John Masek, CRNA
Certified Registered Nurse Anesthetist · Philadelphia, PA
John Masek, CRNA is a certified registered nurse anesthetist with a practice address in Philadelphia, Pennsylvania, and NPI 1740206705, issued on Jul 14, 2006. Check the license (Pennsylvania 310215L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Masek
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- 310215L PA
Self-reported in NPPES; status is on the state search - Practice location
- 800 Spruce Street, Philadelphia, PA 19107
- Phone
- (215) 829-5664
- Enumerated
- Jul 14, 2006
- Record last updated
- Nov 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050628000843); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 4,822 in Pennsylvania → Look up another NPI →
Also registered at 800 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Masek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license 310215LCheck 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): 86.8 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: $31.46
1 payment: food and beverage; the largest payer was Medtronic, Inc. The 24,076 providers of this specialty with any payment received $135.08 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
- Clinical Care Associates OF The University OF Pennsylvania Health.West Chester, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Masek among 4,822 certified registered nurse anesthetist records in Pennsylvania
John Masek, CRNA is one of 4,822 certified registered nurse anesthetist records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2012 among the 3,576 with a school on file
- Record last updated2007 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
710 certified registered nurse anesthetist records list a practice address in Philadelphia
They are 710 of the 42,849 NPPES records with a practice address in Philadelphia, and 4,822 certified registered nurse anesthetist records in Pennsylvania.
All 4,822 in Pennsylvania → Every provider in Philadelphia → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Francesca Addiego, CRNAPhiladelphia, PA 191071124058995
- Lewis Bennett, CRNAPhila, PA 191071538125182
- Michele Byrnes, CRNAPhiladelphia, PA 191071134125966
- Agatha Carducci-Kuhn, CRNAPhiladelphia, PA 191071083647655
- Daniel Chojnacki, CRNAPhiladelphia, PA 191071427025394
- Borka Corson, CRNAPhiladelphia, PA 191071104859644
- Michael Dower, CRNAPhiladelphia, PA 191071720052574
- Susan Dubow, CRNAPhiladelphia, PA 191071184662298
Common questions
What is John Masek, CRNA's NPI number?
John Masek, CRNA's National Provider Identifier (NPI) is 1740206705, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Masek, CRNA located?
The NPPES record lists a practice address at 800 Spruce Street, Philadelphia, PA, 19107. Phone: (215) 829-5664. Providers update this record themselves, so call before visiting.
How can I verify John Masek, CRNA's license?
NPPES lists Pennsylvania license number 310215L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
What is John Masek, CRNA's MIPS final score?
The 2023 MIPS final score is 86.8 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.