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Dr. Jennifer G. Hammond, MD
NPI1457502031PAC ID5395915995
- Medicare services, 2024
- 125
- Medicare patients, 2024
- 52
- Part D claims, 2024
- 217
- Publications
- 1
- MIPS score, 2024
- 84
- Practice address
- 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
- Practice phone
- Call (314) 747-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Barnes-Jewish Hospital
Saint Louis, Missouri
Find Dr. Hammond's professional email, personal email and mobile number
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Dr. Jennifer G. Hammond is a cardiologist in Saint Louis, Missouri
Dr. Hammond practices at Barnes-Jewish Hospital in Saint Louis, Missouri.
Dr. Hammond's NPI, 1457502031, was assigned on October 1, 2008. Dr. Hammond graduated from University of Chicago, Pritzker School of Medicine in 2008. Dr. Hammond holds Missouri license 2021045612.
NPI and contact details
- NPI
- 1457502031NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395915995
- NPI enumeration date
- October 1, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 747-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jennifer G. Hammond practices at Barnes-Jewish Hospital in Saint Louis, Missouri
Dr. Hammond's primary practice is Barnes-Jewish Hospital, at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 in Saint Louis City. The practice phone is (314) 747-3000.
- Barnes-Jewish Hospital1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110 · Saint Louis CityPhone(314) 747-3000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jennifer G. Hammond is affiliated with 4 sites of care and 2 medical groups
Dr. Hammond's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri. Dr. Hammond is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Hammond to 2 more group practices and clinics and 1 medical group, each named with a free account.
Barnes-Jewish HospitalPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jennifer G. Hammond's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hammond practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jennifer G. Hammond is one of 383 cardiologists in Missouri
Cardiovascular disease is Dr. Hammond's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Hammond is licensed in Missouri.
Specialties and state licenses
- Cardiovascular disease, MissouriPrimary
Cardiologists near Dr. Hammond
Counts of cardiologists 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. Jennifer G. Hammond billed Medicare for 125 services in 2024
CMS data shows 125 Medicare services from Dr. Hammond across 3 procedure codes in 2024, for 52 Medicare patients. Medicare paid $9,346 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024125
Medicare patients52
Paid by Medicare$9,346
Procedure codes3
Dr. Hammond's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 692024: 12581%
Dr. Hammond compared with the Missouri median for cardiologists, 2024
- Dr. Hammond
- Missouri median
- Medicare services
- 125vs 1,79793% below
- Medicare patients
- 52vs 92594% below
- Part D claims
- 140vs 2,12893% below
Medians across 391 cardiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Hammond'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jennifer G. Hammond treated 52 Medicare patients in 2024, average age 72
CMS counts 52 Medicare patients who saw Dr. Hammond in 2024. The largest group is 75 to 84, with 20 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.38, 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. Hammond's median patient age at 72, with 40% women.
Medicare patients, 202452
Average age72
Average risk score2.38
Dr. Hammond's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hammond's Medicare patients by sex, 2024
- Women2548%
- Men2752%
Chronic conditions among Dr. Hammond's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease73%
- Heart failure71%
- Arthritis62%
- Chronic kidney disease58%
- Atrial fibrillation52%
- Diabetes44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hammond's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jennifer G. Hammond wrote 217 Medicare Part D claims in 2024
In 2024, Dr. Hammond wrote 217 Medicare Part D claims for 34 patients. 87% of them were for generic drugs. CMS names the drug for 140 of them, across 8 drugs with 11 or more claims each, at $7,268 in total drug cost. In 2023, CMS named 162 claims across 9 drugs.
Part D claims, 2024217
Drugs named by CMS8
Total drug cost$7,268
Part D patients34
Dr. Hammond's Part D claims by kind of drug, 2024
- Generic189 claims87%
- Brand-name28 claims13%
Dr. Hammond'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1622024: 14014%
Drugs named by CMS: 8 in 2024, 9 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. Jennifer G. Hammond scored 84 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 84 out of 100 for Dr. Hammond for performance year 2024, reported as part of a group. Dr. Hammond accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hammond's MIPS scores, performance year 2024
- 84of 100Final score
- 71.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Jennifer G. Hammond has 1 publication on record
Dmand AI links 1 paper to Dr. Hammond in 2022.
Papers1
Recent publications by Dr. Hammond
See who Dr. Hammond researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hammond works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jennifer G. Hammond received $30,740 in industry payments from 2021 to 2025
CMS Open Payments shows 5 general payments to Dr. Hammond from 2 drug and device companies from 2021 to 2025. Grants make up the largest share, 81% of the total. Merck Sharp & Dohme Corporation paid the most, $25,000.
General payments to Dr. Hammond by program year, 2021 to 2025
General payments to Dr. Hammond by kind, 2021 to 2025
$30.7Kin total
- Grants$25,00081%
- Consulting fees$5,74019%
Companies that paid Dr. Hammond the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jennifer G. Hammond graduated from University of Chicago, Pritzker School of Medicine
Dr. Hammond graduated from University of Chicago, Pritzker School of Medicine in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jennifer G. Hammond'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (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. Jennifer G. Hammond
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. Jennifer G. Hammond's NPI number?
Dr. Jennifer G. Hammond's NPI number is 1457502031. It was assigned on October 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Jennifer G. Hammond?
Dr. Jennifer G. Hammond is a cardiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Jennifer G. Hammond practice?
Dr. Hammond practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110. Dr. Hammond's primary practice is Barnes-Jewish Hospital in Saint Louis, Missouri. Dmand AI also links Dr. Hammond to 2 group practices and clinics and 1 medical group.
What is Dr. Jennifer G. Hammond's office phone number?
The practice phone on file for Dr. Hammond is (314) 747-3000.
What is Dr. Jennifer G. Hammond's medical license number?
Dr. Hammond holds Missouri license 2021045612.
Which hospitals is Dr. Jennifer G. Hammond affiliated with?
Dr. Hammond is affiliated with Barnes-Jewish Hospital.
What medical group is Dr. Jennifer G. Hammond part of?
Dr. Hammond is linked to WashU Medicine Psychiatry. Dmand AI links Dr. Hammond to 1 more medical group.
Does Dr. Jennifer G. Hammond accept Medicare?
Yes. CMS data shows Dr. Hammond billed Medicare for 125 services in 2024, and Dr. Hammond accepts Medicare assignment.
What is Dr. Jennifer G. Hammond's MIPS score?
Dr. Hammond's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jennifer G. Hammond see?
CMS counts 52 Medicare patients who saw Dr. Hammond in 2024, with an average age of 72.
Show 6 more questionsShow fewer questions
What services does Dr. Jennifer G. Hammond bill to Medicare?
In 2024, Dr. Hammond's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99222).
Where did Dr. Jennifer G. Hammond go to medical school?
Dr. Hammond graduated from University of Chicago, Pritzker School of Medicine in 2008.
What drugs does Dr. Jennifer G. Hammond prescribe most?
In 2024 Medicare Part D data, Dr. Hammond's most prescribed drugs by claims were Carvedilol, Atorvastatin Calcium and Clopidogrel.
Has Dr. Jennifer G. Hammond received payments from drug or device companies?
CMS Open Payments shows $30,740 in general payments to Dr. Hammond from 2 companies from 2021 to 2025. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Jennifer G. Hammond been practicing?
Dr. Hammond graduated from medical school in 2008, 18 years ago.
Does Dr. Jennifer G. Hammond do research?
Dmand AI links 1 publication to Dr. Hammond.
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