Dr. Megan Elizabeth O'Brien, MD
- Part D claims, 2023
- 183
- Hospital affiliations
- 1
- Medical groups
- 5
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 505 Parnassus Ave, Box 0296, San Francisco, CA 94143
- Practice phone
- Call (415) 353-2733
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. O'Brien'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. Megan Elizabeth O'Brien is a psychiatrist in San Francisco, California
Dr. O'Brien practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health.
Dr. O'Brien's NPI, 1861029183, was assigned on March 25, 2020. Dr. O'Brien graduated from Georgetown University School Of Medicine in 2020. Dr. O'Brien holds California license 178997.
- NPI
- 1861029183NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9133510514
- NPI enumeration date
- March 25, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (415) 353-2733
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Megan Elizabeth O'Brien practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California
Dr. O'Brien's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights, at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143 in San Francisco County. The practice phone is (415) 353-2733.
- UCSF Helen Diller Medical Center at Parnassus Heights505 Parnassus Ave, Box 0296, San Francisco, CA 94143 · San Francisco CountyPhone(415) 353-2733
Source: Dmand AI Affiliation Data
Dr. Megan Elizabeth O'Brien is affiliated with 5 sites of care and 5 medical groups
Dr. O'Brien's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. O'Brien to 4 more group practices and clinics and 4 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Megan Elizabeth O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UCSF Helen Diller Medical Center at Parnassus Heights | Available with a free account |
| +4 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Megan Elizabeth O'Brien is one of 6,803 psychiatrists in California
Psychiatry is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. O'Brien is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dr. O'Brien is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Dr. O'Brien
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. Megan Elizabeth O'Brien's patients have a median age of 24
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 24, with 47% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women47%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Megan Elizabeth O'Brien wrote 183 Medicare Part D claims in 2023
In 2023, Dr. O'Brien wrote 183 Medicare Part D claims. They cover 9 drugs, with $3,735 in total drug cost. In 2022, CMS named 71 claims across 5 drugs.
Dr. O'Brien'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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 712023: 183158%
Drugs named by CMS: 9 in 2023, 5 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
Dr. Megan Elizabeth O'Brien offers telehealth to Medicare patients
Dr. O'Brien accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. O'Brien as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Megan Elizabeth O'Brien graduated from Georgetown University School Of Medicine
Dr. O'Brien graduated from Georgetown University School Of Medicine in 2020.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Megan Elizabeth O'Brien'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 DataDmand AI Org Hierarchy Data |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Megan Elizabeth O'Brien
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. Megan Elizabeth O'Brien's NPI number?
Dr. Megan Elizabeth O'Brien's NPI number is 1861029183. It was assigned on March 25, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Megan Elizabeth O'Brien?
Dr. Megan Elizabeth O'Brien is a psychiatrist in San Francisco, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Megan Elizabeth O'Brien practice?
Dr. O'Brien practices at 505 Parnassus Ave, Box 0296, San Francisco, CA 94143. Dr. O'Brien's primary practice is UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California, part of University of California Health. Dmand AI also links Dr. O'Brien to 4 group practices and clinics and 4 medical groups.
What is Dr. Megan Elizabeth O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (415) 353-2733.
What is Dr. Megan Elizabeth O'Brien's medical license number?
Dr. O'Brien holds California license 178997.
Which hospitals is Dr. Megan Elizabeth O'Brien affiliated with?
Dr. O'Brien practices at UCSF Helen Diller Medical Center at Parnassus Heights in San Francisco, California.
What medical group is Dr. Megan Elizabeth O'Brien part of?
Dr. O'Brien is linked to UCSF Pediatrics. Dmand AI links Dr. O'Brien to 4 more medical groups.
Does Dr. Megan Elizabeth O'Brien accept Medicare?
Yes. CMS lists Dr. O'Brien as accepting Medicare assignment.
Does Dr. Megan Elizabeth O'Brien offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. O'Brien as offering telehealth services.
Is Dr. Megan Elizabeth O'Brien board certified?
Yes. Dr. O'Brien is board certified in psychiatry by the American Board of Psychiatry and Neurology.
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Where did Dr. Megan Elizabeth O'Brien go to medical school?
Dr. O'Brien graduated from Georgetown University School Of Medicine in 2020.
What drugs does Dr. Megan Elizabeth O'Brien prescribe most?
In 2023 Medicare Part D data, Dr. O'Brien's most prescribed drugs by claims were Duloxetine HCl, Gabapentin and Lamotrigine.
How long has Dr. Megan Elizabeth O'Brien been practicing?
Dr. O'Brien graduated from medical school in 2020, 6 years ago.
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