Dr. Megan Marie Byrne, MD
- Part D claims, 2024
- 1,045
- Hospital affiliations
- 2
- Industry payments
- $10
- Medical group
- 1
- State license
- 1
- Practice address
- 222 W 39th Ave, San Mateo, CA 94403
- Practice phone
- Call (650) 573-2222
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Byrne'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 Marie Byrne is an internist in San Mateo, California
Dr. Byrne practices at San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California.
Dr. Byrne's NPI, 1538643903, was assigned on September 20, 2018. Dr. Byrne graduated from University of California, Davis School of Medicine in 2020. Dr. Byrne holds California license A180588.
- NPI
- 1538643903NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062816242
- NPI enumeration date
- September 20, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (650) 573-2222
- 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 Marie Byrne practices at San Mateo Medical Center in San Mateo, California
Dr. Byrne's primary practice is San Mateo Medical Center, at 222 W 39th Ave, San Mateo, CA 94403 in San Mateo County. The practice phone is (650) 573-2222.
- San Mateo Medical Center222 W 39th Ave, San Mateo, CA 94403 · San Mateo CountyPhone(650) 573-2222
Source: Dmand AI Affiliation Data
Dr. Megan Marie Byrne is affiliated with 4 sites of care and 1 medical group
Dr. Byrne's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dr. Byrne is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is San Mateo Medical Center. Dmand AI also links Dr. Byrne to 1 more community health center and 1 skilled nursing facility, 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 Marie Byrne's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byrne practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Mateo Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of San Mateo, California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Megan Marie Byrne is one of 16,751 internists in California
Internal medicine is Dr. Byrne's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Byrne is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Byrne
Counts of internists 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 Marie Byrne's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Byrne's median patient age at 49, with 65% women.
Dr. Byrne's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Dr. Megan Marie Byrne wrote 1,045 Medicare Part D claims in 2024
In 2024, Dr. Byrne wrote 1,045 Medicare Part D claims for 121 patients. 77% of them were for generic drugs. CMS names the drug for 715 of them, across 24 drugs with 11 or more claims each, at $123,542 in total drug cost. In 2023, CMS named 89 claims across 6 drugs.
Dr. Byrne's Part D claims by kind of drug, 2024
- Generic802 claims77%
- Brand-name227 claims22%
- Other16 claims2%
Dr. Byrne'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. Byrne's Part D claims, 2024
- Opioids3%32 of 1,045 claims
- Antibiotics2%21 of 1,045 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: 892024: 715703%
Drugs named by CMS: 24 in 2024, 6 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 Dr. Megan Marie Byrne takes part in Medicare
Dr. Byrne 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)
For MedTech and pharma teams
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Dr. Megan Marie Byrne received $10 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Byrne from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) paid the most, $10.
Companies that paid Dr. Byrne the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Megan Marie Byrne graduated from University of California, Davis School of Medicine
Dr. Byrne graduated from University of California, Davis School of Medicine in 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Megan Marie Byrne'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)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) |
| 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 Marie Byrne
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 Marie Byrne's NPI number?
Dr. Megan Marie Byrne's NPI number is 1538643903. It was assigned on September 20, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Megan Marie Byrne?
Dr. Megan Marie Byrne is an internist in San Mateo, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Megan Marie Byrne practice?
Dr. Byrne practices at 222 W 39th Ave, San Mateo, CA 94403. Dr. Byrne's primary practice is San Mateo Medical Center in San Mateo, California, part of County of San Mateo, California. Dmand AI also links Dr. Byrne to 1 community health center and 1 skilled nursing facility.
What is Dr. Megan Marie Byrne's office phone number?
The practice phone on file for Dr. Byrne is (650) 573-2222.
What is Dr. Megan Marie Byrne's medical license number?
Dr. Byrne holds California license A180588.
Which hospitals is Dr. Megan Marie Byrne affiliated with?
Dr. Byrne practices at San Mateo Medical Center in San Mateo, California. Dr. Byrne is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Megan Marie Byrne part of?
Dr. Byrne is linked to San Mateo Medical Center.
Does Dr. Megan Marie Byrne accept Medicare?
Yes. CMS lists Dr. Byrne as accepting Medicare assignment.
Where did Dr. Megan Marie Byrne go to medical school?
Dr. Byrne graduated from University of California, Davis School of Medicine in 2020.
What drugs does Dr. Megan Marie Byrne prescribe most?
In 2024 Medicare Part D data, Dr. Byrne's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Megan Marie Byrne received payments from drug or device companies?
CMS Open Payments shows $10 in general payments to Dr. Byrne from 1 company from 2023 to 2023. The largest total came from ZOLL Services LLC (A/K/A ZOLL LifeCor Corp).
How long has Dr. Megan Marie Byrne been practicing?
Dr. Byrne graduated from medical school in 2020, 6 years ago.
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