John Markakis, CRNA
Certified Registered Nurse Anesthetist · Philadelphia, PA
John Markakis, CRNA is a certified registered nurse anesthetist with a practice address in Philadelphia, Pennsylvania, and NPI 1972182277, issued on Apr 5, 2021. Check the license (Pennsylvania RN642784, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Markakis
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- RN642784 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3400 Spruce Street, Philadelphia, PA 19104
- Phone
- (215) 349-8310
- Enumerated
- Apr 5, 2021
- Record last updated
- May 24, 2024
- Fax
- (215) 893-7270
- Medicare enrollment
- Enrolled (PECOS I20220321001398); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 4,822 in Pennsylvania → Look up another NPI →
Also registered at 3400 Spruce Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alice Abernathy, MDObstetrics & Gynecology Physician1740711498
- Mariam Aboian, M.D., PH.D.Diagnostic Radiology Physician1356669386
- Samir Abu Gazala, M.D.Surgery Physician1750708251
Verify John Markakis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
Search for license RN642784Check 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): 85.5 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).
Bills Medicare through one group practice
- University OF Penn - Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Markakis among 4,822 certified registered nurse anesthetist records in Pennsylvania
John Markakis, 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 2021, is newer than 85% of them.
- NPI issued2021 · 85% of these records are older, 11% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2012 · median 2012 among the 3,576 with a school on file
- Record last updated2024 · 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
- Richard Alsdorf, CRNAPhiladelphia, PA 191041851389837
- Joyce Bloom, CRNAPhiladelphia, PA 191041316946031
- Michele Hartigan, CRNAPhiladelphia, PA 191041588664171
- Marlene Iannotti, CRNAPhiladelphia, PA 191041902801491
- Jayne Johnstone, CRNAPhiladelphia, PA 191041588661342
- Beth La Bella, CRNAPhiladelphia, PA 191041619979234
- Tak Lau, CRNAPhiladelphia, PA 191041417938051
- Murali Manohar, CRNAPhiladelphia, PA 191041972547081
Common questions
What is John Markakis, CRNA's NPI number?
John Markakis, CRNA's National Provider Identifier (NPI) is 1972182277, issued on Apr 5, 2021. An NPI identifies a provider in billing; it is not a license.
Where is John Markakis, CRNA located?
The NPPES record lists a practice address at 3400 Spruce Street, Philadelphia, PA, 19104. Phone: (215) 349-8310. Providers update this record themselves, so call before visiting.
How can I verify John Markakis, CRNA's license?
NPPES lists Pennsylvania license number RN642784, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.
What is John Markakis, CRNA's MIPS final score?
The 2023 MIPS final score is 85.5 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.