Dr. Aaron L. Rittgers, MD
- Medicare services, 2024
- 1,012
- Medicare patients, 2024
- 351
- Part D claims, 2024
- 342
- Hospital affiliations
- 1
- Industry payments
- $2,206
- Practice address
- 9352 Park West Blvd, Knoxville, TN 37923
- Practice phone
- Call (865) 970-1001
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rittgers' 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. Aaron L. Rittgers is a pulmonologist in Knoxville, Tennessee
Dr. Rittgers practices at Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health.
Dr. Rittgers' NPI, 1205871423, was assigned on June 19, 2006. Dr. Rittgers graduated from Mercer University School of Medicine in 1998. Dr. Rittgers holds Tennessee license 35297.
- NPI
- 1205871423NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183702194
- NPI enumeration date
- June 19, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 970-1001
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Aaron L. Rittgers practices at Covenant Health Parkwest in Knoxville, Tennessee
Dr. Rittgers' primary practice is Covenant Health Parkwest, at 9352 Park West Blvd, Knoxville, TN 37923 in Knox County. The practice phone is (865) 970-1001.
- Covenant Health Parkwest9352 Park West Blvd, Knoxville, TN 37923 · Knox CountyPhone(865) 970-1001
Source: Dmand AI Affiliation Data
Dr. Aaron L. Rittgers is affiliated with 2 sites of care
Dr. Rittgers' primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dmand AI also links Dr. Rittgers to 1 home health agency, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Aaron L. Rittgers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rittgers practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Covenant Health Parkwest | 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 Covenant Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Aaron L. Rittgers is one of 332 pulmonologists in Tennessee
Pulmonary disease is Dr. Rittgers' primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Rittgers is licensed in Tennessee.
Specialties and state licenses
- Pulmonary disease, TennesseePrimary
Pulmonologists near Dr. Rittgers
Counts of pulmonologists 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. Aaron L. Rittgers billed Medicare for 1,012 services in 2024
CMS data shows 1,012 Medicare services from Dr. Rittgers across 5 procedure codes in 2024, for 351 Medicare patients. Medicare paid $72,153 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rittgers' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,0752024: 1,0126%
Dr. Rittgers compared with the Tennessee median for pulmonologists, 2024
- Dr. Rittgers
- Tennessee median
- Medicare services
- 1,012vs 75434% above
- Medicare patients
- 351vs 28324% above
- Part D claims
- 165vs 46665% below
Medians across 326 pulmonologists in Tennessee with Dmand AI profiles that report each measure.
Dr. Rittgers' 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.
Need commercial claims for Dr. Rittgers?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rittgers and other pulmonologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Aaron L. Rittgers treated 351 Medicare patients in 2024, average age 77
CMS counts 351 Medicare patients who saw Dr. Rittgers in 2024. The largest group is 75 to 84, with 155 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 2.14, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Rittgers' median patient age at 71, with 53% women.
Dr. Rittgers' Medicare patients by age, 2024
Dr. Rittgers' Medicare patients by sex, 2024
- Women19154%
- Men16046%
Chronic conditions among Dr. Rittgers' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis64%
- Anxiety48%
- Chronic kidney disease48%
- Ischemic heart disease48%
- Mood disorders48%
- Depression46%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rittgers' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Aaron L. Rittgers wrote 342 Medicare Part D claims in 2024
In 2024, Dr. Rittgers wrote 342 Medicare Part D claims for 160 patients. 84% of them were for generic drugs. CMS names the drug for 165 of them, across 10 drugs with 11 or more claims each, at $23,501 in total drug cost. In 2023, CMS named 74 claims across 5 drugs.
Dr. Rittgers' Part D claims by kind of drug, 2024
- Generic286 claims84%
- Brand-name and other56 claims16%
Dr. Rittgers' 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. Rittgers' Part D claims, 2024
- Opioids4%14 of 342 claims
- Antibiotics21%72 of 342 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: 742024: 165123%
Drugs named by CMS: 10 in 2024, 5 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. Aaron L. Rittgers takes part in Medicare
Dr. Rittgers 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. Aaron L. Rittgers received $2,206 in industry payments from 2016 to 2025
CMS Open Payments shows 74 general payments to Dr. Rittgers from 13 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, $596.
General payments to Dr. Rittgers by program year, 2016 to 2025
Companies that paid Dr. Rittgers 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. Aaron L. Rittgers graduated from Mercer University School of Medicine
Dr. Rittgers graduated from Mercer University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Aaron L. Rittgers'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 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) |
| 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. Aaron L. Rittgers
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. Aaron L. Rittgers' NPI number?
Dr. Aaron L. Rittgers' NPI number is 1205871423. It was assigned on June 19, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Aaron L. Rittgers?
Dr. Aaron L. Rittgers is a pulmonologist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Aaron L. Rittgers practice?
Dr. Rittgers practices at 9352 Park West Blvd, Knoxville, TN 37923. Dr. Rittgers' primary practice is Covenant Health Parkwest in Knoxville, Tennessee, part of Covenant Health. Dmand AI also links Dr. Rittgers to 1 home health agency.
What is Dr. Aaron L. Rittgers' office phone number?
The practice phone on file for Dr. Rittgers is (865) 970-1001.
What is Dr. Aaron L. Rittgers' medical license number?
Dr. Rittgers holds Tennessee license 35297.
Which hospitals is Dr. Aaron L. Rittgers affiliated with?
Dr. Rittgers practices at Covenant Health Parkwest in Knoxville, Tennessee.
Does Dr. Aaron L. Rittgers accept Medicare?
Yes. CMS data shows Dr. Rittgers billed Medicare for 1,012 services in 2024, and Dr. Rittgers accepts Medicare assignment.
How many Medicare patients does Dr. Aaron L. Rittgers see?
CMS counts 351 Medicare patients who saw Dr. Rittgers in 2024, with an average age of 77.
What services does Dr. Aaron L. Rittgers bill to Medicare?
In 2024, Dr. Rittgers' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Aaron L. Rittgers go to medical school?
Dr. Rittgers graduated from Mercer University School of Medicine in 1998.
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What drugs does Dr. Aaron L. Rittgers prescribe most?
In 2024 Medicare Part D data, Dr. Rittgers' most prescribed drugs by claims were Eliquis, Prednisone and Levofloxacin.
Has Dr. Aaron L. Rittgers received payments from drug or device companies?
CMS Open Payments shows $2,206 in general payments to Dr. Rittgers from 13 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Aaron L. Rittgers been practicing?
Dr. Rittgers graduated from medical school in 1998, 28 years ago.
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