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Dr. Neil Backer, MD
NPI1962933911PAC ID2769732015
- Medicare services, 2024
- 750
- Medicare patients, 2024
- 257
- Part D claims, 2024
- 555
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 10010 Kennerly Road, Saint Louis, MO 63128
- Practice phone
- Call (314) 525-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Neil Backer is an internist in Saint Louis, Missouri
Dr. Backer practices at Mercy Hospital South in Saint Louis, Missouri, part of Mercy.
Dr. Backer's NPI, 1962933911, was assigned on March 22, 2017. Dr. Backer graduated from Saint Louis University School of Medicine in 2017. Dr. Backer holds Missouri license 2021014489.
NPI and contact details
- NPI
- 1962933911NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769732015
- NPI enumeration date
- March 22, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 525-1000
- 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. Neil Backer practices at Mercy Hospital South in Saint Louis, Missouri
Dr. Backer's primary practice is Mercy Hospital South, at 10010 Kennerly Road, Saint Louis, MO 63128 in St. Louis County. The practice phone is (314) 525-1000.
- Mercy Hospital South10010 Kennerly Road, Saint Louis, MO 63128 · St. Louis CountyPhone(314) 525-1000
Source: Dmand AI Affiliation Data
Dr. Neil Backer is affiliated with 1 site of care and 5 medical groups
Dr. Backer's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Clinic South Hospitalists. Dmand AI also links Dr. Backer to 4 more medical groups, 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. Neil Backer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Backer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital South | Available with a free account |
| +4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Neil Backer is one of 2,114 internists in Missouri
Internal medicine is Dr. Backer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Backer's licenses on file in 2 states: Missouri and Kentucky.
Specialties and state licenses
- Internal medicine, MissouriPrimary
- Hospitalist, Kentucky
Internists near Dr. Backer
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. Neil Backer billed Medicare for 750 services in 2024
CMS data shows 750 Medicare services from Dr. Backer across 6 procedure codes in 2024, for 257 Medicare patients. Medicare paid $55,703 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024750
Medicare patients257
Paid by Medicare$55,703
Procedure codes6
Dr. Backer's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7482024: 750No change
Dr. Backer compared with the Missouri median for internists, 2024
- Dr. Backer
- Missouri median
- Medicare services
- 750vs 53042% above
- Medicare patients
- 257vs 21122% above
- Part D claims
- 237vs 32527% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Backer'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. Backer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Backer and other internists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Neil Backer treated 257 Medicare patients in 2024, average age 76
CMS counts 257 Medicare patients who saw Dr. Backer in 2024. The largest group is 75 to 84, with 87 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.49, 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. Backer's median patient age at 75, with 52% women.
Medicare patients, 2024257
Average age76
Average risk score2.49
Also on Medicaid27%
Dr. Backer's Medicare patients by age, 2024
Dr. Backer's Medicare patients by sex, 2024
- Women14255%
- Men11545%
Chronic conditions among Dr. Backer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis67%
- Ischemic heart disease62%
- Chronic kidney disease60%
- Anxiety58%
- Mood disorders58%
- Heart failure57%
Share of Medicare patients with each condition. A patient can have several.
Dr. Backer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
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. Neil Backer wrote 555 Medicare Part D claims in 2024
In 2024, Dr. Backer wrote 555 Medicare Part D claims for 232 patients. 87% of them were for generic drugs. CMS names the drug for 237 of them, across 13 drugs with 11 or more claims each, at $9,137 in total drug cost. In 2023, CMS named 242 claims across 15 drugs.
Part D claims, 2024555
Drugs named by CMS13
Total drug cost$9,137
Part D patients232
Dr. Backer's Part D claims by kind of drug, 2024
- Generic484 claims87%
- Brand-name and other71 claims13%
Dr. Backer'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. Backer's Part D claims, 2024
- Opioids9%51 of 555 claims
- Antibiotics16%88 of 555 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: 2422024: 2372%
Drugs named by CMS: 13 in 2024, 15 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. Neil Backer takes part in Medicare
Dr. Backer 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. Neil Backer has 1 publication on record
Dmand AI links 1 paper to Dr. Backer in 2019. Dr. Backer's most frequent co-authors are Ahmed Abdel-Latif, MD, Sun Ae Kim, MD and Naoki Misumida, MD.
Papers1
Dr. Backer's most frequent co-authors
Recent publications by Dr. Backer
See who Dr. Backer researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Backer 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. Neil Backer received $48 in industry payments in 2025
CMS Open Payments shows 2 general payments to Dr. Backer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Edwards Lifesciences Corporation paid the most, $27.
Companies that paid Dr. Backer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Neil Backer graduated from Saint Louis University School of Medicine
Dr. Backer graduated from Saint Louis University School of Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Neil Backer'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) |
| 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. Neil Backer
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. Neil Backer's NPI number?
Dr. Neil Backer's NPI number is 1962933911. It was assigned on March 22, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Neil Backer?
Dr. Neil Backer is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Neil Backer practice?
Dr. Backer practices at 10010 Kennerly Road, Saint Louis, MO 63128. Dr. Backer's primary practice is Mercy Hospital South in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Backer to 4 medical groups.
What is Dr. Neil Backer's office phone number?
The practice phone on file for Dr. Backer is (314) 525-1000.
What is Dr. Neil Backer's medical license number?
Dr. Backer holds Missouri license 2021014489, one of the licenses on file in 2 states.
Which states has Dr. Neil Backer been licensed in?
Dmand AI has state licenses on file for Dr. Backer in Missouri and Kentucky.
Which hospitals is Dr. Neil Backer affiliated with?
Dr. Backer practices at Mercy Hospital South in Saint Louis, Missouri.
What medical group is Dr. Neil Backer part of?
Dr. Backer is linked to Mercy Clinic South Hospitalists. Dmand AI links Dr. Backer to 4 more medical groups.
Does Dr. Neil Backer accept Medicare?
Yes. CMS data shows Dr. Backer billed Medicare for 750 services in 2024, and Dr. Backer accepts Medicare assignment.
How many Medicare patients does Dr. Neil Backer see?
CMS counts 257 Medicare patients who saw Dr. Backer in 2024, with an average age of 76.
Show 7 more questionsShow fewer questions
What services does Dr. Neil Backer bill to Medicare?
In 2024, Dr. Backer's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
Where did Dr. Neil Backer go to medical school?
Dr. Backer graduated from Saint Louis University School of Medicine in 2017.
What drugs does Dr. Neil Backer prescribe most?
In 2024 Medicare Part D data, Dr. Backer's most prescribed drugs by claims were Atorvastatin Calcium, Metoprolol Succinate and Cefdinir.
Has Dr. Neil Backer received payments from drug or device companies?
CMS Open Payments shows $48 in general payments to Dr. Backer from 2 companies from 2025 to 2025. The largest total came from Edwards Lifesciences Corporation.
How long has Dr. Neil Backer been practicing?
Dr. Backer graduated from medical school in 2017, 9 years ago.
Does Dr. Neil Backer do research?
Dmand AI links 1 publication to Dr. Backer.
Who does Dr. Neil Backer publish with?
Dr. Backer's most frequent co-authors are Ahmed Abdel-Latif, MD (1 shared paper), Sun Ae Kim, MD (1 shared paper) and Naoki Misumida, MD (1 shared paper).
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