with 96% women.
Dr. Chiang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Chiang's Medicare patients, 2024
- High cholesterol65%
- High blood pressure53%
- Arthritis43%
- Anxiety29%
- Mood disorders22%
- Osteoporosis22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chiang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women96%
- Men2%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Chiang wrote 146 Medicare Part D claims in 2024
In 2024, Dr. Chiang wrote 146 Medicare Part D claims for 42 patients. 69% of them were for generic drugs. CMS names the drug for 65 of them, across 4 drugs with 11 or more claims each, at $5,087 in total drug cost. In 2023, CMS named 15 claims across 1 drug.
Dr. Chiang's Part D claims by kind of drug, 2024
- Generic101 claims69%
- Brand-name45 claims31%
Dr. Chiang'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. Chiang's Part D claims, 2024
- Antibiotics14%21 of 146 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: 152024: 65333%
Drugs named by CMS: 4 in 2024, 1 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. Alexander Chiang scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Chiang for performance year 2024, reported as part of a group. Dr. Chiang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chiang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Chiang's MIPS scores, performance year 2024
- 84of 100Final score
- 76.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 68of 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. Alexander Chiang received $5,984 in industry payments from 2016 to 2025
CMS Open Payments shows 24 general payments to Dr. Chiang from 9 drug and device companies from 2016 to 2025. Education make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $5,238.
General payments to Dr. Chiang by program year, 2016 to 2025
General payments to Dr. Chiang by kind, 2016 to 2025
- Education$3,75063%
- Food and beverage$1,70028%
- Travel and lodging$5349%
Companies that paid Dr. Chiang 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. Alexander Chiang has 1 award and honors on record
Dmand AI lists 1 award for Dr. Chiang.
Awards and honors for Dr. Chiang
- Undated
- AOA
Source: Dmand AI Professional Profile Data
Dr. Alexander Chiang graduated from UC Irvine School of Medicine
Dr. Chiang graduated from UC Irvine School of Medicine in 2010.
- Medical school
- Board certified in obstetrics & gynecology
Source: Dmand AI Professional Profile Data
Dr. Alexander Chiang accepts plans from 14 insurance carriers
Dr. Chiang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +6 more carriersWith a free account
Plan types Dr. Chiang accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Alexander Chiang'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Alexander Chiang
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. Alexander Chiang's NPI number?
Dr. Alexander Chiang's NPI number is 1083931521. It was assigned on April 23, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Chiang?
Dr. Alexander Chiang is an OB-GYN in Los Angeles, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Alexander Chiang practice?
Dr. Chiang practices at 200 Medical Plz, Los Angeles, CA 90024. Dr. Chiang's primary practice is Peter Morton UCLA Medical Building in Los Angeles, California. Dmand AI also links Dr. Chiang to 1 hospital and 1 group practice or clinic.
What is Dr. Alexander Chiang's office phone number?
The practice phone on file for Dr. Chiang is (310) 794-9206.
What is Dr. Alexander Chiang's medical license number?
Dr. Chiang holds California license A120316.
Which hospitals is Dr. Alexander Chiang affiliated with?
Dr. Chiang is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Chiang to 1 more hospital.
What medical group is Dr. Alexander Chiang part of?
Dr. Chiang is linked to UCLA Health Westwood OBGYN.
Does Dr. Alexander Chiang accept Medicare?
Yes. CMS data shows Dr. Chiang billed Medicare for 80 services in 2024, and Dr. Chiang accepts Medicare assignment.
Does Dr. Alexander Chiang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chiang as offering telehealth services.
What is Dr. Alexander Chiang's MIPS score?
Dr. Chiang's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
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How many Medicare patients does Dr. Alexander Chiang see?
CMS counts 49 Medicare patients who saw Dr. Chiang in 2024, with an average age of 69.
Is Dr. Alexander Chiang board certified?
Yes. Dr. Chiang is board certified in obstetrics & gynecology by the American Board of Obstetrics and Gynecology.
What services does Dr. Alexander Chiang bill to Medicare?
In 2024, Dr. Chiang's most billed Medicare services were care management and other visits (99459) and office visit, established patient (99213).
Where did Dr. Alexander Chiang go to medical school?
Dr. Chiang graduated from UC Irvine School of Medicine in 2010.
What drugs does Dr. Alexander Chiang prescribe most?
In 2024 Medicare Part D data, Dr. Chiang's most prescribed drugs by claims were Estradiol, Progesterone and Estradiol (Twice Weekly).
Has Dr. Alexander Chiang received payments from drug or device companies?
CMS Open Payments shows $5,984 in general payments to Dr. Chiang from 9 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Alexander Chiang been practicing?
Dr. Chiang graduated from medical school in 2010, 16 years ago.
What insurance does Dr. Alexander Chiang accept?
Dr. Chiang is in network with 14 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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