Dr. Ralph Gerard Dacey Jr., MD

  • Saint Louis, MO
  • Neurosurgeon
NPI1003833567
Medicare services, 2024
17
Medicare patients, 2024
19
Part D claims, 2022
12
Publications
217
Clinical trials
7
Practice address
3015 N Ballas Rd, Saint Louis, MO 63131
Practice phone
Call (314) 996-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Missouri Baptist Medical Center

Hospital · Saint Louis, Missouri

See all 4 affiliations

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Dr. Ralph Gerard Dacey Jr. is a neurosurgeon in Saint Louis, Missouri

Dr. Dacey practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.

Dr. Dacey's NPI, 1003833567, was assigned on July 17, 2006. Dr. Dacey graduated from UVA School of Medicine in 1974. Dr. Dacey holds Missouri license R2K53.

NPI and contact details
NPI enumeration date
July 17, 2006
NPI status
Active
Practice phone
(314) 996-5000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
78
Medical school graduation
1974

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data

Dr. Ralph Gerard Dacey Jr. practices at Missouri Baptist Medical Center in Saint Louis, Missouri

Dr. Dacey's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.

Source: Dmand AI Affiliation Data

Dr. Ralph Gerard Dacey Jr. is affiliated with 3 sites of care and 1 medical group

Dr. Dacey's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Dacey to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Dacey

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ralph Gerard Dacey Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dacey practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Missouri Baptist Medical CenterAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ralph Gerard Dacey Jr. is one of 173 neurosurgeons in Missouri

Neurological surgery is Dr. Dacey's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Dacey is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Dacey's licenses on file in 4 states: Missouri, Illinois, Virginia and North Carolina.

Specialties and state licenses

  • Neurological surgery, MissouriPrimaryLicense R2K53 · 1989 to 2026 · taxonomy 207T00000X
  • Illinois license2021 to 2026
  • Virginia license1979 to 2010
  • North Carolina license1987 to 1998

Neurosurgeons near Dr. Dacey

Counts of neurosurgeons 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. Ralph Gerard Dacey Jr. billed Medicare for 17 services in 2024

CMS data shows 17 Medicare services from Dr. Dacey across 1 procedure code in 2024, for 19 Medicare patients. Medicare paid $1,117 for them. Every service was in an office.

Medicare services, 202417
Medicare patients19
Paid by Medicare$1,117
Procedure codes1

Dr. Dacey's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 172024: 17No change

Dr. Dacey compared with the Missouri median for neurosurgeons, 2024

  • Dr. Dacey
  • Missouri median
Medicare services
17vs 21392% below
Medicare patients
19vs 16288% below
Part D claims
12vs 9287% below

Medians across 162 neurosurgeons in Missouri with Dmand AI profiles that report each measure.

Dr. Dacey'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.

See all procedures by Dr. Dacey

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Dacey and other neurosurgeons in Missouri.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ralph Gerard Dacey Jr. treated 19 Medicare patients in 2024, average age 71

CMS counts 19 Medicare patients who saw Dr. Dacey in 2024. 74% of them have high blood pressure, and 74% have high cholesterol. Their average risk score is 1.24, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Dacey's median patient age at 61, with 81% women.

Medicare patients, 202419
Average age71
Average risk score1.24

Chronic conditions among Dr. Dacey's Medicare patients, 2024

  1. High blood pressure74%
  2. High cholesterol74%

Share of Medicare patients with each condition. A patient can have several.

Dr. Dacey's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 61

Patient panel by sex, all payers

  • Women81%
  • Men19%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ralph Gerard Dacey Jr. wrote 12 Medicare Part D claims in 2022

In 2022, Dr. Dacey wrote 12 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $1,008 in total drug cost. In 2021, CMS named 23 claims across 1 drug.

Part D claims, 202212
Drugs named by CMS1
Total drug cost$1,008

Dr. Dacey's most prescribed drugs by claims, 2022

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, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 232022: 1248%

Drugs named by CMS: 1 in 2022, 1 in 2021.

See all prescribing by Dr. Dacey

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Ralph Gerard Dacey Jr. 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. Dacey for performance year 2024, reported as part of a group.

Dr. Dacey'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.

Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Ralph Gerard Dacey Jr. has 217 publications on record

Dmand AI links 217 papers to Dr. Dacey, published from 2001 to 2025. 2018 was the busiest year, with 7. The most frequent topics are Intracranial Aneurysm, Arterioles and Subarachnoid Hemorrhage. Dr. Dacey has published most often in J Neurosurg. Dr. Dacey's most frequent co-authors are Michael R. Chicoine, MD, Gregory J. Zipfel, MD and Keith M. Rich, MD.

Papers217
Years published2001 to 2025

Dr. Dacey's papers by year, 2016 to 2025

Topics Dr. Dacey writes about most

  • Intracranial Aneurysm
  • Arterioles
  • Subarachnoid Hemorrhage
  • Cerebral Angiography
  • Cerebrovascular Circulation
  • Brain
  • Brain Neoplasms
  • In Vitro Techniques

Dr. Dacey's most frequent co-authors

Recent publications by Dr. Dacey

See all 217 publications and co-authors

See who Dr. Dacey researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Dacey works with, so you can find a warm path to the right neurosurgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ralph Gerard Dacey Jr. has worked on 7 clinical trials

Dmand AI links Dr. Dacey to 7 clinical trials, 4 of them phase 1 studies. 1 is still active or recruiting. Conditions studied include Glioblastoma, Astrocytoma and Cerebral Hemorrhage. Washington University School of Medicine sponsors the most, 5. Open Payments lists research payments to Dr. Dacey that name 1 trial.

Clinical trials with Dr. Dacey by phase

  1. 4Phase 1: 4 trials
  2. 1Phase 2: 1 trial
  3. NonePhase 3: no trials
  4. NonePhase 4: no trials

Conditions in Dr. Dacey's trials

  • Glioblastoma
  • Astrocytoma
  • Cerebral Hemorrhage
  • Kidney Neoplasms
  • Intracranial Hemorrhages

Investigators on the most trials with Dr. Dacey

Recent clinical trials with Dr. Dacey

See all 7 clinical trials and co-investigators

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ralph Gerard Dacey Jr. received $55,142 in industry payments from 2016 to 2018

CMS Open Payments shows 2 general payments to Dr. Dacey from 2 drug and device companies from 2016 to 2018. Ownership or investment make up the largest share, 100% of the total. Acera Surgical, Inc. paid the most, $55,125. It also lists 2 research payments totaling $446 from 2017 to 2018, naming 1 clinical trial.

General payments to Dr. Dacey by program year, 2016 to 2018

General payments to Dr. Dacey by kind, 2016 to 2018

$55.1Kin total
  • Ownership or investment$55,125100%
  • Education$170%

Companies that paid Dr. Dacey the most, 2016 to 2018

Share is of all general payments to this clinician.

See all payments to Dr. Dacey

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ralph Gerard Dacey Jr. has 6 awards and honors on record

Dmand AI lists 6 awards for Dr. Dacey, most recently Checkbook Top Doc in 2012.

Awards and honors for Dr. Dacey

  1. 2012
    • Checkbook Top Doc
  2. 2010
    • IOM Elected Member
  3. Undated
    • AANS Fellow
    • ACS Fellow
    • CMS Stage 1 EHR
    • Whos Who

Source: Dmand AI Professional Profile Data

Dr. Ralph Gerard Dacey Jr. graduated from UVA School of Medicine

Dr. Dacey graduated from UVA School of Medicine in 1974. Dr. Dacey is a member of AANS, ACS and CNS.

  1. Medical schoolUVA School of Medicine
  2. Board certified in internal medicineAmerican Board of Internal Medicine
  3. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. Ralph Gerard Dacey Jr. accepts plans from 16 insurance carriers

Dr. Dacey is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Dacey accepts, by number of carriers

  1. PPO12
  2. Medicare10
  3. HMO6
  4. EPO4
  5. POS3

Source: Dmand AI Insurance Network Data

Sources for Dr. Ralph Gerard Dacey Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesClinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ralph Gerard Dacey Jr.

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. Ralph Gerard Dacey Jr.'s NPI number?

Dr. Ralph Gerard Dacey Jr.'s NPI number is 1003833567. It was assigned on July 17, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ralph Gerard Dacey Jr.?

Dr. Ralph Gerard Dacey Jr. is a neurosurgeon in Saint Louis, Missouri. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Ralph Gerard Dacey Jr. practice?

Dr. Dacey practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Dacey's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Dacey to 1 hospital and 1 group practice or clinic.

What is Dr. Ralph Gerard Dacey Jr.'s office phone number?

The practice phone on file for Dr. Dacey is (314) 996-5000.

What is Dr. Ralph Gerard Dacey Jr.'s medical license number?

Dr. Dacey holds Missouri license R2K53, one of the licenses on file in 4 states.

Which states has Dr. Ralph Gerard Dacey Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Dacey in Missouri (1989 to 2026), Illinois (2021 to 2026), Virginia (1979 to 2010) and North Carolina (1987 to 1998).

Which hospitals is Dr. Ralph Gerard Dacey Jr. affiliated with?

Dr. Dacey practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dmand AI links Dr. Dacey to 1 more hospital.

What medical group is Dr. Ralph Gerard Dacey Jr. part of?

Dr. Dacey is linked to WashU Medicine Psychiatry.

Does Dr. Ralph Gerard Dacey Jr. accept Medicare?

Yes. CMS data shows Dr. Dacey billed Medicare for 17 services in 2024.

What is Dr. Ralph Gerard Dacey Jr.'s MIPS score?

Dr. Dacey's MIPS final score for performance year 2024 is 84 out of 100, reported as part of a group.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Ralph Gerard Dacey Jr. see?

CMS counts 19 Medicare patients who saw Dr. Dacey in 2024, with an average age of 71.

Is Dr. Ralph Gerard Dacey Jr. board certified?

Yes. Dr. Dacey is board certified in internal medicine by the American Board of Internal Medicine.

What services does Dr. Ralph Gerard Dacey Jr. bill to Medicare?

In 2024, Dr. Dacey's most billed Medicare services were care management and other visits (99443).

Where did Dr. Ralph Gerard Dacey Jr. go to medical school?

Dr. Dacey graduated from UVA School of Medicine in 1974.

What drugs does Dr. Ralph Gerard Dacey Jr. prescribe most?

In 2022 Medicare Part D data, Dr. Dacey's most prescribed drugs by claims were Levetiracetam.

Has Dr. Ralph Gerard Dacey Jr. received payments from drug or device companies?

CMS Open Payments shows $55,142 in general payments to Dr. Dacey from 2 companies from 2016 to 2018. The largest total came from Acera Surgical, Inc.

How long has Dr. Ralph Gerard Dacey Jr. been practicing?

Dr. Dacey graduated from medical school in 1974, 52 years ago.

Does Dr. Ralph Gerard Dacey Jr. do research?

Dmand AI links 217 publications to Dr. Dacey, published from 2001 to 2025. Dr. Dacey has worked on 7 clinical trials.

Who does Dr. Ralph Gerard Dacey Jr. publish with?

Dr. Dacey's most frequent co-authors are Michael R. Chicoine, MD (63 shared papers), Gregory J. Zipfel, MD (38 shared papers) and Keith M. Rich, MD (37 shared papers).

What insurance does Dr. Ralph Gerard Dacey Jr. accept?

Dr. Dacey is in network with 16 carriers, including Aetna, Elevance and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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