John Nathaniel Alvarez
- Medicare services, 2021
- 34
- Part D claims, 2024
- 463
- Publications
- 3
- Industry payments
- $125
- Medical group
- 1
- Practice address
- 200 W Santa Ana Blvd, Santa Ana, CA 92701
- Practice phone
- Call (714) 447-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Amhs Intensive Care Management Fullerton
Santa Ana, California
Find John Alvarez'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.
John Nathaniel Alvarez is a psychiatrist in Santa Ana, California
John Alvarez practices at Amhs Intensive Care Management Fullerton in Santa Ana, California.
John Alvarez's NPI, 1912361106, was assigned on April 13, 2016. John Alvarez graduated from The Warren Alpert Medical School of Brown University in 2016. John Alvarez holds California license A155288.
- NPI
- 1912361106NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951634054
- NPI enumeration date
- April 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 447-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
John Nathaniel Alvarez practices at Amhs Intensive Care Management Fullerton in Santa Ana, California
John Alvarez's primary practice is Amhs Intensive Care Management Fullerton, at 200 W Santa Ana Blvd, Santa Ana, CA 92701 in Orange County. The practice phone is (714) 447-7000.
- Amhs Intensive Care Management Fullerton200 W Santa Ana Blvd, Santa Ana, CA 92701 · Orange CountyPhone(714) 447-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
John Nathaniel Alvarez is affiliated with 1 site of care and 1 medical group
John Alvarez's primary practice is Amhs Intensive Care Management Fullerton in Santa Ana, California. The medical group on file is OC Health Care Agency.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at John Nathaniel Alvarez's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Alvarez practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Amhs Intensive Care Management Fullerton | Available with a free account |
Source: Dmand AI Technology Install Data
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John Nathaniel Alvarez is one of 6,803 psychiatrists in California
Psychiatry is John Alvarez's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. John Alvarez is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near John Alvarez
Counts of psychiatrists 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
John Nathaniel Alvarez billed Medicare for 34 services in 2021
CMS data shows 34 Medicare services from John Alvarez across 1 procedure code in 2021, all of them office visits. Medicare paid $2,889 for them. Every service was in a facility, such as a hospital, rather than an office.
John Alvarez compared with the California median for psychiatrists, 2021
- John Alvarez
- California median
- Medicare services
- 34vs 11971% below
- Part D claims
- 362vs 1442.5 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
John Alvarez's most billed Medicare procedure codes, 2021
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 John Alvarez?
Medicare shows one payer. Book a meeting to get commercial claims data for John Alvarez and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
John Nathaniel Alvarez's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts John Alvarez's median patient age at 40, with 36% women.
John Alvarez's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women36%
- Men64%
Source: Dmand AI Patient Panel Data
John Nathaniel Alvarez wrote 463 Medicare Part D claims in 2024
In 2024, John Alvarez wrote 463 Medicare Part D claims for 20 patients. 88% of them were for generic drugs. CMS names the drug for 362 of them, across 14 drugs with 11 or more claims each, at $58,466 in total drug cost. In 2023, CMS named 167 claims across 9 drugs.
John Alvarez's Part D claims by kind of drug, 2024
- Generic409 claims88%
- Brand-name54 claims12%
John Alvarez'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: 1672024: 362117%
Drugs named by CMS: 14 in 2024, 9 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 John Nathaniel Alvarez takes part in Medicare
John Alvarez 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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John Nathaniel Alvarez has 3 publications on record
Dmand AI links 3 papers to John Alvarez, published from 2017 to 2018. 2017 was the busiest year, with 2. John Alvarez has published most often in Ment Illn. John Alvarez's most frequent co-authors are Robert G. Bota, MD, Jeremiah P. Tao, MD and Bharat Reddy Sampathi, MD.
John Alvarez's most frequent co-authors
- Robert G. Bota, MD3 shared papers
- Jeremiah P. Tao, MD2 shared papers
- Bharat Reddy Sampathi, MD1 shared paper
Recent publications by John Alvarez
See who John Alvarez researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who John Alvarez works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
John Nathaniel Alvarez received $125 in industry payments in 2024
CMS Open Payments shows 1 general payment to John Alvarez from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $125.
Companies that paid John Alvarez the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Nathaniel Alvarez graduated from The Warren Alpert Medical School of Brown University
John Alvarez graduated from The Warren Alpert Medical School of Brown University in 2016.
- Medical school
Source: Dmand AI Professional Profile Data
John Nathaniel Alvarez accepts plans from 1 insurance carrier
John Alvarez is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for John Nathaniel Alvarez'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 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) |
| 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 John Nathaniel Alvarez
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Nathaniel Alvarez's NPI number?
John Nathaniel Alvarez's NPI number is 1912361106. It was assigned on April 13, 2016, and it is active in the NPI Registry.
What does John Nathaniel Alvarez specialize in?
John Nathaniel Alvarez is a psychiatrist in Santa Ana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does John Nathaniel Alvarez practice?
John Alvarez practices at 200 W Santa Ana Blvd, Santa Ana, CA 92701. John Alvarez's primary practice is Amhs Intensive Care Management Fullerton in Santa Ana, California.
What is John Nathaniel Alvarez's office phone number?
The practice phone on file for John Alvarez is (714) 447-7000.
What is John Nathaniel Alvarez's medical license number?
John Alvarez holds California license A155288.
What medical group is John Nathaniel Alvarez part of?
John Alvarez is linked to OC Health Care Agency.
Does John Nathaniel Alvarez accept Medicare?
Yes. CMS data shows John Alvarez billed Medicare for 34 services in 2021, and John Alvarez accepts Medicare assignment.
What services does John Nathaniel Alvarez bill to Medicare?
In 2021, John Alvarez's most billed Medicare services were office visit, established patient (99214).
Where did John Nathaniel Alvarez go to medical school?
John Alvarez graduated from The Warren Alpert Medical School of Brown University in 2016.
What drugs does John Nathaniel Alvarez prescribe most?
In 2024 Medicare Part D data, John Alvarez's most prescribed drugs by claims were Benztropine Mesylate, Olanzapine and Divalproex Sodium ER.
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Has John Nathaniel Alvarez received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to John Alvarez from 1 company from 2024 to 2024. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has John Nathaniel Alvarez been practicing?
John Alvarez graduated from medical school in 2016, 10 years ago.
Does John Nathaniel Alvarez do research?
Dmand AI links 3 publications to John Alvarez, published from 2017 to 2018.
Who does John Nathaniel Alvarez publish with?
John Alvarez's most frequent co-authors are Robert G. Bota, MD (3 shared papers), Jeremiah P. Tao, MD (2 shared papers) and Bharat Reddy Sampathi, MD (1 shared paper).
What insurance does John Nathaniel Alvarez accept?
John Alvarez is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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