DR. KARAN SINGH ALAG M.D.
NPI 1245560093
Hospitalist in Rochester, NY
About Dr. Karan Singh Alag M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARAN SINGH ALAG M.D. (NPI 1245560093) is an individual hospitalist provider in Rochester, New York, licensed in Florida (ME154072) and active in the NPI registry since December 2009. He is enrolled in Medicare PECOS, is affiliated with Adventhealth Orlando, and maintains a secondary practice location in Lake Mary.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Dr. Karan Singh Alag M.d. 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
7Medicare enrollment records show Karan Alag reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14621
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Rochester, NY 14617
- Reassigned Medicare billing, New York enrollment
- 1,442 clinicians in this Medicare group
Newark, NY 14513
- Reassigned Medicare billing, New York enrollment
- 679 clinicians in this Medicare group
Clifton Springs, NY 14432
- Reassigned Medicare billing, New York enrollment
- 872 clinicians in this Medicare group
Jacksonville Beach, FL 32250
- Reassigned Medicare billing, Florida enrollment
- 335 clinicians in this Medicare group
Lake Mary, FL 32746
- Reassigned Medicare billing, Florida enrollment
- 329 clinicians in this Medicare group
Lake Mary, FL 32746
- Reassigned Medicare billing, Florida enrollment
- 214 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Adventhealth Orlando
Acute Care Hospitals · Orlando, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14621 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Karan Alag's NPI number?
The NPI number for Karan Alag is 1245560093. It was assigned to this individual provider in the NPPES registry on December 29, 2009.
Where is Karan Alag located?
Karan Alag practices at 1425 Portland Ave Box 287, Rochester, NY 14621. The listed phone number is (585) 922-5067.
What is Karan Alag's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Karan Alag enrolled in Medicare?
Yes. Karan Alag 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 Karan Alag's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karan Alag reassigns Medicare benefits to 7 organizations: Rochester General Hospital (Rochester, NY), The Unity Hospital Of Rochester (Rochester, NY), Newark Wayne Community Hospital (Newark, NY), Clifton Springs Sanitarium Co (Clifton Springs, NY), Cogent Healthcare Of Pensacola LLC (Jacksonville Beach, FL) and 2 more organizations, listed in the Medicare section above. 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 Karan Alag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Karan Alag affiliated with any hospitals?
According to CMS data, Karan Alag is affiliated with Adventhealth Orlando.
When was this NPI record last updated?
The NPPES record for Karan Alag was last updated on October 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Karan Singh Alag, M.D. · NPI 1245560093
Hospitalist physician in Rochester, New York. Individual provider, active in the CMS NPPES registry since December 29, 2009.
## Identity
- **NPI:** 1245560093 (Entity type: Individual)
- **Enumerated:** December 29, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** ME154072 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1425 PORTLAND AVE, BOX 287, Rochester, NY 14621-3001
- **Phone:** (585) 922-5067 · **Fax:** (585) 922-2908
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Rochester General Hospital (NPI 1063531929, Rochester, NY); The Unity Hospital Of Rochester (NPI 1457395766, Rochester, NY); Newark Wayne Community Hospital (NPI 1346369212, Newark, NY); Clifton Springs Sanitarium Co (NPI 1366505463, Clifton Springs, NY); Cogent Healthcare Of Pensacola LLC (NPI 1346287182, Jacksonville Beach, FL); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** October 27, 2023
- **Other identifiers:** Medicaid 03250295 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1245560093) · Data from the CMS NPPES public registry.