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DR. JASON HAROLD MENDLER MD, PHD
NPI 1932211620
Internal Medicine - Hematology in Rochester, NY

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment
76.84/100
CMS Quality Rating
601 ELMWOOD AVE, BOX MED, ROCHESTER, NY 14642(585) 275-5823(585) 273-1051 Get Directions Write a Review

NPPES record last updated: July 6, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jason Harold Mendler Md, Phd NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JASON HAROLD MENDLER MD, PHD (NPI 1932211620) is an individual hematology provider in Rochester, New York, licensed in Ohio (35.093301) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with F F Thompson Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2005).

NPPES Registry Identity

NPI1932211620
Entity TypeIndividualMale
Primary Taxonomy207RH0000X
Provider Legal NameDR. JASON HAROLD MENDLERCredential: MD, PHD
Location Address601 ELMWOOD AVE, BOX MEDRochester, NY 14642-0001
Mailing Address601 Elmwood Ave, Box MedRochester, NY 14642-0001 · (585) 275-5823 · Fax (585) 273-1051
Phone(585) 275-5823
Fax(585) 273-1051
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2005
Enumeration DateAugust 31, 2006
Last NPPES UpdateJuly 6, 2023
✔ NPI 1932211620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · HematologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0000X
Licenses✔ Licensed in OH · 35.093301✔ Licensed in NY · 243730
Definition
An internist with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 243730 (NY)
601 ELMWOOD AVE, Rochester, NY 14642
Open in Google Maps ↗

Other Identifiers 1

MedicaidPENDINGOH

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. Jason Harold Mendler Md, Phd 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.

PECOS PAC ID2466531959
PECOS Enrollment IDI20080508000759
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jason Mendler reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hematology Clinical Group
Same address
Hematology
601 ELMWOOD AVE
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 154 clinicians in this Medicare group
NPI 1821049396 (585) 275-6687
University Of Rochester
Same address
General Acute Care Hospital
601 ELMWOOD AVE, BOX 684
Rochester, NY 14642
  • Reassigned Medicare billing, New York enrollment
  • 1,624 clinicians in this Medicare group
NPI 1346285657 (585) 275-2100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
85 services24 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
65 services39 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
41 services32 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
18 services11 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

F F Thompson Hospital

Acute Care Hospitals · Canandaigua, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330074
Location350 Parrish StreetCanandaigua, NY 14424 · Ontario County
Emergency services Birthing friendly

Strong Memorial Hospital

Acute Care Hospitals · Rochester, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330285
Location601 Elmwood AveRochester, NY 14642 · Monroe County
Emergency services Birthing friendly

Cayuga Medical Center At Ithaca

Acute Care Hospitals · Ithaca, NY
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330307
Location101 Dates DriveIthaca, NY 14850 · Tompkins County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14642 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$166.88 typical visit price
range $54.87 – $166.88
Typical copayment $41.72 (range $13.71 – $41.72)
Most-billed visit code 99205
Established Patient
$97.08 typical visit price
range $17.54 – $136.14
Typical copayment $24.27 (range $4.38 – $34.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

76.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.2
Promoting Interoperability100
Improvement Activities40
Cost42.68

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.

CARIE E BRADT RPA-C
Physician Assistant
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-6070
DR. RITA DADIZ DO
Pediatrics (Neonatal-Perinatal Medicine)
601 ELMWOOD AVE, BOX 635
ROCHESTER, NY 14642
Monroe County (585) 275-7787
DR. SCOTT ROSS SCHIFFMAN M.D.
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE, BOX 648
ROCHESTER, NY 14642
Monroe County (585) 275-1128
SARAH ANNE ROSSI FNP
Nurse Practitioner (Family)
601 ELMWOOD AVE, BOX 652
ROCHESTER, NY 14642
Monroe County (585) 279-5100
JIMENA CUBILLOS MD
Urology (Pediatric Urology)
601 ELMWOOD AVE, BOX 656
ROCHESTER, NY 14642
Monroe County (585) 275-3342
MRS. ANNE SCHERBERGER KEEFER RN NP
Nurse Practitioner (Adult Health)
601 ELMWOOD AVE, BOX 704
ROCHESTER, NY 14642
Monroe County (585) 275-5307
SCOTT OVERHOLT DDS
Student in an Organized Health Care Education/Training Program
601 ELMWOOD AVE, BOX 705
ROCHESTER, NY 14642
Monroe County (585) 275-7978
MS. SARAH L AVERILL MD
Radiology (Diagnostic Radiology)
601 ELMWOOD AVE
ROCHESTER, NY 14642
Monroe County (585) 275-2100

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 Jason Mendler's NPI number?

The NPI number for Jason Mendler is 1932211620. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Jason Mendler located?

Jason Mendler practices at 601 Elmwood Ave Box Med, Rochester, NY 14642. The listed phone number is (585) 275-5823.

What is Jason Mendler's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology, with taxonomy code 207RH0000X.

Is Jason Mendler enrolled in Medicare?

Yes. Jason Mendler 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 Jason Mendler's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Mendler reassigns Medicare benefits to 2 organizations: Hematology Clinical Group (Rochester, NY) and University Of Rochester (Rochester, NY). 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 Jason Mendler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jason Mendler affiliated with any hospitals?

According to CMS data, Jason Mendler is affiliated with F F Thompson Hospital, Strong Memorial Hospital and Cayuga Medical Center At Ithaca.

When was this NPI record last updated?

The NPPES record for Jason Mendler was last updated on July 6, 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.