Alexa Herzig
- Medicare patients, 2026
- 235
- Part D claims, 2026
- 208
- Industry payments
- $1,376
- Affiliated sites
- 2
- Medical group
- 1
- 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
Find Alexa Herzig'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.
Alexa Herzig is a physician assistant in Pasadena, California
Alexa Herzig practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California.
Alexa Herzig's NPI, 1164077004, was assigned on August 7, 2019.
- NPI
- 1164077004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597156851
- NPI enumeration date
- August 7, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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)
Alexa Herzig practices at Huntington Ambulatory Surgery Center - HOPD in Pasadena, California
Alexa Herzig'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
Alexa Herzig is affiliated with 2 sites of care and 1 medical group
Alexa Herzig's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. The medical group on file is Comprehensive Dermatology Center of Pasadena. Dmand AI also links Alexa Herzig to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Alexa Herzig's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alexa Herzig practices, 2 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 |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Alexa Herzig is one of 11,482 physician assistants in California
Physician assistant is Alexa Herzig's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Physician assistants near Alexa Herzig
Counts of physician assistants 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
Alexa Herzig treated 235 Medicare patients in 2026, average age 74
CMS counts 235 Medicare patients who saw Alexa Herzig in 2026. The largest group is 65 to 74, with 116 patients. 75% of them have high cholesterol, and 62% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Alexa Herzig's median patient age at 41, with 60% women.
Alexa Herzig's Medicare patients by age, 2026
CMS leaves out age groups with fewer than 11 patients.
Alexa Herzig's Medicare patients by sex, 2026
- Women13256%
- Men10344%
Chronic conditions among Alexa Herzig's Medicare patients, 2026
- High cholesterol75%
- High blood pressure62%
- Arthritis49%
- Diabetes27%
- Ischemic heart disease26%
- Anxiety19%
- Cancer19%
- Mood disorders19%
Share of Medicare patients with each condition. A patient can have several.
Alexa Herzig's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 41
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alexa Herzig wrote 208 Medicare Part D claims in 2026
In 2026, Alexa Herzig wrote 208 Medicare Part D claims for 96 patients. 88% of them were for generic drugs.
Alexa Herzig's Part D claims by kind of drug, 2026
- Generic183 claims88%
- Brand-name25 claims12%
Drug classes CMS tracks in Alexa Herzig's Part D claims, 2026
- Antibiotics8%17 of 208 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Alexa Herzig takes part in Medicare
Alexa Herzig accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Alexa Herzig received $1,376 in industry payments in 2025
CMS Open Payments shows 52 general payments to Alexa Herzig from 13 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Arcutis Biotherapeutics, Inc. paid the most, $224.
Companies that paid Alexa Herzig the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Alexa Herzig'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 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 (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) |
| 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 Alexa Herzig
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alexa Herzig's NPI number?
Alexa Herzig's NPI number is 1164077004. It was assigned on August 7, 2019, and it is active in the NPI Registry.
What does Alexa Herzig specialize in?
Alexa Herzig is a physician assistant in Pasadena, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Alexa Herzig practice?
Alexa Herzig practices at 625 S Fair Oaks Ave, Pasadena, CA 91105. Alexa Herzig's primary practice is Huntington Ambulatory Surgery Center - HOPD in Pasadena, California. Dmand AI also links Alexa Herzig to 1 group practice or clinic, and a free account names each one.
What is Alexa Herzig's email address?
Dmand AI checks professional and personal email addresses for Alexa Herzig through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What medical group is Alexa Herzig part of?
Alexa Herzig is linked to Comprehensive Dermatology Center of Pasadena.
Who does Alexa Herzig practice with?
Dmand AI links 10 HCPs to Alexa Herzig's primary medical group, 3 of them physician assistants. A free account lists them, with verified contacts.
Does Alexa Herzig accept Medicare?
Yes. CMS lists Alexa Herzig as accepting Medicare assignment.
How many Medicare patients does Alexa Herzig see?
CMS counts 235 Medicare patients who saw Alexa Herzig in 2026, with an average age of 74.
Has Alexa Herzig received payments from drug or device companies?
CMS Open Payments shows $1,376 in general payments to Alexa Herzig from 13 companies from 2025 to 2025. The largest total came from Arcutis Biotherapeutics, Inc.
How long has Alexa Herzig been practicing?
Alexa Herzig graduated from medical school in 2019, 7 years ago.
What EHR does Alexa Herzig's practice use?
Dmand AI tracks the EHR system at Huntington Ambulatory Surgery Center - HOPD and at 1 more affiliated site. The vendor and product are available with a free Dmand AI account.
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