Am J Kidney Dis
Ambulatory Care FacilitiesErgonomicsInfection Control
Dr. Alan S. Kliger, MD
NPI1619963923
- Medicare services, 2023
- 60
- Part D claims, 2024
- 85
- Publications
- 154
- Clinical trials
- 2
- MIPS score, 2024
- 100
- Practice address
- 136 Sherman Ave, New Haven, CT 06511
- Practice phone
- Call (203) 787-0117
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Health Center - Primary Care - New Haven (Sherman Ave)
Multi-specialty group site · New Haven, Connecticut
Find Dr. Kliger'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. Alan S. Kliger is a nephrologist in New Haven, Connecticut
Dr. Kliger practices at Yale Health Center - Primary Care - New Haven (Sherman Ave) in New Haven, Connecticut.
Dr. Kliger's NPI, 1619963923, was assigned on September 22, 2005. Dr. Kliger graduated from SUNY Upstate Medical University in 1970. Dr. Kliger holds Connecticut license 17230.
NPI and contact details
- NPI
- 1619963923NPI Registry (opens in a new tab)
- NPI enumeration date
- September 22, 2005
- NPI status
- Active
- Practice phone
- (203) 787-0117
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alan S. Kliger practices at 2 locations in New Haven, Connecticut
Dr. Kliger's primary practice is Yale Health Center - Primary Care - New Haven (Sherman Ave), at 136 Sherman Ave, New Haven, CT 06511. The practice phone is (203) 787-0117. The NPI Registry lists Dr. Kliger's practice address as 20 York St, New Haven, CT 06510.
- Yale Health Center - Primary Care - New Haven (Sherman Ave)Primary136 Sherman Ave, New Haven, CT 06511Phone(203) 787-0117
- NPI Registry address20 York St, New Haven, CT 06510 · South Central Ct CountyPhone(203) 787-0117
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Alan S. Kliger is affiliated with 2 sites of care and 2 medical groups
Dr. Kliger's primary practice is Yale Health Center - Primary Care - New Haven (Sherman Ave) in New Haven, Connecticut. The medical group on file is Metabolism Associates. Dmand AI also links Dr. Kliger to 1 more group practice or clinic and 1 medical group, each named with a free account.
Yale Health Center - Primary Care - New Haven (Sherman Ave)Primary
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Alan S. Kliger's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kliger practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Health Center - Primary Care - New Haven (Sherman Ave) | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Kliger practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alan S. Kliger is one of 141 nephrologists in Connecticut
Nephrology is Dr. Kliger's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Kliger is board certified in internal medicine by the American Board of Internal Medicine. Dr. Kliger is licensed in Connecticut.
Specialties and state licenses
- Nephrology, ConnecticutPrimary
Clinical focus
Dmand AI lists chronic diabetes, chronic kidney disease, diabetic emergency and fluid and electrolyte imbalances among the conditions Dr. Kliger treats.
Nephrologists near Dr. Kliger
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. Alan S. Kliger billed Medicare for 60 services in 2023
CMS data shows 60 Medicare services from Dr. Kliger across 1 procedure code in 2023, all of them office visits. Medicare paid $4,147 for them. Every service was in an office.
Medicare services, 202360
Paid by Medicare$4,147
Procedure codes1
Dr. Kliger's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 612023: 602%
Dr. Kliger compared with the Connecticut median for nephrologists, 2023
- Dr. Kliger
- Connecticut median
- Medicare services
- 60vs 73292% below
- Part D claims
- 33vs 60095% below
Medians across 137 nephrologists in Connecticut with Dmand AI profiles that report each measure.
Dr. Kliger's most billed Medicare procedure codes, 2023
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. Kliger?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kliger and other nephrologists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan S. Kliger's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Kliger's median patient age at 54, with 13% women.
Dr. Kliger's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women13%
- Men88%
Source: Dmand AI Patient Panel Data
Dr. Alan S. Kliger wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Kliger wrote 85 Medicare Part D claims for 30 patients. 68% of them were for generic drugs. CMS names the drug for 33 of them, across 2 drugs with 11 or more claims each, at $28,810 in total drug cost. In 2023, CMS named 177 claims across 6 drugs.
Part D claims, 202485
Drugs named by CMS2
Total drug cost$28,810
Part D patients30
Dr. Kliger's Part D claims by kind of drug, 2024
- Generic58 claims68%
- Brand-name27 claims32%
Dr. Kliger'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: 1772024: 3381%
Drugs named by CMS: 2 in 2024, 6 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. Alan S. Kliger scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Kliger for performance year 2024, reported as part of a group.
Dr. Kliger's MIPS scores, performance year 2024
- 100of 100Final score
- 100of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 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
For MedTech and pharma teams
Find nephrologists like Dr. Kliger by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alan S. Kliger has 154 publications on record
Dmand AI links 154 papers to Dr. Kliger, published from 2004 to 2024. 2020 was the busiest year, with 8. The most frequent topics are Renal Dialysis, Kidney Failure, Chronic and Peritoneal Dialysis. Dr. Kliger has published most often in Am J Kidney Dis. Dr. Kliger's most frequent co-authors are Glenn Matthew Chertow, MD, Fredric O. Finkelstein, MD and Talat A. Ikizler, MD.
Papers154
Years published2004 to 2024
Dr. Kliger's papers by year, 2015 to 2024
Topics Dr. Kliger writes about most
- Renal Dialysis
- Kidney Failure, Chronic
- Peritoneal Dialysis
- Kidney Transplantation
- Peritonitis
- Peritoneal Dialysis, Continuous Ambulatory
- COVID-19
- SARS-CoV-2
Dr. Kliger's most frequent co-authors
- Glenn Matthew Chertow, MD26 shared papers
- Fredric O. Finkelstein, MD6 shared papers
- Talat A. Ikizler, MD6 shared papers
Recent publications by Dr. Kliger
Clin J Am Soc Nephrol
COVID-19Kidney DiseasesPatient Safety
Arrhythmias, CardiacMineralocorticoid Receptor AntagonistsRenal Dialysis
Clin J Am Soc Nephrol
COVID-19PandemicsRenal Dialysis
Clin J Am Soc Nephrol
COVID-19Kidney TransplantationPandemics
See who Dr. Kliger researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kliger works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Alan S. Kliger has worked on 2 clinical trials
Dmand AI links Dr. Kliger to 2 clinical trials, 2 of them phase 2/3 studies. Conditions studied include Kidney Failure, Chronic and Renal Insufficiency, Chronic. National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) sponsors the most, 2.
Conditions in Dr. Kliger's trials
- Kidney Failure, Chronic
- Renal Insufficiency, Chronic
Investigators on the most trials with Dr. Kliger
Recent clinical trials with Dr. Kliger
Frequent Hemodialysis Network: Daily Trial (opens in a new tab)
CompletedPhase 2/3
Kidney Failure, ChronicRenal Insufficiency, ChronicFrequent hemodialysisConventional hemodialysis
Frequent Hemodialysis Network: Nocturnal Trial (opens in a new tab)
Status unknownPhase 2/3
Kidney Failure, ChronicRenal Insufficiency, Chronic
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Alan S. Kliger received $5,437 in industry payments from 2016 to 2024
CMS Open Payments shows 124 general payments to Dr. Kliger from 27 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 57% of the total. Fresenius USA Marketing, Inc. paid the most, $3,228.
General payments to Dr. Kliger by program year, 2016 to 2024
General payments to Dr. Kliger by kind, 2016 to 2024
$5.4Kin total
- Food and beverage$3,08657%
- Travel and lodging$84215%
- Honoraria$75014%
- Gifts$4759%
- Other$2845%
Companies that paid Dr. Kliger the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan S. Kliger has 10 awards and honors on record
Dmand AI lists 10 awards for Dr. Kliger, most recently America's Top Doctors in 2014.
Awards and honors for Dr. Kliger
- 2014
- America's Top Doctors
- CMS Stage 1 EHR
- Top Doctors: New York Metro Area
- 2011
- New York Magazine: Top Doctors
- 2004
- Mauren Lundin aakpRENALLIFE Award
- 2000
- James P. Colangelo, M.D. Achievement Award
Source: Dmand AI Professional Profile Data
Dr. Alan S. Kliger graduated from SUNY Upstate Medical University
Dr. Kliger graduated from SUNY Upstate Medical University in 1970.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Alan S. Kliger accepts plans from 3 insurance carriers
Dr. Kliger is in network with 3 carriers, including Cigna, HCSC and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Cigna
- HCSC
- RI State Medicaid
Plan types Dr. Kliger accepts, by number of carriers
- Medicare2
- PPO2
- HMO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Alan S. Kliger'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| 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 | 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 |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Alan S. Kliger
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. Alan S. Kliger's NPI number?
Dr. Alan S. Kliger's NPI number is 1619963923. It was assigned on September 22, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan S. Kliger?
Dr. Alan S. Kliger is a nephrologist in New Haven, Connecticut. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Alan S. Kliger practice?
Dr. Kliger practices at 136 Sherman Ave, New Haven, CT 06511. Dr. Kliger also practices at 20 York St, New Haven, CT 06510. Dr. Kliger's primary practice is Yale Health Center - Primary Care - New Haven (Sherman Ave) in New Haven, Connecticut. Dmand AI also links Dr. Kliger to 1 group practice or clinic and 1 medical group.
What is Dr. Alan S. Kliger's office phone number?
The practice phone on file for Dr. Kliger is (203) 787-0117.
What is Dr. Alan S. Kliger's medical license number?
Dr. Kliger holds Connecticut license 17230.
What medical group is Dr. Alan S. Kliger part of?
Dr. Kliger is linked to Metabolism Associates. Dmand AI links Dr. Kliger to 1 more medical group.
Does Dr. Alan S. Kliger accept Medicare?
Yes. CMS data shows Dr. Kliger billed Medicare for 60 services in 2023.
What is Dr. Alan S. Kliger's MIPS score?
Dr. Kliger's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Is Dr. Alan S. Kliger board certified?
Yes. Dr. Kliger is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Alan S. Kliger bill to Medicare?
In 2023, Dr. Kliger's most billed Medicare services were office visit, established patient (99213).
Show 7 more questionsShow fewer questions
Where did Dr. Alan S. Kliger go to medical school?
Dr. Kliger graduated from SUNY Upstate Medical University in 1970.
What drugs does Dr. Alan S. Kliger prescribe most?
In 2024 Medicare Part D data, Dr. Kliger's most prescribed drugs by claims were Farxiga and Allopurinol.
Has Dr. Alan S. Kliger received payments from drug or device companies?
CMS Open Payments shows $5,437 in general payments to Dr. Kliger from 27 companies from 2016 to 2024. The largest total came from Fresenius USA Marketing, Inc.
How long has Dr. Alan S. Kliger been practicing?
Dr. Kliger graduated from medical school in 1970, 56 years ago.
Does Dr. Alan S. Kliger do research?
Dmand AI links 154 publications to Dr. Kliger, published from 2004 to 2024. Dr. Kliger has worked on 2 clinical trials.
Who does Dr. Alan S. Kliger publish with?
Dr. Kliger's most frequent co-authors are Glenn Matthew Chertow, MD (26 shared papers), Fredric O. Finkelstein, MD (6 shared papers) and Talat A. Ikizler, MD (6 shared papers).
What insurance does Dr. Alan S. Kliger accept?
Dr. Kliger is in network with 3 carriers, including Cigna, HCSC and RI State Medicaid. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
Selling to nephrology practices?
See nephrologists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card