Gregory Clifford Nelson, PA
- Part D claims, 2024
- 1,449
- Hospital affiliations
- 1
- Industry payments
- $11,393
- Medical group
- 1
- State license
- 1
- Practice address
- 13100 Studerbaker Road, Norwalk, CA 90650
- Practice phone
- Call (562) 868-3751
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Gregory Nelson'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.
Gregory Clifford Nelson is a physician assistant in Norwalk, California
Gregory Nelson practices at Coast Plaza Hospital in Norwalk, California, part of Pipeline Health System.
Gregory Nelson's NPI, 1396142311, was assigned on November 20, 2014. Gregory Nelson holds California license 1121110.
- NPI
- 1396142311NPI Registry (opens in a new tab)
- NPI enumeration date
- November 20, 2014
- NPI status
- Active
- Practice phone
- (562) 868-3751
- 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
Gregory Clifford Nelson practices at Coast Plaza Hospital in Norwalk, California
Gregory Nelson's primary practice is Coast Plaza Hospital, at 13100 Studerbaker Road, Norwalk, CA 90650 in Los Angeles County. The practice phone is (562) 868-3751.
- Coast Plaza Hospital13100 Studerbaker Road, Norwalk, CA 90650 · Los Angeles CountyPhone(562) 868-3751
Source: Dmand AI Affiliation Data
Gregory Clifford Nelson is affiliated with 2 sites of care and 1 medical group
Gregory Nelson's primary practice is Coast Plaza Hospital in Norwalk, California, part of Pipeline Health System. The medical group on file is Neurology and Pain Specialty Center. Dmand AI also links Gregory Nelson to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gregory Clifford Nelson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gregory Nelson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Coast Plaza Hospital | Available with a free account |
| +1 more affiliated site | 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 Pipeline Health System and 6.2K+ hospitals, with verified contacts in the same login.
Gregory Clifford Nelson is one of 11,482 physician assistants in California
Physician assistant is Gregory Nelson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gregory Nelson is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Gregory Nelson is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Gregory Nelson
Counts of physician assistants 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
Gregory Clifford Nelson's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Gregory Nelson's median patient age at 50, with 38% women.
Gregory Nelson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Gregory Clifford Nelson wrote 1,449 Medicare Part D claims in 2024
In 2024, Gregory Nelson wrote 1,449 Medicare Part D claims for 238 patients. 85% of them were for generic drugs. CMS names the drug for 1,253 of them, across 38 drugs with 11 or more claims each, at $207,581 in total drug cost.
Gregory Nelson's Part D claims by kind of drug, 2024
- Generic1,235 claims85%
- Brand-name214 claims15%
Gregory Nelson'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 Gregory Nelson's Part D claims, 2024
- Antipsychotics, patients 65 and over6%86 of 1,449 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Gregory Clifford Nelson received $11,393 in industry payments from 2024 to 2025
CMS Open Payments shows 453 general payments to Gregory Nelson from 38 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 85% of the total. Abbvie Inc. paid the most, $3,088.
General payments to Gregory Nelson by program year, 2024 to 2025
General payments to Gregory Nelson by kind, 2024 to 2025
- Food and beverage$9,72985%
- Consulting fees$1,50013%
- Education$1631%
Companies that paid Gregory Nelson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Gregory Clifford Nelson is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Gregory Clifford Nelson'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) |
| 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 Gregory Clifford Nelson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gregory Clifford Nelson's NPI number?
Gregory Clifford Nelson's NPI number is 1396142311. It was assigned on November 20, 2014, and it is active in the NPI Registry.
What does Gregory Clifford Nelson specialize in?
Gregory Clifford Nelson is a physician assistant in Norwalk, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gregory Clifford Nelson practice?
Gregory Nelson practices at 13100 Studerbaker Road, Norwalk, CA 90650. Gregory Nelson's primary practice is Coast Plaza Hospital in Norwalk, California, part of Pipeline Health System. Dmand AI also links Gregory Nelson to 1 group practice or clinic.
What is Gregory Clifford Nelson's office phone number?
The practice phone on file for Gregory Nelson is (562) 868-3751.
What is Gregory Clifford Nelson's medical license number?
Gregory Nelson holds California license 1121110.
Which hospitals is Gregory Clifford Nelson affiliated with?
Gregory Nelson practices at Coast Plaza Hospital in Norwalk, California.
What medical group is Gregory Clifford Nelson part of?
Gregory Nelson is linked to Neurology and Pain Specialty Center.
Is Gregory Clifford Nelson board certified?
Yes. Gregory Nelson is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Gregory Clifford Nelson prescribe most?
In 2024 Medicare Part D data, Gregory Nelson's most prescribed drugs by claims were Donepezil HCl, Memantine HCl and Gabapentin.
Has Gregory Clifford Nelson received payments from drug or device companies?
CMS Open Payments shows $11,393 in general payments to Gregory Nelson from 38 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Gregory Clifford Nelson been practicing?
Gregory Nelson's NPI was assigned in 2014.
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