Dr. Jonathan Slater, MD
- Medicare services, 2024
- 4,522
- Medicare patients, 2024
- 1,031
- Part D claims, 2024
- 3,891
- Hospital affiliations
- 5
- Industry payments
- $17,244
- Practice address
- 759 Chestnut Street, Springfield, MA 01199
- Practice phone
- Call (413) 794-0000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Slater's professional email, personal email and mobile number
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Dr. Jonathan Slater is a nephrologist in Springfield, Massachusetts
Dr. Slater practices at Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health.
Dr. Slater's NPI, 1992788160, was assigned on November 22, 2005. Dr. Slater graduated from University of Connecticut School of Medicine in 1989. Dr. Slater holds Massachusetts license 81014.
- NPI
- 1992788160NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315855079
- NPI enumeration date
- November 22, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (413) 794-0000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jonathan Slater practices at Baystate Medical Center in Springfield, Massachusetts
Dr. Slater's primary practice is Baystate Medical Center, at 759 Chestnut Street, Springfield, MA 01199 in Hampden County. The practice phone is (413) 794-0000.
- Baystate Medical Center759 Chestnut Street, Springfield, MA 01199 · Hampden CountyPhone(413) 794-0000
Source: Dmand AI Affiliation Data
Dr. Jonathan Slater is affiliated with 12 sites of care and 3 medical groups
Dr. Slater's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dr. Slater is also affiliated with Mercy Medical Center. The medical group on file is Kidney Care and Transplant Services of New England. Dmand AI also links Dr. Slater to 3 more hospitals, 4 dialysis centers, 3 group practices and clinics and 2 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. Jonathan Slater's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slater practices, 12 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baystate Medical Center | Available with a free account |
| +11 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Baystate Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jonathan Slater is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Slater's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dmand AI has Dr. Slater's licenses on file in 2 states: Massachusetts and Connecticut.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
- Connecticut license
Nephrologists near Dr. Slater
Counts of nephrologists 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. Jonathan Slater billed Medicare for 4,522 services in 2024
CMS data shows 4,522 Medicare services from Dr. Slater across 16 procedure codes in 2024, for 1,031 Medicare patients. Medicare paid $328,176 for them.
Dr. Slater's Medicare services by type, 2024
- Office and hospital visits2,289
- Other services1,647
- Tests and treatments524
- Lab and pathology62
Where Dr. Slater's Medicare services took place, 2024
- In an office3,02667%
- In a facility1,49633%
Dr. Slater compared with the Massachusetts median for nephrologists, 2024
- Dr. Slater
- Massachusetts median
- Medicare services
- 4,522vs 7016.5 times
- Medicare patients
- 1,031vs 2823.7 times
- Part D claims
- 3,506vs 4717.4 times
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Slater'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. Slater?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Slater and other nephrologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jonathan Slater treated 1,031 Medicare patients in 2024, average age 74
CMS counts 1,031 Medicare patients who saw Dr. Slater in 2024. The largest group is 75 to 84, with 380 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 37% are also on Medicaid. Their average risk score is 2.85, 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. Slater's median patient age at 71, with 49% women.
Dr. Slater's Medicare patients by age, 2024
Dr. Slater's Medicare patients by sex, 2024
- Women47346%
- Men55854%
Chronic conditions among Dr. Slater's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes54%
- Arthritis45%
- Heart failure43%
- Ischemic heart disease42%
- Atrial fibrillation33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Slater's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women49%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jonathan Slater wrote 3,891 Medicare Part D claims in 2024
In 2024, Dr. Slater wrote 3,891 Medicare Part D claims for 698 patients. 81% of them were for generic drugs. CMS names the drug for 3,506 of them, across 64 drugs with 11 or more claims each, at $742,177 in total drug cost.
Dr. Slater's Part D claims by kind of drug, 2024
- Generic3,162 claims81%
- Brand-name729 claims19%
Dr. Slater'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. Slater's Part D claims, 2024
- Opioids0%11 of 3,891 claims
- Antibiotics1%53 of 3,891 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Jonathan Slater offers telehealth to Medicare patients
Dr. Slater accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Slater as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jonathan Slater received $17,244 in industry payments from 2024 to 2025
CMS Open Payments shows 51 general payments to Dr. Slater from 17 drug and device companies from 2024 to 2025. Speaker and faculty fees make up the largest share, 79% of the total. AstraZeneca Pharmaceuticals LP paid the most, $16,382.
General payments to Dr. Slater by program year, 2024 to 2025
General payments to Dr. Slater by kind, 2024 to 2025
- Speaker and faculty fees$13,60079%
- Travel and lodging$2,12912%
- Food and beverage$1,4899%
- Education$260%
Companies that paid Dr. Slater the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jonathan Slater graduated from University of Connecticut School of Medicine
Dr. Slater graduated from University of Connecticut School of Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jonathan Slater'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) |
| 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. Jonathan Slater
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. Jonathan Slater's NPI number?
Dr. Jonathan Slater's NPI number is 1992788160. It was assigned on November 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jonathan Slater?
Dr. Jonathan Slater is a nephrologist in Springfield, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Jonathan Slater practice?
Dr. Slater practices at 759 Chestnut Street, Springfield, MA 01199. Dr. Slater's primary practice is Baystate Medical Center in Springfield, Massachusetts, part of Baystate Health. Dmand AI also links Dr. Slater to 3 hospitals, 4 dialysis centers, 3 group practices and clinics and 2 medical groups.
What is Dr. Jonathan Slater's office phone number?
The practice phone on file for Dr. Slater is (413) 794-0000.
What is Dr. Jonathan Slater's medical license number?
Dr. Slater holds Massachusetts license 81014, one of the licenses on file in 2 states.
Which states has Dr. Jonathan Slater been licensed in?
Dmand AI has state licenses on file for Dr. Slater in Massachusetts and Connecticut.
Which hospitals is Dr. Jonathan Slater affiliated with?
Dr. Slater practices at Baystate Medical Center in Springfield, Massachusetts. Dr. Slater is also affiliated with Mercy Medical Center. Dmand AI links Dr. Slater to 3 more hospitals.
What medical group is Dr. Jonathan Slater part of?
Dr. Slater is linked to Kidney Care and Transplant Services of New England. Dmand AI links Dr. Slater to 2 more medical groups.
Does Dr. Jonathan Slater accept Medicare?
Yes. CMS data shows Dr. Slater billed Medicare for 4,522 services in 2024, and Dr. Slater accepts Medicare assignment.
Does Dr. Jonathan Slater offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Slater as offering telehealth services.
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Jonathan Slater see?
CMS counts 1,031 Medicare patients who saw Dr. Slater in 2024, with an average age of 74.
What services does Dr. Jonathan Slater bill to Medicare?
In 2024, Dr. Slater's most billed Medicare services were medicare temporary code (Q5106), hospital inpatient care (99232) and office visit, established patient (99215).
Where did Dr. Jonathan Slater go to medical school?
Dr. Slater graduated from University of Connecticut School of Medicine in 1989.
What drugs does Dr. Jonathan Slater prescribe most?
In 2024 Medicare Part D data, Dr. Slater's most prescribed drugs by claims were Farxiga, Furosemide and Amlodipine Besylate.
Has Dr. Jonathan Slater received payments from drug or device companies?
CMS Open Payments shows $17,244 in general payments to Dr. Slater from 17 companies from 2024 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Jonathan Slater been practicing?
Dr. Slater graduated from medical school in 1989, 37 years ago.
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