Dr. John Howard Slish, MD
- Medicare services, 2024
- 35
- Medicare patients, 2024
- 36
- Part D claims, 2017
- 13
- Publications
- 9
- Hospital affiliations
- 2
- Practice address
- 2122 Manchester Expressway, Columbus, GA 31995
- Practice phone
- Call (706) 596-4020
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Slish'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. John Howard Slish is an emergency medicine physician in Columbus, Georgia
Dr. Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth.
Dr. Slish's NPI, 1578774402, was assigned on May 24, 2007. Dr. Slish graduated from Ross University School of Medicine in 2004. Dr. Slish holds Florida license ME101690.
- NPI
- 1578774402NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870680705
- NPI enumeration date
- May 24, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (706) 596-4020
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Howard Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia
Dr. Slish's primary practice is St. Francis - Emory Healthcare, at 2122 Manchester Expressway, Columbus, GA 31995 in Muscogee County. The practice phone is (706) 596-4020.
- St. Francis - Emory Healthcare2122 Manchester Expressway, Columbus, GA 31995 · Muscogee CountyPhone(706) 596-4020
Source: Dmand AI Affiliation Data
Dr. John Howard Slish is affiliated with 3 sites of care and 7 medical groups
Dr. Slish's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dr. Slish is also affiliated with UF Health Shands Hospital. The medical group on file is Emergency Group Of Columbus. Dmand AI also links Dr. Slish to 6 more medical groups and 1 group practice or clinic, 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. John Howard Slish's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slish practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St. Francis - Emory Healthcare | Available with a free account |
| +2 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Howard Slish is one of 1,629 emergency medicine physicians in Georgia
Emergency medicine is Dr. Slish's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Slish is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Slish's licenses on file in 6 states: Florida, South Carolina, Alabama, Georgia, Louisiana and North Carolina.
Specialties and state licenses
- Emergency medicine, FloridaPrimary
- South Carolina license
- Alabama license
- Georgia license
- Louisiana license
- North Carolina license
Emergency medicine physicians near Dr. Slish
Counts of emergency 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. John Howard Slish billed Medicare for 35 services in 2024
CMS data shows 35 Medicare services from Dr. Slish across 2 procedure codes in 2024, for 36 Medicare patients. Medicare paid $2,496 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Slish's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 432024: 1858%
- Tests and treatments
- 2023: 02024: 17
Dr. Slish compared with the Georgia median for emergency medicine physicians, 2024
- Dr. Slish
- Georgia median
- Medicare services
- 35vs 29188% below
- Medicare patients
- 36vs 26186% below
- Part D claims
- 13vs 9386% below
Medians across 1,545 emergency medicine physicians in Georgia with Dmand AI profiles that report each measure.
Dr. Slish'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. Slish?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Slish and other emergency medicine physicians in Georgia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Howard Slish treated 36 Medicare patients in 2024, average age 77
CMS counts 36 Medicare patients who saw Dr. Slish in 2024. The largest group is 75 to 84, with 12 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.74, 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. Slish's median patient age at 57, with 57% women.
Dr. Slish's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Slish's Medicare patients by sex, 2024
- Women1747%
- Men1953%
Chronic conditions among Dr. Slish's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Arthritis47%
- Diabetes44%
- Anxiety42%
- Chronic kidney disease42%
- Stroke or TIA42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Slish's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Howard Slish wrote 13 Medicare Part D claims in 2017
In 2017, Dr. Slish wrote 13 Medicare Part D claims. They cover 1 drug, with $91 in total drug cost. In 2016, CMS named 18 claims across 1 drug.
Dr. Slish's most prescribed drugs by claims, 2017
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, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 182017: 1328%
Drugs named by CMS: 1 in 2017, 1 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. John Howard Slish takes part in Medicare
Dr. Slish 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. John Howard Slish has 9 publications on record
Dmand AI links 9 papers to Dr. Slish, published from 2012 to 2020. 2012 was the busiest year, with 2. The most frequent topics are Emergency Medical Services. Dr. Slish has published most often in Case Rep Emerg Med. Dr. Slish's most frequent co-authors are Brandon Russell Allen, MD, Bobby Kapil Desai, MD and Matthew F. Ryan, MD, PhD.
Dr. Slish's papers by year, 2012 to 2020
Topics Dr. Slish writes about most
- Emergency Medical Services
Dr. Slish's most frequent co-authors
- Brandon Russell Allen, MD2 shared papers
- Bobby Kapil Desai, MD2 shared papers
- Matthew F. Ryan, MD, PhD2 shared papers
Recent publications by Dr. Slish
J Forensic Leg Med
Nutr Clin Pract
Clin Toxicol (Phila)
See who Dr. Slish researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Slish works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Howard Slish received $90 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Slish from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $90.
Companies that paid Dr. Slish the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Howard Slish graduated from Ross University School of Medicine
Dr. Slish graduated from Ross University School of Medicine in 2004.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. John Howard Slish accepts plans from 4 insurance carriers
Dr. Slish is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- CMS Medicare
- Elevance
- GA State Medicaid
Plan types Dr. Slish accepts, by number of carriers
- HMO2
- Medicare2
- EPO1
- Medicaid1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John Howard Slish'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) |
| 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. John Howard Slish
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. John Howard Slish's NPI number?
Dr. John Howard Slish's NPI number is 1578774402. It was assigned on May 24, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Howard Slish?
Dr. John Howard Slish is an emergency medicine physician in Columbus, Georgia. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. John Howard Slish practice?
Dr. Slish practices at 2122 Manchester Expressway, Columbus, GA 31995. Dr. Slish's primary practice is St. Francis - Emory Healthcare in Columbus, Georgia, part of ScionHealth. Dmand AI also links Dr. Slish to 6 medical groups and 1 group practice or clinic.
What is Dr. John Howard Slish's office phone number?
The practice phone on file for Dr. Slish is (706) 596-4020.
What is Dr. John Howard Slish's medical license number?
Dr. Slish holds Florida license ME101690, one of the licenses on file in 6 states.
Which states has Dr. John Howard Slish been licensed in?
Dmand AI has state licenses on file for Dr. Slish in Florida (2008 to 2026), South Carolina (2023 to 2027), Alabama (2024 to 2025), Georgia (2023 to 2025), Louisiana (2007 to 2025) and North Carolina (2022 to 2025).
Which hospitals is Dr. John Howard Slish affiliated with?
Dr. Slish practices at St. Francis - Emory Healthcare in Columbus, Georgia. Dr. Slish is also affiliated with UF Health Shands Hospital.
What medical group is Dr. John Howard Slish part of?
Dr. Slish is linked to Emergency Group Of Columbus. Dmand AI links Dr. Slish to 6 more medical groups.
Does Dr. John Howard Slish accept Medicare?
Yes. CMS data shows Dr. Slish billed Medicare for 35 services in 2024, and Dr. Slish accepts Medicare assignment.
How many Medicare patients does Dr. John Howard Slish see?
CMS counts 36 Medicare patients who saw Dr. Slish in 2024, with an average age of 77.
Show 9 more questionsShow fewer questions
Is Dr. John Howard Slish board certified?
Yes. Dr. Slish is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. John Howard Slish bill to Medicare?
In 2024, Dr. Slish's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. John Howard Slish go to medical school?
Dr. Slish graduated from Ross University School of Medicine in 2004.
What drugs does Dr. John Howard Slish prescribe most?
In 2017 Medicare Part D data, Dr. Slish's most prescribed drugs by claims were Oxycodone-Acetaminophen.
Has Dr. John Howard Slish received payments from drug or device companies?
CMS Open Payments shows $90 in general payments to Dr. Slish from 1 company from 2020 to 2020. The largest total came from Bristol-Myers Squibb Company.
How long has Dr. John Howard Slish been practicing?
Dr. Slish graduated from medical school in 2004, 22 years ago.
Does Dr. John Howard Slish do research?
Dmand AI links 9 publications to Dr. Slish, published from 2012 to 2020.
Who does Dr. John Howard Slish publish with?
Dr. Slish's most frequent co-authors are Brandon Russell Allen, MD (2 shared papers), Bobby Kapil Desai, MD (2 shared papers) and Matthew F. Ryan, MD, PhD (2 shared papers).
What insurance does Dr. John Howard Slish accept?
Dr. Slish is in network with 4 carriers, including Excellus BlueCross BlueShield, CMS Medicare and Elevance. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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