Dr. Richard Ernest Mills, MD

  • Mount Pleasant, SC
  • Internist
NPI1518919828PAC ID6406906981
Medicare services, 2024
4,092
Medicare patients, 2024
519
Part D claims, 2024
7,046
Clinical trials
2
Hospital affiliations
5
Practice address
180 Wingo Way Ste 207 Suite 207, Mount Pleasant, SC 29464
Practice phone
Call (843) 884-5101
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Roper St. Francis Physician Partners Primary Care

Primary care practice · Mount Pleasant, South Carolina

See all 12 affiliations

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Dr. Richard Ernest Mills is an internist in Mount Pleasant, South Carolina

Dr. Mills practices at Roper St. Francis Physician Partners Primary Care in Mount Pleasant, South Carolina.

Dr. Mills' NPI, 1518919828, was assigned on May 16, 2006. Dr. Mills graduated from University of Miami, Lm Miller School of Medicine in 1985. Dr. Mills holds South Carolina license SC12886.

NPI and contact details
Medicare PAC ID
6406906981
NPI enumeration date
May 16, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(843) 884-5101
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
67
Medical school graduation
1985

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Richard Ernest Mills practices at Roper St. Francis Physician Partners Primary Care in Mount Pleasant, South Carolina

Dr. Mills' primary practice is Roper St. Francis Physician Partners Primary Care, at 180 Wingo Way Ste 207 Suite 207, Mount Pleasant, SC 29464. The practice phone is (843) 884-5101.

  • Roper St. Francis Physician Partners Primary Care
    180 Wingo Way Ste 207 Suite 207, Mount Pleasant, SC 29464Phone(843) 884-5101

Source: Dmand AI Affiliation Data

Dr. Richard Ernest Mills is affiliated with 10 sites of care and 2 medical groups

Dr. Mills' primary practice is Roper St. Francis Physician Partners Primary Care in Mount Pleasant, South Carolina. Dr. Mills is also affiliated with Roper St. Francis Mount Pleasant Hospital. The medical group on file is Roper St. Francis Physician Partners General Surgery. Dmand AI also links Dr. Mills to 4 more hospitals, 3 home health agencies, 1 group practice or clinic and 1 medical group, each named with a free account.

See all 12 affiliations for Dr. Mills

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Richard Ernest Mills' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mills practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Roper St. Francis Physician Partners Primary CareAvailable with a free account
+9 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Richard Ernest Mills is one of 1,707 internists in South Carolina

Internal medicine is Dr. Mills' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mills is licensed in South Carolina.

Specialties and state licenses

  • Internal medicine, South CarolinaPrimaryLicense SC12886 · taxonomy 207R00000X

Internists near Dr. Mills

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. Richard Ernest Mills billed Medicare for 4,092 services in 2024

CMS data shows 4,092 Medicare services from Dr. Mills across 23 procedure codes in 2024, for 519 Medicare patients. Medicare paid $221,103 for them. Every service was in an office.

Medicare services, 20244,092
Medicare patients519
Paid by Medicare$221,103
Procedure codes23

Dr. Mills' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,7762024: 1,6955%
Other services
2023: 6642024: 1,17577%
Drugs given in the office
2023: 6302024: 6483%
Tests and treatments
2023: 5402024: 5056%
Lab and pathology
2023: 582024: 6919%

Dr. Mills compared with the South Carolina median for internists, 2024

  • Dr. Mills
  • South Carolina median
Medicare services
4,092vs 7405.5 times
Medicare patients
519vs 2582.0 times
Part D claims
6,240vs 33118.9 times

Medians across 1,708 internists in South Carolina with Dmand AI profiles that report each measure.

Dr. Mills' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Mills

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Richard Ernest Mills treated 519 Medicare patients in 2024, average age 76

CMS counts 519 Medicare patients who saw Dr. Mills in 2024. The largest group is 75 to 84, with 225 patients. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 1.09, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mills' median patient age at 73, with 52% women.

Medicare patients, 2024519
Average age76
Average risk score1.09

Dr. Mills' Medicare patients by age, 2024

Dr. Mills' Medicare patients by sex, 2024

  • Women23445%
  • Men28555%

Chronic conditions among Dr. Mills' Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis46%
  4. Mood disorders27%
  5. Anxiety26%
  6. Depression25%
  7. Diabetes25%
  8. Ischemic heart disease24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Mills' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 73

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Richard Ernest Mills wrote 7,046 Medicare Part D claims in 2024

In 2024, Dr. Mills wrote 7,046 Medicare Part D claims for 574 patients. 89% of them were for generic drugs. CMS names the drug for 6,240 of them, across 125 drugs with 11 or more claims each, at $452,377 in total drug cost. In 2023, CMS named 4,874 claims across 111 drugs.

Part D claims, 20247,046
Drugs named by CMS125
Total drug cost$452,377
Part D patients574

Dr. Mills' Part D claims by kind of drug, 2024

  • Generic6,238 claims89%
  • Brand-name777 claims11%
  • Other31 claims0%

Dr. Mills' 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. Mills' Part D claims, 2024

  • Opioids8%569 of 7,046 claims
  • Antibiotics3%230 of 7,046 claims
  • Antipsychotics, patients 65 and over1%56 of 7,046 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: 4,8742024: 6,24028%

Drugs named by CMS: 125 in 2024, 111 in 2023.

See all prescribing by Dr. Mills

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

Dr. Richard Ernest Mills offers telehealth to Medicare patients

Dr. Mills accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mills as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Richard Ernest Mills has worked on 2 clinical trials

Dmand AI links Dr. Mills to 2 clinical trials. Conditions studied include Enterocolitis, Pseudomembranous, Osteoarthritis, Hip and Enterocolitis. Open Payments lists research payments to Dr. Mills that name 4 trials.

Conditions in Dr. Mills' trials

  • Enterocolitis, Pseudomembranous
  • Osteoarthritis, Hip
  • Enterocolitis
  • Osteoarthritis, Knee

Investigators on the most trials with Dr. Mills

Recent clinical trials with Dr. Mills

Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage

Dr. Richard Ernest Mills received $28,403 in industry payments from 2016 to 2025

CMS Open Payments shows 1,466 general payments to Dr. Mills from 71 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 83% of the total. Novo Nordisk AS paid the most, $3,777. It also lists 36 research payments totaling $39,445 from 2016 to 2025, naming 4 clinical trials.

General payments to Dr. Mills by program year, 2016 to 2025

General payments to Dr. Mills by kind, 2016 to 2025

$28.4Kin total
  • Food and beverage$23,67283%
  • Travel and lodging$4,45716%
  • Education$1631%
  • Consulting fees$1000%
  • Gifts$110%

Companies that paid Dr. Mills the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mills

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Richard Ernest Mills graduated from University of Miami, Lm Miller School of Medicine

Dr. Mills graduated from University of Miami, Lm Miller School of Medicine in 1985.

  1. Medical schoolUniversity of Miami, Lm Miller School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Richard Ernest Mills's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Clinical trials and co-investigatorsClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Richard Ernest Mills

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. Richard Ernest Mills' NPI number?

Dr. Richard Ernest Mills' NPI number is 1518919828. It was assigned on May 16, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Richard Ernest Mills?

Dr. Richard Ernest Mills is an internist in Mount Pleasant, South Carolina. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Richard Ernest Mills practice?

Dr. Mills practices at 180 Wingo Way Ste 207 Suite 207, Mount Pleasant, SC 29464. Dr. Mills' primary practice is Roper St. Francis Physician Partners Primary Care in Mount Pleasant, South Carolina. Dmand AI also links Dr. Mills to 4 hospitals, 3 home health agencies, 1 group practice or clinic and 1 medical group.

What is Dr. Richard Ernest Mills' office phone number?

The practice phone on file for Dr. Mills is (843) 884-5101.

What is Dr. Richard Ernest Mills' medical license number?

Dr. Mills holds South Carolina license SC12886.

Which hospitals is Dr. Richard Ernest Mills affiliated with?

Dr. Mills is affiliated with Roper St. Francis Mount Pleasant Hospital. Dmand AI links Dr. Mills to 4 more hospitals.

What medical group is Dr. Richard Ernest Mills part of?

Dr. Mills is linked to Roper St. Francis Physician Partners General Surgery. Dmand AI links Dr. Mills to 1 more medical group.

Does Dr. Richard Ernest Mills accept Medicare?

Yes. CMS data shows Dr. Mills billed Medicare for 4,092 services in 2024, and Dr. Mills accepts Medicare assignment.

Does Dr. Richard Ernest Mills offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mills as offering telehealth services.

How many Medicare patients does Dr. Richard Ernest Mills see?

CMS counts 519 Medicare patients who saw Dr. Mills in 2024, with an average age of 76.

Show 6 more questionsShow fewer questions

What services does Dr. Richard Ernest Mills bill to Medicare?

In 2024, Dr. Mills' most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and infusion or chemotherapy administration (96372).

Where did Dr. Richard Ernest Mills go to medical school?

Dr. Mills graduated from University of Miami, Lm Miller School of Medicine in 1985.

What drugs does Dr. Richard Ernest Mills prescribe most?

In 2024 Medicare Part D data, Dr. Mills' most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.

Has Dr. Richard Ernest Mills received payments from drug or device companies?

CMS Open Payments shows $28,403 in general payments to Dr. Mills from 71 companies from 2016 to 2025. The largest total came from Novo Nordisk AS.

How long has Dr. Richard Ernest Mills been practicing?

Dr. Mills graduated from medical school in 1985, 41 years ago.

Does Dr. Richard Ernest Mills do research?

Dr. Mills has worked on 2 clinical trials.

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