Asher Marks, MD
Pediatric Hematology & Oncology Physician · New Haven, CT
Asher Marks, MD is a pediatric hematology & oncology physician with a practice address in New Haven, Connecticut, and NPI 1790942670, issued on May 19, 2008. Check the license (Connecticut 52046, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Asher Marks
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 52046 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 785-6668
- Enumerated
- May 19, 2008
- Record last updated
- Aug 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 37 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Asher Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 52046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Asher Marks among 37 pediatric hematology & oncology physician records in Connecticut
Asher Marks, MD is one of 37 pediatric hematology & oncology physician records with a practice address in Connecticut. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 46% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileNo · 24% of these records are
- Record last updated2013 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Connecticut
There are 37 pediatric hematology & oncology physician records in Connecticut.
All 37 in Connecticut → Every provider in New Haven → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Sarah Chirnomas, MDNew Haven, CT 065101326000860
- Jodi Forward, MDNew Haven, CT 065101336768936
- Tiffany Ho, MDNew Haven, CT 065101760126098
- Mary Jane Hogan, MD, MPHNew Haven, CT 065101962572172
- Nina Kadan-Lottick, MDNew Haven, CT 065101285618793
- Deeksha KatochNew Haven, CT 065101457913469
- Farzana Pashankar, MBBSNew Haven, CT 065101700860210
- Daniel Prior, MDNew Haven, CT 065101063078236
Common questions
What is Asher Marks, MD's NPI number?
Asher Marks, MD's National Provider Identifier (NPI) is 1790942670, issued on May 19, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Asher Marks, MD located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 785-6668. Providers update this record themselves, so call before visiting.
How can I verify Asher Marks, MD's license?
NPPES lists Connecticut license number 52046, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Asher Marks, MD's MIPS final score?
The 2023 MIPS final score is 73.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.