William Leif Ericksen, MD
Anesthesiology Physician · Johnson City, NY
William Leif Ericksen, MD is an anesthesiology physician with a practice address in Johnson City, New York, and NPI 1821446402, issued on May 24, 2016. Check the license (New York 304634, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Leif Ericksen
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 304634 NY
Self-reported in NPPES; status is on the state search - Practice location
- 156 Corliss Ave Apt 107, Johnson City, NY 13790
- Phone
- (607) 763-6735
- Enumerated
- May 24, 2016
- Record last updated
- Jun 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (607) 763-6736
- Medicare enrollment
- Enrolled (PECOS I20210824000961); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 5,062 in New York → Look up another NPI →
Also registered at 156 Corliss Ave Apt 107
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maria Delrosario-Mantz, CRNARegistered Nurse1851225486
- John Fay, CRNACertified Registered Nurse Anesthetist1699364158
- Adam Scotchlas, CRNACertified Registered Nurse Anesthetist1245974468
Verify William Leif Ericksen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 304634Check 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): 91.7 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).
Industry payments in 2024: $20.02
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- United Health Services Hospitals, Inc.Binghamton, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Leif Ericksen among 5,062 anesthesiology physician records in New York
William Leif Ericksen, MD is one of 5,062 anesthesiology physician records with a practice address in New York. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 79% of them.
- NPI issued2016 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated2016 · median 2006 among the 3,612 with a school on file
- Record last updated2021 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 anesthesiology physician records list a practice address in Johnson City
They are 23 of the 949 NPPES records with a practice address in Johnson City, and 5,062 anesthesiology physician records in New York.
All 5,062 in New York → Every provider in Johnson City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Omar Alkhalidi, MDJohnson City, NY 137901417996398
- Robert Altschuler, MDJohnson City, NY 137901770527368
- Sewng Choi, MDJohnson City, NY 137901497799084
- Leah Cunningham, MDJohnson City, NY 137901407899537
- Jodie Howell, M.D.Johnson City, NY 137901750586400
- Chung Hwang, MDJohnson City, NY 137901649213737
- Hank Kang, MDJohnson City, NY 137901750325346
- Hotek Kim, MDJohnson City, NY 137901023051026
Common questions
What is William Leif Ericksen, MD's NPI number?
William Leif Ericksen, MD's National Provider Identifier (NPI) is 1821446402, issued on May 24, 2016. An NPI identifies a provider in billing; it is not a license.
Where is William Leif Ericksen, MD located?
The NPPES record lists a practice address at 156 Corliss Ave Apt 107, Johnson City, NY, 13790. Phone: (607) 763-6735. Providers update this record themselves, so call before visiting.
How can I verify William Leif Ericksen, MD's license?
NPPES lists New York license number 304634, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is William Leif Ericksen, MD's MIPS final score?
The 2023 MIPS final score is 91.7 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.