Dr. Robert John Hieger, MD
- Medicare services, 2024
- 512
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 11,236
- Hospital affiliations
- 3
- Industry payments
- $6,741
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hieger'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. Robert John Hieger is a family medicine physician in Saint Louis, Missouri
Dr. Hieger practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Hieger's NPI, 1801328612, was assigned on March 30, 2017. Dr. Hieger graduated from Saint Louis University School of Medicine in 2017. Dr. Hieger holds Missouri license 2020021407.
- NPI
- 1801328612NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4789959438
- NPI enumeration date
- March 30, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert John Hieger practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Hieger's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Robert John Hieger is affiliated with 7 sites of care and 2 medical groups
Dr. Hieger's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Hieger is also affiliated with Mercy Hospital South. The medical group on file is Mercy Clinic East Communities. Dmand AI also links Dr. Hieger to 1 more hospital, 2 group practices and clinics, 2 home health agencies and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert John Hieger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hieger practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +6 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert John Hieger is one of 2,412 family medicine physicians in Missouri
Family medicine is Dr. Hieger's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hieger is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Dr. Hieger
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. Robert John Hieger billed Medicare for 512 services in 2024
CMS data shows 512 Medicare services from Dr. Hieger across 7 procedure codes in 2024, for 203 Medicare patients. Medicare paid $43,813 for them. Every service was in an office.
Dr. Hieger's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3622024: 3309%
- Other services
- 2023: 1812024: 14719%
- Tests and treatments
- 2023: 482024: 2450%
- Lab and pathology
- 2023: 182024: 1139%
Dr. Hieger compared with the Missouri median for family medicine physicians, 2024
- Dr. Hieger
- Missouri median
- Medicare services
- 512vs 33354% above
- Medicare patients
- 203vs 15630% above
- Part D claims
- 10,424vs 1,2318.5 times
Medians across 2,555 family medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Hieger'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.
Need commercial claims for Dr. Hieger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hieger and other family medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert John Hieger treated 203 Medicare patients in 2024, average age 71
CMS counts 203 Medicare patients who saw Dr. Hieger in 2024. The largest group is 65 to 74, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.58, 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. Hieger's median patient age at 66, with 49% women.
Dr. Hieger's Medicare patients by age, 2024
Dr. Hieger's Medicare patients by sex, 2024
- Women10150%
- Men10250%
Chronic conditions among Dr. Hieger's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis52%
- Chronic kidney disease36%
- Ischemic heart disease36%
- Mood disorders35%
- Depression34%
- Anxiety33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hieger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert John Hieger wrote 11,236 Medicare Part D claims in 2024
In 2024, Dr. Hieger wrote 11,236 Medicare Part D claims for 820 patients. 87% of them were for generic drugs. CMS names the drug for 10,424 of them, across 168 drugs with 11 or more claims each, at $828,142 in total drug cost. In 2023, CMS named 8,576 claims across 149 drugs.
Dr. Hieger's Part D claims by kind of drug, 2024
- Generic9,756 claims87%
- Brand-name1,395 claims12%
- Other85 claims1%
Dr. Hieger'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. Hieger's Part D claims, 2024
- Opioids7%778 of 11,236 claims
- Antibiotics1%146 of 11,236 claims
- Antipsychotics, patients 65 and over0%37 of 11,236 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: 8,5762024: 10,42422%
Drugs named by CMS: 168 in 2024, 149 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
Dr. Robert John Hieger offers telehealth to Medicare patients
Dr. Hieger accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hieger as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Skin biopsy: 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. Robert John Hieger received $6,741 in industry payments from 2020 to 2025
CMS Open Payments shows 381 general payments to Dr. Hieger from 39 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $1,942.
General payments to Dr. Hieger by program year, 2020 to 2025
General payments to Dr. Hieger by kind, 2020 to 2025
- Food and beverage$6,736100%
- Education$50%
Companies that paid Dr. Hieger the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert John Hieger graduated from Saint Louis University School of Medicine
Dr. Hieger graduated from Saint Louis University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert John Hieger'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)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. Robert John Hieger
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 John Hieger's NPI number?
Dr. Robert John Hieger's NPI number is 1801328612. It was assigned on March 30, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert John Hieger?
Dr. Robert John Hieger is a family medicine physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Robert John Hieger practice?
Dr. Hieger practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Hieger's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Hieger to 1 hospital, 2 group practices and clinics, 2 home health agencies and 1 medical group.
What is Dr. Robert John Hieger's office phone number?
The practice phone on file for Dr. Hieger is (314) 251-6000.
What is Dr. Robert John Hieger's medical license number?
Dr. Hieger holds Missouri license 2020021407.
Which hospitals is Dr. Robert John Hieger affiliated with?
Dr. Hieger practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Hieger is also affiliated with Mercy Hospital South. Dmand AI links Dr. Hieger to 1 more hospital.
What medical group is Dr. Robert John Hieger part of?
Dr. Hieger is linked to Mercy Clinic East Communities. Dmand AI links Dr. Hieger to 1 more medical group.
Does Dr. Robert John Hieger accept Medicare?
Yes. CMS data shows Dr. Hieger billed Medicare for 512 services in 2024, and Dr. Hieger accepts Medicare assignment.
Does Dr. Robert John Hieger offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hieger as offering telehealth services.
How many Medicare patients does Dr. Robert John Hieger see?
CMS counts 203 Medicare patients who saw Dr. Hieger in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. Robert John Hieger bill to Medicare?
In 2024, Dr. Hieger's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Robert John Hieger go to medical school?
Dr. Hieger graduated from Saint Louis University School of Medicine in 2017.
What drugs does Dr. Robert John Hieger prescribe most?
In 2024 Medicare Part D data, Dr. Hieger's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Levothyroxine Sodium.
Has Dr. Robert John Hieger received payments from drug or device companies?
CMS Open Payments shows $6,741 in general payments to Dr. Hieger from 39 companies from 2020 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Robert John Hieger been practicing?
Dr. Hieger graduated from medical school in 2017, 9 years ago.
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