$7,292 in research paymentsAtypical Hemolytic Uremic SyndromeHemolytic-Uremic SyndromeRavulizumab
Dr. Christopher J. Sperati, MD
NPI1255361028PAC ID5698740231
- Medicare services, 2024
- 1,091
- Medicare patients, 2024
- 345
- Part D claims, 2024
- 651
- Clinical trials
- 3
- MIPS score, 2024
- 83
- Practice address
- 600 N Wolfe St, Baltimore, MD 21287
- Practice phone
- Call (855) 662-3017
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Johns Hopkins Hospital Nelson/Harvey Building
Baltimore, Maryland
Find Dr. Sperati'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. Christopher J. Sperati is a nephrologist in Baltimore, Maryland
Dr. Sperati practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland.
Dr. Sperati's NPI, 1255361028, was assigned on July 4, 2006. Dr. Sperati graduated from Pennsylvania State University College of Medicine in 2000. Dr. Sperati holds Maryland license D61512.
NPI and contact details
- NPI
- 1255361028NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698740231
- NPI enumeration date
- July 4, 2006
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (855) 662-3017
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher J. Sperati practices at Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland
Dr. Sperati's primary practice is Johns Hopkins Hospital Nelson/Harvey Building, at 600 N Wolfe St, Baltimore, MD 21287 in Baltimore City. The practice phone is (855) 662-3017.
- Johns Hopkins Hospital Nelson/Harvey Building600 N Wolfe St, Baltimore, MD 21287 · Baltimore CityPhone(855) 662-3017
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher J. Sperati is affiliated with 5 sites of care and 2 medical groups
Dr. Sperati's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dr. Sperati is also affiliated with The Johns Hopkins Hospital. The medical group on file is Johns Hopkins University. Dmand AI also links Dr. Sperati to 2 more hospitals, 1 dialysis center and 1 medical group, each named with a free account.
Johns Hopkins Hospital Nelson/Harvey BuildingPrimary
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. Christopher J. Sperati's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sperati practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins Hospital Nelson/Harvey Building | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher J. Sperati is one of 279 nephrologists in Maryland
Nephrology is Dr. Sperati's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Sperati is licensed in Maryland.
Specialties and state licenses
- Nephrology, MarylandPrimary
Nephrologists near Dr. Sperati
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. Christopher J. Sperati billed Medicare for 1,091 services in 2024
CMS data shows 1,091 Medicare services from Dr. Sperati across 9 procedure codes in 2024, for 345 Medicare patients. Medicare paid $75,108 for them.
Medicare services, 20241,091
Medicare patients345
Paid by Medicare$75,108
Procedure codes9
Dr. Sperati's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 8372024: 68718%
- Tests and treatments
- 2023: 2772024: 21124%
- Other services
- 2023: 02024: 193
Where Dr. Sperati's Medicare services took place, 2024
- In an office14814%
- In a facility94386%
Dr. Sperati compared with the Maryland median for nephrologists, 2024
- Dr. Sperati
- Maryland median
- Medicare services
- 1,091vs 1,39222% below
- Medicare patients
- 345vs 41717% below
- Part D claims
- 465vs 472Close to median
Medians across 268 nephrologists in Maryland with Dmand AI profiles that report each measure.
Dr. Sperati'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. Christopher J. Sperati treated 345 Medicare patients in 2024, average age 69
CMS counts 345 Medicare patients who saw Dr. Sperati in 2024. The largest group is 65 to 74, with 133 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 30% are also on Medicaid. Their average risk score is 5.20, 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. Sperati's median patient age at 68, with 45% women.
Medicare patients, 2024345
Average age69
Average risk score5.20
Also on Medicaid30%
Dr. Sperati's Medicare patients by age, 2024
Dr. Sperati's Medicare patients by sex, 2024
- Women16748%
- Men17852%
Chronic conditions among Dr. Sperati's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes55%
- Arthritis54%
- Heart failure54%
- Ischemic heart disease52%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sperati's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher J. Sperati wrote 651 Medicare Part D claims in 2024
In 2024, Dr. Sperati wrote 651 Medicare Part D claims for 77 patients. 81% of them were for generic drugs. CMS names the drug for 465 of them, across 19 drugs with 11 or more claims each, at $89,971 in total drug cost. In 2023, CMS named 343 claims across 15 drugs.
Part D claims, 2024651
Drugs named by CMS19
Total drug cost$89,971
Part D patients77
Dr. Sperati's Part D claims by kind of drug, 2024
- Generic530 claims81%
- Brand-name and other121 claims19%
Dr. Sperati'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. Sperati's Part D claims, 2024
- Antibiotics2%12 of 651 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: 3432024: 46536%
Drugs named by CMS: 19 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
Dr. Christopher J. Sperati scored 83 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Sperati for performance year 2024, reported as part of a group. CMS lists Dr. Sperati as offering telehealth.
- Offers telehealth
- Yes
Dr. Sperati's MIPS scores, performance year 2024
- 83of 100Final score
- 73.9of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 70of 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. Christopher J. Sperati has worked on 3 clinical trials
Dmand AI links Dr. Sperati to 3 clinical trials. 1 is still active or recruiting. Conditions studied include Atypical Hemolytic Uremic Syndrome and Hemolytic-Uremic Syndrome. Alexion Pharmaceuticals, Inc. sponsors the most, 3. Open Payments lists research payments to Dr. Sperati that name 3 trials.
Conditions in Dr. Sperati's trials
- Atypical Hemolytic Uremic Syndrome
- Hemolytic-Uremic Syndrome
Investigators on the most trials with Dr. Sperati
- Bradley P. Dixon, MD2 shared trials
- David M. Aboulafia, MD1 shared trial
- Sanjiv Anand, MD, MS1 shared trial
Recent clinical trials with Dr. Sperati
$525 in research paymentsAtypical Hemolytic Uremic SyndromeHemolytic-Uremic SyndromeRavulizumab
$2,747 in research paymentsAtypical Hemolytic Uremic SyndromeHemolytic-Uremic Syndrome
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher J. Sperati received $45,935 in industry payments from 2016 to 2025
CMS Open Payments shows 50 general payments to Dr. Sperati from 8 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 94% of the total. Alexion Pharmaceuticals, Inc. paid the most, $19,600. It also lists 8 research payments totaling $10,564 from 2017 to 2021, naming 3 clinical trials.
General payments to Dr. Sperati by program year, 2016 to 2025
General payments to Dr. Sperati by kind, 2016 to 2025
$45.9Kin total
- Consulting fees$43,19094%
- Travel and lodging$1,5023%
- Food and beverage$7362%
- Honoraria$3001%
- Other$2070%
Companies that paid Dr. Sperati the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher J. Sperati graduated from Pennsylvania State University College of Medicine
Dr. Sperati graduated from Pennsylvania State University College of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher J. Sperati'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Christopher J. Sperati
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. Christopher J. Sperati's NPI number?
Dr. Christopher J. Sperati's NPI number is 1255361028. It was assigned on July 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher J. Sperati?
Dr. Christopher J. Sperati is a nephrologist in Baltimore, Maryland. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Christopher J. Sperati practice?
Dr. Sperati practices at 600 N Wolfe St, Baltimore, MD 21287. Dr. Sperati's primary practice is Johns Hopkins Hospital Nelson/Harvey Building in Baltimore, Maryland. Dmand AI also links Dr. Sperati to 2 hospitals, 1 dialysis center and 1 medical group.
What is Dr. Christopher J. Sperati's office phone number?
The practice phone on file for Dr. Sperati is (855) 662-3017.
What is Dr. Christopher J. Sperati's medical license number?
Dr. Sperati holds Maryland license D61512.
Which hospitals is Dr. Christopher J. Sperati affiliated with?
Dr. Sperati is affiliated with The Johns Hopkins Hospital. Dmand AI links Dr. Sperati to 2 more hospitals.
What medical group is Dr. Christopher J. Sperati part of?
Dr. Sperati is linked to Johns Hopkins University. Dmand AI links Dr. Sperati to 1 more medical group.
Does Dr. Christopher J. Sperati accept Medicare?
Yes. CMS data shows Dr. Sperati billed Medicare for 1,091 services in 2024.
Does Dr. Christopher J. Sperati offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Sperati as offering telehealth services.
What is Dr. Christopher J. Sperati's MIPS score?
Dr. Sperati's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher J. Sperati see?
CMS counts 345 Medicare patients who saw Dr. Sperati in 2024, with an average age of 69.
What services does Dr. Christopher J. Sperati bill to Medicare?
In 2024, Dr. Sperati's most billed Medicare services were hospital inpatient care (99232), medicare service (G2211) and dialysis (90935).
Where did Dr. Christopher J. Sperati go to medical school?
Dr. Sperati graduated from Pennsylvania State University College of Medicine in 2000.
What drugs does Dr. Christopher J. Sperati prescribe most?
In 2024 Medicare Part D data, Dr. Sperati's most prescribed drugs by claims were Amlodipine Besylate, Farxiga and Losartan Potassium.
Has Dr. Christopher J. Sperati received payments from drug or device companies?
CMS Open Payments shows $45,935 in general payments to Dr. Sperati from 8 companies from 2016 to 2025. The largest total came from Alexion Pharmaceuticals, Inc.
How long has Dr. Christopher J. Sperati been practicing?
Dr. Sperati graduated from medical school in 2000, 26 years ago.
Does Dr. Christopher J. Sperati do research?
Dr. Sperati has worked on 3 clinical trials.
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