J Neuroophthalmol
Dr. Alexander Seth Fein, MD
NPI1225598238PAC ID5092046169
- Medicare services, 2024
- 197
- Medicare patients, 2024
- 67
- Part D claims, 2023
- 13
- Publications
- 6
- MIPS score, 2024
- 86
- Practice address
- 625 S Fair Oaks Ave, Pasadena, CA 91105
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Ambulatory Surgery Center - HOPD
Acute Care Hospital outpatient department · Pasadena, California
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Dr. Alexander Seth Fein is a neurologist in Pasadena, California
Dr. Fein practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California.
Dr. Fein's NPI, 1225598238, was assigned on March 25, 2019. Dr. Fein graduated from State University of NY Upstate Medical University in 2019. Dr. Fein holds California license A193632.
NPI and contact details
- NPI
- 1225598238NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092046169
- NPI enumeration date
- March 25, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alexander Seth Fein practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California
Dr. Fein's primary practice is Huntington Ambulatory Surgery Center - HOPD, at 625 S Fair Oaks Ave, Pasadena, CA 91105.
- Huntington Ambulatory Surgery Center - HOPD625 S Fair Oaks Ave, Pasadena, CA 91105
Source: Dmand AI Affiliation Data
Dr. Alexander Seth Fein is affiliated with 4 sites of care and 1 medical group
Dr. Fein's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dr. Fein is also affiliated with Ronald Reagan UCLA Medical Center. Dmand AI also links Dr. Fein to 1 more hospital, 1 group practice or clinic and 1 medical group, each named with a free account.
Huntington Ambulatory Surgery Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alexander Seth Fein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fein practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington Ambulatory Surgery Center - HOPD | 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. Alexander Seth Fein is one of 2,207 neurologists in California
Neurology is Dr. Fein's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Fein is licensed in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Fein
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. Alexander Seth Fein billed Medicare for 197 services in 2024
CMS data shows 197 Medicare services from Dr. Fein across 6 procedure codes in 2024, for 67 Medicare patients. Medicare paid $18,732 for them. Every service was in an office.
Medicare services, 2024197
Medicare patients67
Paid by Medicare$18,732
Procedure codes6
Dr. Fein's Medicare services by type, 2024
- Tests and treatments111
- Office and hospital visits86
Dr. Fein compared with the California median for neurologists, 2024
- Dr. Fein
- California median
- Medicare services
- 197vs 40451% below
- Medicare patients
- 67vs 19065% below
- Part D claims
- 13vs 32496% below
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Fein'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. Fein and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alexander Seth Fein treated 67 Medicare patients in 2024, average age 74
CMS counts 67 Medicare patients who saw Dr. Fein in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high cholesterol, and 72% have high blood pressure. Their average risk score is 1.42, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fein's median patient age at 59, with 60% women.
Medicare patients, 202467
Average age74
Average risk score1.42
Dr. Fein's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fein's Medicare patients by sex, 2024
- Women3451%
- Men3349%
Chronic conditions among Dr. Fein's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis52%
- Ischemic heart disease39%
- Diabetes33%
- Stroke or TIA28%
- Cancer24%
- Mood disorders24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alexander Seth Fein wrote 13 Medicare Part D claims in 2023
In 2023, Dr. Fein wrote 13 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $725 in total drug cost. In 2021, CMS named 18 claims across 1 drug.
Part D claims, 202313
Drugs named by CMS1
Total drug cost$725
Dr. Fein's most prescribed drugs by claims, 2023
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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 182023: 1328%
Drugs named by CMS: 1 in 2023, 1 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Alexander Seth Fein scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Fein for performance year 2024, reported as part of a group. Dr. Fein accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fein as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Fein's MIPS scores, performance year 2024
- 86of 100Final score
- 79of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 72of 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 Seth Fein has 6 publications on record
Dmand AI links 6 papers to Dr. Fein, published from 2018 to 2025. 2018 was the busiest year, with 2. Dr. Fein has published most often in J Neuroophthalmol. Dr. Fein's most frequent co-authors are Scott Grossman, MD, Melissa W. Ko, MD and Steven L. Galetta, MD.
Papers6
Years published2018 to 2025
Dr. Fein's papers by year, 2018 to 2025
Dr. Fein's most frequent co-authors
- Scott Grossman, MD2 shared papers
- Melissa W. Ko, MD2 shared papers
- Steven L. Galetta, MD1 shared paper
Recent publications by Dr. Fein
J Neuroophthalmol
AbscessBrainHemianopsia
Semin Neurol
Giant Cell ArteritisOptic Neuropathy, Ischemic
Clin Neurol Neurosurg
AutoantibodiesDiagnostic Techniques, NeurologicalNervous System Diseases
See who Dr. Fein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fein 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. Alexander Seth Fein received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Fein from 1 drug or device company in 2025. Education make up the largest share, 100% of the total. UCB, Inc. paid the most, $15.
Companies that paid Dr. Fein the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alexander Seth Fein graduated from State University of NY Upstate Medical University
Dr. Fein graduated from State University of NY Upstate Medical University in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Alexander Seth Fein accepts plans from 13 insurance carriers
Dr. Fein is in network with 13 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
- +5 more carriersWith a free account
Plan types Dr. Fein accepts, by number of carriers
- PPO9
- Medicare7
- HMO6
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Alexander Seth Fein'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 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) |
| 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 |
| 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. Alexander Seth Fein
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 Seth Fein's NPI number?
Dr. Alexander Seth Fein's NPI number is 1225598238. It was assigned on March 25, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Alexander Seth Fein?
Dr. Alexander Seth Fein is a neurologist in Pasadena, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Alexander Seth Fein practice?
Dr. Fein practices at 625 S Fair Oaks Ave, Pasadena, CA 91105. Dr. Fein's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dmand AI also links Dr. Fein to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Alexander Seth Fein's medical license number?
Dr. Fein holds California license A193632.
Which hospitals is Dr. Alexander Seth Fein affiliated with?
Dr. Fein is affiliated with Ronald Reagan UCLA Medical Center. Dmand AI links Dr. Fein to 1 more hospital.
Does Dr. Alexander Seth Fein accept Medicare?
Yes. CMS data shows Dr. Fein billed Medicare for 197 services in 2024, and Dr. Fein accepts Medicare assignment.
Does Dr. Alexander Seth Fein offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fein as offering telehealth services.
What is Dr. Alexander Seth Fein's MIPS score?
Dr. Fein's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alexander Seth Fein see?
CMS counts 67 Medicare patients who saw Dr. Fein in 2024, with an average age of 74.
What services does Dr. Alexander Seth Fein bill to Medicare?
In 2024, Dr. Fein's most billed Medicare services were office visit, established patient (99215), eye exam or test (92083) and eye exam or test (92133).
Show 7 more questionsShow fewer questions
Where did Dr. Alexander Seth Fein go to medical school?
Dr. Fein graduated from State University of NY Upstate Medical University in 2019.
What drugs does Dr. Alexander Seth Fein prescribe most?
In 2023 Medicare Part D data, Dr. Fein's most prescribed drugs by claims were Levetiracetam.
Has Dr. Alexander Seth Fein received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Dr. Fein from 1 company from 2025 to 2025. The largest total came from UCB, Inc.
How long has Dr. Alexander Seth Fein been practicing?
Dr. Fein graduated from medical school in 2019, 7 years ago.
Does Dr. Alexander Seth Fein do research?
Dmand AI links 6 publications to Dr. Fein, published from 2018 to 2025.
Who does Dr. Alexander Seth Fein publish with?
Dr. Fein's most frequent co-authors are Scott Grossman, MD (2 shared papers), Melissa W. Ko, MD (2 shared papers) and Steven L. Galetta, MD (1 shared paper).
What insurance does Dr. Alexander Seth Fein accept?
Dr. Fein is in network with 13 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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