Antibodies, MonoclonalCD28 AntigensCD40 Ligand
Dr. Alison Megan Trexler, MD
NPI1003104704PAC ID0042514713
- Medicare services, 2024
- 76
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 983
- Publications
- 2
- Industry payments
- $684
- Practice address
- 1202 Morena Blvd, San Diego, CA 92110
- Practice phone
- Call (619) 275-0822
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Esperanza Crisis Center
San Diego, California
Find Dr. Trexler'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. Alison Megan Trexler is a psychiatrist in San Diego, California
Dr. Trexler practices at Esperanza Crisis Center in San Diego, California.
Dr. Trexler's NPI, 1003104704, was assigned on July 14, 2011. Dr. Trexler graduated from Mercer University School of Medicine in 2010. Dr. Trexler holds California license A136881.
NPI and contact details
- NPI
- 1003104704NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0042514713
- NPI enumeration date
- July 14, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (619) 275-0822
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- 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. Alison Megan Trexler practices at Esperanza Crisis Center in San Diego, California
Dr. Trexler's primary practice is Esperanza Crisis Center, at 1202 Morena Blvd, San Diego, CA 92110 in San Diego County. The practice phone is (619) 275-0822.
- Esperanza Crisis Center1202 Morena Blvd, San Diego, CA 92110 · San Diego CountyPhone(619) 275-0822
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Alison Megan Trexler is affiliated with 4 sites of care and 4 medical groups
Dr. Trexler's primary practice is Esperanza Crisis Center in San Diego, California. The medical group on file is LifeStance Health. Dmand AI also links Dr. Trexler to 3 more group practices and clinics and 3 medical groups, each named with a free account.
Esperanza Crisis CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Alison Megan Trexler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Trexler practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Esperanza Crisis Center | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Trexler practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alison Megan Trexler is one of 6,803 psychiatrists in California
Psychiatry is Dr. Trexler's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Trexler is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Trexler's licenses on file in 3 states: California, Massachusetts and Hawaii.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Massachusetts license
- Hawaii license
Clinical focus
Dmand AI lists ADHD, adjustment disease, alcohol use disorders, anxiety, bipolar disorder, depression, drug use disorders and insomnia among the conditions Dr. Trexler treats.
Psychiatrists near Dr. Trexler
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
Dr. Alison Megan Trexler billed Medicare for 76 services in 2024
CMS data shows 76 Medicare services from Dr. Trexler across 3 procedure codes in 2024, for 41 Medicare patients. Medicare paid $7,086 for them.
Medicare services, 202476
Medicare patients41
Paid by Medicare$7,086
Procedure codes3
Dr. Trexler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2192024: 5276%
- Office and hospital visits
- 2023: 2142024: 2489%
Where Dr. Trexler's Medicare services took place, 2024
- In an office5066%
- In a facility2634%
Dr. Trexler compared with the California median for psychiatrists, 2024
- Dr. Trexler
- California median
- Medicare services
- 76vs 11936% below
- Medicare patients
- 41vs 41Close to median
- Part D claims
- 735vs 1445.1 times
Medians across 6,809 psychiatrists in California with Dmand AI profiles that report each measure.
Dr. Trexler'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.
Need commercial claims for Dr. Trexler?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Trexler and other psychiatrists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alison Megan Trexler treated 41 Medicare patients in 2024, average age 56
CMS counts 41 Medicare patients who saw Dr. Trexler in 2024. The largest group is under 65, with 24 patients. 75% of them have anxiety, and 75% have mood disorders. 71% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Trexler's median patient age at 44, with 71% women.
Medicare patients, 202441
Average age56
Average risk score1.39
Also on Medicaid71%
Dr. Trexler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Trexler's Medicare patients by sex, 2024
- Women2459%
- Men1741%
Chronic conditions among Dr. Trexler's Medicare patients, 2024
- Anxiety75%
- Mood disorders75%
- Depression68%
- High cholesterol66%
- Schizophrenia and other psychoses63%
- Alcohol and drug use disorders61%
- Bipolar disorder61%
- High blood pressure59%
Share of Medicare patients with each condition. A patient can have several.
Dr. Trexler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women71%
- Men28%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alison Megan Trexler wrote 983 Medicare Part D claims in 2024
In 2024, Dr. Trexler wrote 983 Medicare Part D claims for 163 patients. 92% of them were for generic drugs. CMS names the drug for 735 of them, across 30 drugs with 11 or more claims each, at $113,767 in total drug cost. In 2023, CMS named 878 claims across 25 drugs.
Part D claims, 2024983
Drugs named by CMS30
Total drug cost$113,767
Part D patients163
Dr. Trexler's Part D claims by kind of drug, 2024
- Generic908 claims92%
- Brand-name75 claims8%
Dr. Trexler'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. Trexler's Part D claims, 2024
- Antipsychotics, patients 65 and over6%58 of 983 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: 8782024: 73516%
Drugs named by CMS: 30 in 2024, 25 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. Alison Megan Trexler offers telehealth to Medicare patients
Dr. Trexler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Trexler as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Find psychiatrists like Dr. Trexler by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alison Megan Trexler has 2 publications on record
Dmand AI links 2 papers to Dr. Trexler in 2008. The most frequent topics are Flow Cytometry. Dr. Trexler's most frequent co-author is Mark R. Rigby, MD, PhD.
Papers2
Topics Dr. Trexler writes about most
- Flow Cytometry
Dr. Trexler's most frequent co-authors
Recent publications by Dr. Trexler
Antigens, LyAntigens, SurfaceBone Marrow Cells
See who Dr. Trexler researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Trexler works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alison Megan Trexler received $684 in industry payments from 2017 to 2025
CMS Open Payments shows 21 general payments to Dr. Trexler from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 74% of the total. Otsuka Pharmaceutical Development & Commercialization, Inc. paid the most, $175.
General payments to Dr. Trexler by program year, 2017 to 2025
General payments to Dr. Trexler by kind, 2017 to 2025
$684in total
- Food and beverage$50974%
- Consulting fees$17526%
Companies that paid Dr. Trexler the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alison Megan Trexler graduated from Mercer University School of Medicine
Dr. Trexler graduated from Mercer University School of Medicine in 2010.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Alison Megan Trexler accepts plans from 9 insurance carriers
Dr. Trexler is in network with 9 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Excellus BlueCross BlueShield
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Humana
- Regence Health Plans
- +1 more carriersWith a free account
Plan types Dr. Trexler accepts, by number of carriers
- Medicare9
- PPO8
- HMO4
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. Alison Megan Trexler'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) |
| 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. Alison Megan Trexler
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. Alison Megan Trexler's NPI number?
Dr. Alison Megan Trexler's NPI number is 1003104704. It was assigned on July 14, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Alison Megan Trexler?
Dr. Alison Megan Trexler is a psychiatrist in San Diego, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Alison Megan Trexler practice?
Dr. Trexler practices at 1202 Morena Blvd, San Diego, CA 92110. Dr. Trexler's primary practice is Esperanza Crisis Center in San Diego, California. Dmand AI also links Dr. Trexler to 3 group practices and clinics and 3 medical groups.
What is Dr. Alison Megan Trexler's office phone number?
The practice phone on file for Dr. Trexler is (619) 275-0822.
What is Dr. Alison Megan Trexler's medical license number?
Dr. Trexler holds California license A136881, one of the licenses on file in 3 states.
Which states has Dr. Alison Megan Trexler been licensed in?
Dmand AI has state licenses on file for Dr. Trexler in California (2015 to 2026), Massachusetts (2012 to 2015) and Hawaii (2011 to 2012).
What medical group is Dr. Alison Megan Trexler part of?
Dr. Trexler is linked to LifeStance Health. Dmand AI links Dr. Trexler to 3 more medical groups.
Does Dr. Alison Megan Trexler accept Medicare?
Yes. CMS data shows Dr. Trexler billed Medicare for 76 services in 2024, and Dr. Trexler accepts Medicare assignment.
Does Dr. Alison Megan Trexler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Trexler as offering telehealth services.
How many Medicare patients does Dr. Alison Megan Trexler see?
CMS counts 41 Medicare patients who saw Dr. Trexler in 2024, with an average age of 56.
Show 9 more questionsShow fewer questions
Is Dr. Alison Megan Trexler board certified?
Yes. Dr. Trexler is board certified in psychiatry by the American Board of Psychiatry and Neurology.
What services does Dr. Alison Megan Trexler bill to Medicare?
In 2024, Dr. Trexler's most billed Medicare services were psychiatric service (90792), psychiatric service (90833) and office visit, established patient (99214).
Where did Dr. Alison Megan Trexler go to medical school?
Dr. Trexler graduated from Mercer University School of Medicine in 2010.
What drugs does Dr. Alison Megan Trexler prescribe most?
In 2024 Medicare Part D data, Dr. Trexler's most prescribed drugs by claims were Olanzapine, Gabapentin and Trazodone HCl.
Has Dr. Alison Megan Trexler received payments from drug or device companies?
CMS Open Payments shows $684 in general payments to Dr. Trexler from 9 companies from 2017 to 2025. The largest total came from Otsuka Pharmaceutical Development & Commercialization, Inc.
How long has Dr. Alison Megan Trexler been practicing?
Dr. Trexler graduated from medical school in 2010, 16 years ago.
Does Dr. Alison Megan Trexler do research?
Dmand AI links 2 publications to Dr. Trexler.
Who does Dr. Alison Megan Trexler publish with?
Dr. Trexler's most frequent co-authors are Mark R. Rigby, MD, PhD (2 shared papers).
What insurance does Dr. Alison Megan Trexler accept?
Dr. Trexler is in network with 9 carriers, including Aetna, Elevance and Excellus BlueCross BlueShield. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card