JOHN C MARKLEY MD
NPI 1922389931
Anesthesiology in Boston, MA
About John C Markley Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN C MARKLEY MD (NPI 1922389931) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (258308) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS and is a graduate of Js Weill Medical College, Cornell University (2010).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
John C Markley Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show John Markley reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 723 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
BOSTON, MA 02115
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Markley's NPI number?
The NPI number for John Markley is 1922389931. It was assigned to this individual provider in the NPPES registry on September 2, 2011.
Where is John Markley located?
John Markley practices at 75 Francis St Cwn L1, Boston, MA 02115. The listed phone number is (617) 732-8210.
What is John Markley's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Markley enrolled in Medicare?
Yes. John Markley is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for John Markley's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Markley reassigns Medicare benefits to 2 organizations: University Of California Sfgh Medical Group (San Francisco, CA) and University Anesthesia Medical Group (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for John Markley's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Markley was last updated on July 21, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# John C Markley, MD · NPI 1922389931
Anesthesiology physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since September 2, 2011.
## Identity
- **NPI:** 1922389931 (Entity type: Individual)
- **Enumerated:** September 2, 2011
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 258308 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 75 FRANCIS ST, CWN L1, Boston, MA 02115-6110
- **Phone:** (617) 732-8210
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): University Of California Sfgh Medical Group (NPI 1174598296, San Francisco, CA); University Anesthesia Medical Group (NPI 1528137296, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Js Weill Medical College, Cornell University, class of 2010
## Record status
- **NPPES last updated:** July 21, 2014
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Source: [NPI Profile](https://npiprofile.com/npi/1922389931) · Data from the CMS NPPES public registry.