Dr. Margaret Chen, MD
- Medicare services, 2018
- 137
- Part D claims, 2019
- 89
- Industry payments
- $247
- Affiliated sites
- 3
- Medical groups
- 2
- Practice address
- 425 North Date Street, Escondido, CA 92025
- Practice phone
- Call (833) 867-4642
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Neighborhood Ray M. Dickinson Wellness Center
Outpatient Mental Health Clinic · Escondido, California
Find Dr. Chen'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. Margaret Chen is an OB-GYN in Escondido, California
Dr. Chen practices at Neighborhood Ray M. Dickinson Wellness Center in Escondido, California.
Dr. Chen's NPI, 1578619706, was assigned on January 29, 2007. Dr. Chen holds California license G42306.
- NPI
- 1578619706NPI Registry (opens in a new tab)
- NPI enumeration date
- January 29, 2007
- NPI status
- Active
- Practice phone
- (833) 867-4642
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Margaret Chen practices at Neighborhood Ray M. Dickinson Wellness Center in Escondido, California
Dr. Chen's primary practice is Neighborhood Ray M. Dickinson Wellness Center, at 425 North Date Street, Escondido, CA 92025. The practice phone is (833) 867-4642.
- Neighborhood Ray M. Dickinson Wellness Center425 North Date Street, Escondido, CA 92025Phone(833) 867-4642
Source: Dmand AI Affiliation Data
Dr. Margaret Chen is affiliated with 3 sites of care and 2 medical groups
Dr. Chen's primary practice is Neighborhood Ray M. Dickinson Wellness Center in Escondido, California. The medical group on file is Neighborhood Healthcare. Dmand AI also links Dr. Chen to 1 more community health center, 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. Margaret Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Neighborhood Ray M. Dickinson Wellness 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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Dr. Margaret Chen is one of 4,642 OB-GYNs in California
Obstetrics and gynecology is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Chen is licensed in California.
Specialties and state licenses
- Obstetrics and gynecology, CaliforniaPrimary
OB-GYNs near Dr. Chen
Counts of OB-GYNs 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. Margaret Chen billed Medicare for 137 services in 2018
CMS data shows 137 Medicare services from Dr. Chen across 3 procedure codes in 2018. Medicare paid $6,379 for them. Every service was in an office.
Dr. Chen's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Other services
- 2017: 402018: 7075%
- Office and hospital visits
- 2017: 1312018: 6749%
Dr. Chen compared with the California median for OB-GYNs, 2018
- Dr. Chen
- California median
- Medicare services
- 137vs 582.4 times
- Part D claims
- 89vs 352.5 times
Medians across 3,823 OB-GYNs in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other OB-GYNs in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Margaret Chen's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 52, with 75% women.
Dr. Chen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women75%
- Men20%
Source: Dmand AI Patient Panel Data
Dr. Margaret Chen wrote 89 Medicare Part D claims in 2019
In 2019, Dr. Chen wrote 89 Medicare Part D claims. They cover 4 drugs, with $7,762 in total drug cost. In 2018, CMS named 276 claims across 9 drugs.
Dr. Chen's most prescribed drugs by claims, 2019
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, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2762019: 8968%
Drugs named by CMS: 4 in 2019, 9 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Margaret Chen received $247 in industry payments from 2017 to 2025
CMS Open Payments shows 7 general payments to Dr. Chen from 3 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $122.
General payments to Dr. Chen by program year, 2017 to 2025
Companies that paid Dr. Chen the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Margaret Chen'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Margaret Chen
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. Margaret Chen's NPI number?
Dr. Margaret Chen's NPI number is 1578619706. It was assigned on January 29, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Margaret Chen?
Dr. Margaret Chen is an OB-GYN in Escondido, California. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Margaret Chen practice?
Dr. Chen practices at 425 North Date Street, Escondido, CA 92025. Dr. Chen's primary practice is Neighborhood Ray M. Dickinson Wellness Center in Escondido, California. Dmand AI also links Dr. Chen to 1 community health center, 1 group practice or clinic and 1 medical group.
What is Dr. Margaret Chen's office phone number?
The practice phone on file for Dr. Chen is (833) 867-4642.
What is Dr. Margaret Chen's medical license number?
Dr. Chen holds California license G42306.
What medical group is Dr. Margaret Chen part of?
Dr. Chen is linked to Neighborhood Healthcare. Dmand AI links Dr. Chen to 1 more medical group.
Does Dr. Margaret Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 137 services in 2018.
What services does Dr. Margaret Chen bill to Medicare?
In 2018, Dr. Chen's most billed Medicare services were medicare service (G0101), office visit, established patient (99213) and office visit, established patient (99212).
What drugs does Dr. Margaret Chen prescribe most?
In 2019 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Estradiol, Alendronate Sodium and Valacyclovir.
Has Dr. Margaret Chen received payments from drug or device companies?
CMS Open Payments shows $247 in general payments to Dr. Chen from 3 companies from 2017 to 2025. The largest total came from Amgen Inc.
How long has Dr. Margaret Chen been practicing?
Dr. Chen's NPI was assigned in 2007.
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