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Dr. Felix James Allen, MD
NPI1558421750PAC ID0244133734
- Medicare services, 2023
- 85
- Part D claims, 2024
- 4,761
- Publications
- 1
- Hospital affiliations
- 3
- Industry payments
- $351
- Practice address
- 25 Hospital Center Blvd, Hilton Head Island, SC 29926
- Practice phone
- Call (704) 776-6195
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hilton Head Hospital
Hilton Head Island, South Carolina
Find Dr. Allen'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. Felix James Allen is an internist in Hilton Head Island, South Carolina
Dr. Allen practices at Hilton Head Hospital in Hilton Head Island, South Carolina.
Dr. Allen's NPI, 1558421750, was assigned on December 11, 2006. Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1989. Dr. Allen holds Alabama license 15363.
NPI and contact details
- NPI
- 1558421750NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0244133734
- NPI enumeration date
- December 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (704) 776-6195
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Felix James Allen practices at Hilton Head Hospital in Hilton Head Island, South Carolina
Dr. Allen's primary practice is Hilton Head Hospital, at 25 Hospital Center Blvd, Hilton Head Island, SC 29926 in Beaufort County. The practice phone is (704) 776-6195.
- Hilton Head Hospital25 Hospital Center Blvd, Hilton Head Island, SC 29926 · Beaufort CountyPhone(704) 776-6195
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Felix James Allen is affiliated with 4 sites of care and 1 medical group
Dr. Allen's primary practice is Hilton Head Hospital in Hilton Head Island, South Carolina. Dr. Allen is also affiliated with Novant Health Hilton Head Medical Center. The medical group on file is Novant Health Orthopedics & Sports Medicine, Belfair. Dmand AI also links Dr. Allen to 2 more hospitals, each named with a free account.
Hilton Head HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Felix James Allen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Allen practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hilton Head Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Allen practices
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Dr. Felix James Allen is one of 1,707 internists in South Carolina
Internal medicine is Dr. Allen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Allen is licensed in Alabama.
Specialties and state licenses
- Internal medicine, AlabamaPrimary
Internists near Dr. Allen
Counts of internists 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. Felix James Allen billed Medicare for 85 services in 2023
CMS data shows 85 Medicare services from Dr. Allen across 2 procedure codes in 2023. Medicare paid $6,749 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202385
Paid by Medicare$6,749
Procedure codes2
Dr. Allen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1142023: 8525%
Dr. Allen compared with the South Carolina median for internists, 2023
- Dr. Allen
- South Carolina median
- Medicare services
- 85vs 74089% below
- Part D claims
- 4,304vs 33113.0 times
Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.
Dr. Allen's most billed Medicare procedure codes, 2023
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. Allen and other internists in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Felix James Allen's patients have a median age of 81
Across all payers, Dmand AI patient panel data puts Dr. Allen's median patient age at 81, with 51% women.
Dr. Allen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 81
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. Felix James Allen wrote 4,761 Medicare Part D claims in 2024
In 2024, Dr. Allen wrote 4,761 Medicare Part D claims for 105 patients. 85% of them were for generic drugs. CMS names the drug for 4,304 of them, across 116 drugs with 11 or more claims each, at $356,578 in total drug cost. In 2023, CMS named 5,256 claims across 137 drugs.
Part D claims, 20244,761
Drugs named by CMS116
Total drug cost$356,578
Part D patients105
Dr. Allen's Part D claims by kind of drug, 2024
- Generic4,064 claims85%
- Brand-name and other697 claims15%
Dr. Allen'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 Dr. Allen's Part D claims, 2024
- Opioids2%106 of 4,761 claims
- Antibiotics1%60 of 4,761 claims
- Antipsychotics, patients 65 and over2%97 of 4,761 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 5,2562024: 4,30418%
Drugs named by CMS: 116 in 2024, 137 in 2023.
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
How Dr. Felix James Allen takes part in Medicare
Dr. Allen accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Felix James Allen has 1 publication on record
Dmand AI links 1 paper to Dr. Allen in 2021.
Papers1
Recent publications by Dr. Allen
See who Dr. Allen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Allen works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Felix James Allen received $351 in industry payments from 2016 to 2021
CMS Open Payments shows 17 general payments to Dr. Allen from 11 drug and device companies from 2016 to 2021. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $154.
General payments to Dr. Allen by program year, 2016 to 2021
Companies that paid Dr. Allen the most, 2016 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Felix James Allen graduated from Medical University of South Carolina College of Medicine
Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Felix James Allen'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Felix James Allen
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. Felix James Allen's NPI number?
Dr. Felix James Allen's NPI number is 1558421750. It was assigned on December 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Felix James Allen?
Dr. Felix James Allen is an internist in Hilton Head Island, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Felix James Allen practice?
Dr. Allen practices at 25 Hospital Center Blvd, Hilton Head Island, SC 29926. Dr. Allen's primary practice is Hilton Head Hospital in Hilton Head Island, South Carolina. Dmand AI also links Dr. Allen to 2 hospitals.
What is Dr. Felix James Allen's office phone number?
The practice phone on file for Dr. Allen is (704) 776-6195.
What is Dr. Felix James Allen's medical license number?
Dr. Allen holds Alabama license 15363.
Which hospitals is Dr. Felix James Allen affiliated with?
Dr. Allen is affiliated with Novant Health Hilton Head Medical Center. Dmand AI links Dr. Allen to 2 more hospitals.
What medical group is Dr. Felix James Allen part of?
Dr. Allen is linked to Novant Health Orthopedics & Sports Medicine, Belfair.
Does Dr. Felix James Allen accept Medicare?
Yes. CMS data shows Dr. Allen billed Medicare for 85 services in 2023, and Dr. Allen accepts Medicare assignment.
What services does Dr. Felix James Allen bill to Medicare?
In 2023, Dr. Allen's most billed Medicare services were nursing facility care (99309) and nursing facility care (99305).
Where did Dr. Felix James Allen go to medical school?
Dr. Allen graduated from Medical University of South Carolina College of Medicine in 1989.
Show 4 more questionsShow fewer questions
What drugs does Dr. Felix James Allen prescribe most?
In 2024 Medicare Part D data, Dr. Allen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Famotidine.
Has Dr. Felix James Allen received payments from drug or device companies?
CMS Open Payments shows $351 in general payments to Dr. Allen from 11 companies from 2016 to 2021. The largest total came from Pfizer Inc.
How long has Dr. Felix James Allen been practicing?
Dr. Allen graduated from medical school in 1989, 37 years ago.
Does Dr. Felix James Allen do research?
Dmand AI links 1 publication to Dr. Allen.
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