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Dr. Robert Edward Erwin, MD
NPI1184776395
- Part D claims, 2026
- 20
- Publications
- 4
- Industry payments
- $415
- State licenses
- 2
- Year NPI issued
- 2007
- Practice address
- CA
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Erwin's professional email, personal email and mobile number
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Dr. Robert Edward Erwin is a general practice physician in California
Dr. Erwin practices in California.
Dr. Erwin's NPI, 1184776395, was assigned on January 17, 2007. Dr. Erwin graduated from Medical University of South Carolina (MUSC) in 1993. Dr. Erwin holds California license G084948.
NPI and contact details
- NPI
- 1184776395NPI Registry (opens in a new tab)
- NPI enumeration date
- January 17, 2007
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dmand AI tracks the EHR system at Dr. Robert Edward Erwin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Erwin practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Erwin's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Edward Erwin is one of 1,526 general practice physicians in California
General practice is Dr. Erwin's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Erwin's licenses on file in 2 states: California and South Carolina.
Specialties and state licenses
- General practice, CaliforniaPrimary
- South Carolina license
General practice physicians near Dr. Erwin
Counts of general practice physicians 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. Robert Edward Erwin's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Erwin's median patient age at 49, with 64% women.
Dr. Erwin'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
- Women64%
- Men36%
Source: Dmand AI Patient Panel Data
Dr. Robert Edward Erwin wrote 20 Medicare Part D claims in 2026
In 2026, Dr. Erwin wrote 20 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $1,081 in total drug cost. In 2020, CMS named 19 claims across 1 drug.
Part D claims, 202620
Drugs named by CMS1
Total drug cost$1,081
Dr. Erwin'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.
Part D claims for drugs CMS names, 2020 to 2024
- 2020
- 2024
- Claims for drugs CMS names
- 2020: 192024: 1237%
Drugs named by CMS: 1 in 2024, 1 in 2020.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data
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Dr. Robert Edward Erwin has 4 publications on record
Dmand AI links 4 papers to Dr. Erwin. The most frequent topics are Cell Differentiation, Cells, Cultured and Chromatography, Thin Layer.
Papers4
Topics Dr. Erwin writes about most
- Cell Differentiation
- Cells, Cultured
- Chromatography, Thin Layer
- Muscles
- Phospholipids
Recent publications by Dr. Erwin
Mol Cell Biochem
Cell DifferentiationCells, CulturedChromatography, Thin Layer
CholesterolChromatography, Thin LayerGlycolipids
Cell DifferentiationCells, CulturedChick Embryo
See who Dr. Erwin researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Erwin works with, so you can find a warm path to the right general practice physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Edward Erwin received $415 in industry payments from 2017 to 2023
CMS Open Payments shows 16 general payments to Dr. Erwin from 2 drug and device companies from 2017 to 2023. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $309.
General payments to Dr. Erwin by program year, 2017 to 2023
Companies that paid Dr. Erwin the most, 2017 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Edward Erwin graduated from Medical University of South Carolina (MUSC)
Dr. Erwin graduated from Medical University of South Carolina (MUSC) in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Edward Erwin'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Robert Edward Erwin
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. Robert Edward Erwin's NPI number?
Dr. Robert Edward Erwin's NPI number is 1184776395. It was assigned on January 17, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Edward Erwin?
Dr. Robert Edward Erwin is a general practice physician in California. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
What is Dr. Robert Edward Erwin's email address?
Dmand AI checks professional and personal email addresses for Dr. Erwin through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.
What is Dr. Robert Edward Erwin's medical license number?
Dr. Erwin holds California license G084948, one of the licenses on file in 2 states.
Which states has Dr. Robert Edward Erwin been licensed in?
Dmand AI has state licenses on file for Dr. Erwin in California (1998 to 2026) and South Carolina (1995 to 2021).
Where did Dr. Robert Edward Erwin go to medical school?
Dr. Erwin graduated from Medical University of South Carolina (MUSC) in 1993.
What drugs does Dr. Robert Edward Erwin prescribe most?
In 2024 Medicare Part D data, Dr. Erwin's most prescribed drugs by claims were Celecoxib.
Has Dr. Robert Edward Erwin received payments from drug or device companies?
CMS Open Payments shows $415 in general payments to Dr. Erwin from 2 companies from 2017 to 2023. The largest total came from Indivior Inc.
How long has Dr. Robert Edward Erwin been practicing?
Dr. Erwin graduated from medical school in 1993, 33 years ago.
Does Dr. Robert Edward Erwin do research?
Dmand AI links 4 publications to Dr. Erwin.
What EHR does Dr. Robert Edward Erwin's practice use?
Dmand AI tracks the EHR system at Dr. Erwin's practice. The vendor and product are available with a free Dmand AI account.
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