Dr. Michael Poon Mah, MD
- Part D claims, 2022
- 12
- Hospital affiliations
- 2
- Industry payments
- $247
- Medical groups
- 2
- Insurance carriers
- 1
- Practice address
- 1600 N Rose Ave, Oxnard, CA 93030
- Practice phone
- Call (805) 988-2500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mah'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. Michael Poon Mah is a neonatologist in Oxnard, California
Dr. Mah practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health.
Dr. Mah's NPI, 1568575975, was assigned on August 17, 2006. Dr. Mah graduated from UCSF School of Medicine in 1986. Dr. Mah's California license number on file is G61919.
- NPI
- 1568575975NPI Registry (opens in a new tab)
- NPI enumeration date
- August 17, 2006
- NPI status
- Active
- Practice phone
- (805) 988-2500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Michael Poon Mah practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California
Dr. Mah's primary practice is Dignity Health - St. John's Regional Medical Center, at 1600 N Rose Ave, Oxnard, CA 93030 in Ventura County. The practice phone is (805) 988-2500.
- Dignity Health - St. John's Regional Medical Center1600 N Rose Ave, Oxnard, CA 93030 · Ventura CountyPhone(805) 988-2500
Source: Dmand AI Affiliation Data
Dr. Michael Poon Mah is affiliated with 3 sites of care and 2 medical groups
Dr. Mah's primary practice is Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Mah to 1 more hospital, 1 group practice or clinic and 1 medical group, 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. Michael Poon Mah's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mah practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. John's Regional Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across CommonSpirit Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Michael Poon Mah is one of 780 neonatologists in California
Neonatal-perinatal medicine is Dr. Mah's primary specialty in the NPI Registry, under taxonomy code 2080N0001X. Dr. Mah is board certified in neonatal-perinatal medicine by the American Board of Pediatrics. Dr. Mah has a license on file in California.
Specialties and state licenses
- Neonatal-perinatal medicine, CaliforniaPrimary
Neonatologists near Dr. Mah
Counts of neonatologists 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. Michael Poon Mah's patients have a median age of 32
Across all payers, Dmand AI patient panel data puts Dr. Mah's median patient age at 32, with 100% women.
Dr. Mah's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 32
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Michael Poon Mah wrote 12 Medicare Part D claims in 2022
In 2022, Dr. Mah wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $41 in total drug cost. In 2021, CMS named 33 claims across 2 drugs.
Dr. Mah's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 332022: 1264%
Drugs named by CMS: 1 in 2022, 2 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michael Poon Mah received $247 in industry payments in 2018
CMS Open Payments shows 2 general payments to Dr. Mah from 2 drug and device companies in 2018. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $125.
Companies that paid Dr. Mah the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Poon Mah has 1 award and honors on record
Dmand AI lists 1 award for Dr. Mah.
Awards and honors for Dr. Mah
- Undated
- AAP Fellow
Source: Dmand AI Professional Profile Data
Dr. Michael Poon Mah graduated from UCSF School of Medicine
Dr. Mah graduated from UCSF School of Medicine in 1986. Dr. Mah is a member of AAP.
- Medical school
- Board certified in neonatal-perinatal medicine
- Board certified in pediatrics
Source: Dmand AI Professional Profile Data
Dr. Michael Poon Mah accepts plans from 1 insurance carrier
Dr. Mah is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Aetna
Plan types Dr. Mah accepts, by number of carriers
- EPO1
- HMO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Michael Poon Mah'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Michael Poon Mah
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. Michael Poon Mah's NPI number?
Dr. Michael Poon Mah's NPI number is 1568575975. It was assigned on August 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Poon Mah?
Dr. Michael Poon Mah is a neonatologist in Oxnard, California. The primary specialty in the NPI Registry is Neonatal-Perinatal Medicine Physician (taxonomy code 2080N0001X).
Where does Dr. Michael Poon Mah practice?
Dr. Mah practices at 1600 N Rose Ave, Oxnard, CA 93030. Dr. Mah's primary practice is Dignity Health - St. John's Regional Medical Center in Oxnard, California, part of CommonSpirit Health. Dmand AI also links Dr. Mah to 1 hospital, 1 group practice or clinic and 1 medical group.
What is Dr. Michael Poon Mah's office phone number?
The practice phone on file for Dr. Mah is (805) 988-2500.
What is Dr. Michael Poon Mah's medical license number?
Dr. Mah's California license number on file is G61919.
Which hospitals is Dr. Michael Poon Mah affiliated with?
Dr. Mah practices at Dignity Health - St. John's Regional Medical Center in Oxnard, California. Dmand AI links Dr. Mah to 1 more hospital.
What medical group is Dr. Michael Poon Mah part of?
Dr. Mah is linked to Harbor-UCLA Medical Center. Dmand AI links Dr. Mah to 1 more medical group.
Is Dr. Michael Poon Mah board certified?
Yes. Dr. Mah is board certified in neonatal-perinatal medicine by the American Board of Pediatrics.
Where did Dr. Michael Poon Mah go to medical school?
Dr. Mah graduated from UCSF School of Medicine in 1986.
What drugs does Dr. Michael Poon Mah prescribe most?
In 2022 Medicare Part D data, Dr. Mah's most prescribed drugs by claims were Gabapentin.
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Has Dr. Michael Poon Mah received payments from drug or device companies?
CMS Open Payments shows $247 in general payments to Dr. Mah from 2 companies from 2018 to 2018. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Michael Poon Mah been practicing?
Dr. Mah graduated from medical school in 1986, 40 years ago.
What insurance does Dr. Michael Poon Mah accept?
Dr. Mah is in network with 1 carrier, including Aetna. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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