Dr. Zachary M. Simpson, MD
- Part D claims, 2024
- 169
- Industry payments
- $466
- Affiliated sites
- 2
- State license
- 1
- Year NPI issued
- 2018
- Practice address
- 2100 Charlie Hall Blvd, Charleston, SC 29414
- Practice phone
- Call (843) 852-4100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Charleston Dorchester Mental Health Center
FQHC - Satellite Clinic · Charleston, South Carolina
Find Dr. Simpson'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. Zachary M. Simpson is a psychiatrist in Charleston, South Carolina
Dr. Simpson practices at Charleston Dorchester Mental Health Center in Charleston, South Carolina.
Dr. Simpson's NPI, 1154807105, was assigned on July 12, 2018. Dr. Simpson holds South Carolina license LL90341.
- NPI
- 1154807105NPI Registry (opens in a new tab)
- NPI enumeration date
- July 12, 2018
- NPI status
- Active
- Practice phone
- (843) 852-4100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Zachary M. Simpson practices at Charleston Dorchester Mental Health Center in Charleston, South Carolina
Dr. Simpson's primary practice is Charleston Dorchester Mental Health Center, at 2100 Charlie Hall Blvd, Charleston, SC 29414 in Charleston County. The practice phone is (843) 852-4100.
- Charleston Dorchester Mental Health Center2100 Charlie Hall Blvd, Charleston, SC 29414 · Charleston CountyPhone(843) 852-4100
Source: Dmand AI Affiliation Data
Dr. Zachary M. Simpson is affiliated with 2 sites of care
Dr. Simpson's primary practice is Charleston Dorchester Mental Health Center in Charleston, South Carolina. Dmand AI also links Dr. Simpson to 1 behavioral health center, named with a free account. Dr. Simpson's employer is on file too: a community health center (fqhc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Zachary M. Simpson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Simpson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charleston Dorchester Mental Health Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Zachary M. Simpson is one of 630 psychiatrists in South Carolina
Psychiatry is Dr. Simpson's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Simpson is licensed in South Carolina.
Specialties and state licenses
- Psychiatry, South CarolinaPrimary
Psychiatrists near Dr. Simpson
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. Zachary M. Simpson's patients have a median age of 29
Across all payers, Dmand AI patient panel data puts Dr. Simpson's median patient age at 29, with 88% women.
Dr. Simpson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 29
Patient panel by sex, all payers
- Women88%
- Men12%
Source: Dmand AI Patient Panel Data
Dr. Zachary M. Simpson wrote 169 Medicare Part D claims in 2024
In 2024, Dr. Simpson wrote 169 Medicare Part D claims for 24 patients. 89% of them were for generic drugs.
Dr. Simpson's Part D claims by kind of drug, 2024
- Generic151 claims89%
- Brand-name18 claims11%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Zachary M. Simpson received $466 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Dr. Simpson from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $234.
General payments to Dr. Simpson by program year, 2024 to 2025
Companies that paid Dr. Simpson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Zachary M. Simpson'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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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. Zachary M. Simpson
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. Zachary M. Simpson's NPI number?
Dr. Zachary M. Simpson's NPI number is 1154807105. It was assigned on July 12, 2018, and it is active in the NPI Registry.
What kind of doctor is Dr. Zachary M. Simpson?
Dr. Zachary M. Simpson is a psychiatrist in Charleston, South Carolina. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Zachary M. Simpson practice?
Dr. Simpson practices at 2100 Charlie Hall Blvd, Charleston, SC 29414. Dr. Simpson's primary practice is Charleston Dorchester Mental Health Center in Charleston, South Carolina. Dmand AI also links Dr. Simpson to 1 behavioral health center.
What is Dr. Zachary M. Simpson's office phone number?
The practice phone on file for Dr. Simpson is (843) 852-4100.
What is Dr. Zachary M. Simpson's medical license number?
Dr. Simpson holds South Carolina license LL90341.
Has Dr. Zachary M. Simpson received payments from drug or device companies?
CMS Open Payments shows $466 in general payments to Dr. Simpson from 3 companies from 2024 to 2025. The largest total came from Alkermes, Inc.
How long has Dr. Zachary M. Simpson been practicing?
Dr. Simpson's NPI was assigned in 2018.
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