Dr. Gary D. Riddle, MD
- Medicare services, 2024
- 2,097
- Medicare patients, 2024
- 475
- Part D claims, 2024
- 9,539
- Hospital affiliations
- 3
- Industry payments
- $9,927
- Practice address
- 115 S Main St Ferdinand Family Medicine, Ferdinand, IN 47532-9534
- Practice phone
- Call (812) 367-1906
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorial Hospital And Health Care Center Ferdinand Family Medicine
Primary care practice · Ferdinand, Indiana
Find Dr. Riddle's professional email, personal email and mobile number
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Dr. Gary D. Riddle is a family medicine physician in Ferdinand, Indiana
Dr. Riddle practices at Memorial Hospital And Health Care Center Ferdinand Family Medicine in Ferdinand, Indiana.
Dr. Riddle's NPI, 1942223839, was assigned on July 25, 2006. Dr. Riddle graduated from Indiana University School of Medicine in 1994. Dr. Riddle holds Indiana license IN01043786.
- NPI
- 1942223839NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759475577
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (812) 367-1906
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gary D. Riddle practices at Memorial Hospital and Health Care Center Ferdinand Family Medicine in Ferdinand, Indiana
Dr. Riddle's primary practice is Memorial Hospital and Health Care Center Ferdinand Family Medicine, at 115 S Main St Ferdinand Family Medicine, Ferdinand, IN 47532-9534. The practice phone is (812) 367-1906.
- Memorial Hospital and Health Care Center Ferdinand Family Medicine115 S Main St Ferdinand Family Medicine, Ferdinand, IN 47532-9534Phone(812) 367-1906
Source: Dmand AI Affiliation Data
Dr. Gary D. Riddle is affiliated with 11 sites of care and 2 medical groups
Dr. Riddle's primary practice is Memorial Hospital And Health Care Center Ferdinand Family Medicine in Ferdinand, Indiana. Dr. Riddle is also affiliated with Deaconess Midtown Hospital. The medical group on file is Deaconess Clinic. Dmand AI also links Dr. Riddle to 2 more hospitals, 3 home health agencies, 2 hospices, 1 group practice or clinic, 1 skilled nursing facility and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Gary D. Riddle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Riddle practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorial Hospital And Health Care Center Ferdinand Family Medicine | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gary D. Riddle is one of 3,028 family medicine physicians in Indiana
Family medicine is Dr. Riddle's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Riddle is licensed in Indiana.
Specialties and state licenses
- Family medicine, IndianaPrimary
Family medicine physicians near Dr. Riddle
Counts of family medicine 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. Gary D. Riddle billed Medicare for 2,097 services in 2024
CMS data shows 2,097 Medicare services from Dr. Riddle across 15 procedure codes in 2024, for 475 Medicare patients. Medicare paid $95,973 for them.
Dr. Riddle's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8142024: 814No change
- Drugs given in the office
- 2023: 152024: 6804433%
- Other services
- 2023: 2882024: 35824%
- Lab and pathology
- 2023: 1142024: 15839%
- Tests and treatments
- 2023: 1052024: 8717%
Where Dr. Riddle's Medicare services took place, 2024
- In an office2,03597%
- In a facility623%
Dr. Riddle compared with the Indiana median for family medicine physicians, 2024
- Dr. Riddle
- Indiana median
- Medicare services
- 2,097vs 4005.2 times
- Medicare patients
- 475vs 1652.9 times
- Part D claims
- 8,810vs 1,2287.2 times
Medians across 3,080 family medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Riddle's 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Riddle and other family medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary D. Riddle treated 475 Medicare patients in 2024, average age 74
CMS counts 475 Medicare patients who saw Dr. Riddle in 2024. The largest group is 65 to 74, with 269 patients. 75% of them have high cholesterol, and 66% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.83, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Riddle's median patient age at 64, with 51% women.
Dr. Riddle's Medicare patients by age, 2024
Dr. Riddle's Medicare patients by sex, 2024
- Women23750%
- Men23850%
Chronic conditions among Dr. Riddle's Medicare patients, 2024
- High cholesterol75%
- High blood pressure66%
- Arthritis35%
- Ischemic heart disease23%
- Diabetes20%
- Atrial fibrillation18%
- Anxiety13%
- Heart failure13%
Share of Medicare patients with each condition. A patient can have several.
Dr. Riddle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gary D. Riddle wrote 9,539 Medicare Part D claims in 2024
In 2024, Dr. Riddle wrote 9,539 Medicare Part D claims for 639 patients. 88% of them were for generic drugs. CMS names the drug for 8,810 of them, across 150 drugs with 11 or more claims each, at $673,420 in total drug cost. In 2023, CMS named 8,872 claims across 158 drugs.
Dr. Riddle's Part D claims by kind of drug, 2024
- Generic8,401 claims88%
- Brand-name1,043 claims11%
- Other95 claims1%
Dr. Riddle'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. Riddle's Part D claims, 2024
- Opioids5%448 of 9,539 claims
- Antibiotics4%403 of 9,539 claims
- Antipsychotics, patients 65 and over1%92 of 9,539 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: 8,8722024: 8,8101%
Drugs named by CMS: 150 in 2024, 158 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. Gary D. Riddle takes part in Medicare
Dr. Riddle accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of skin lesions: 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. Gary D. Riddle received $9,927 in industry payments from 2016 to 2025
CMS Open Payments shows 695 general payments to Dr. Riddle from 42 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,412.
General payments to Dr. Riddle by program year, 2016 to 2025
General payments to Dr. Riddle by kind, 2016 to 2025
- Food and beverage$9,913100%
- Education$140%
Companies that paid Dr. Riddle the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary D. Riddle graduated from Indiana University School of Medicine
Dr. Riddle graduated from Indiana University School of Medicine in 1994.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary D. Riddle'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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)Doctors and Clinicians Utilization Data (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 Dr. Gary D. Riddle
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. Gary D. Riddle's NPI number?
Dr. Gary D. Riddle's NPI number is 1942223839. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary D. Riddle?
Dr. Gary D. Riddle is a family medicine physician in Ferdinand, Indiana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gary D. Riddle practice?
Dr. Riddle practices at 115 S Main St Ferdinand Family Medicine, Ferdinand, IN 47532-9534. Dr. Riddle's primary practice is Memorial Hospital And Health Care Center Ferdinand Family Medicine in Ferdinand, Indiana. Dmand AI also links Dr. Riddle to 2 hospitals, 3 home health agencies, 2 hospices, 1 group practice or clinic, 1 skilled nursing facility and 1 medical group.
What is Dr. Gary D. Riddle's office phone number?
The practice phone on file for Dr. Riddle is (812) 367-1906.
What is Dr. Gary D. Riddle's medical license number?
Dr. Riddle holds Indiana license IN01043786.
Which hospitals is Dr. Gary D. Riddle affiliated with?
Dr. Riddle is affiliated with Deaconess Midtown Hospital. Dmand AI links Dr. Riddle to 2 more hospitals.
What medical group is Dr. Gary D. Riddle part of?
Dr. Riddle is linked to Deaconess Clinic. Dmand AI links Dr. Riddle to 1 more medical group.
Does Dr. Gary D. Riddle accept Medicare?
Yes. CMS data shows Dr. Riddle billed Medicare for 2,097 services in 2024, and Dr. Riddle accepts Medicare assignment.
How many Medicare patients does Dr. Gary D. Riddle see?
CMS counts 475 Medicare patients who saw Dr. Riddle in 2024, with an average age of 74.
What services does Dr. Gary D. Riddle bill to Medicare?
In 2024, Dr. Riddle's most billed Medicare services were injected or infused drug (J1010), office visit, established patient (99214) and medicare service (G0439).
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Where did Dr. Gary D. Riddle go to medical school?
Dr. Riddle graduated from Indiana University School of Medicine in 1994.
What drugs does Dr. Gary D. Riddle prescribe most?
In 2024 Medicare Part D data, Dr. Riddle's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Lisinopril.
Has Dr. Gary D. Riddle received payments from drug or device companies?
CMS Open Payments shows $9,927 in general payments to Dr. Riddle from 42 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Gary D. Riddle been practicing?
Dr. Riddle graduated from medical school in 1994, 32 years ago.
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