MRS. MALLORY ELLEN HATMAKER N.P.
NPI 1336558527
Nurse Practitioner - Adult Health in Cleveland, OH
About Mrs. Mallory Ellen Hatmaker N.p. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. MALLORY ELLEN HATMAKER N.P. (NPI 1336558527) is an individual adult health provider in Cleveland, Ohio, licensed in Ohio (COA.16118-NP) and active in the NPI registry since August 2014. She is enrolled in Medicare PECOS, is affiliated with Lake Health, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 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
Mrs. Mallory Ellen Hatmaker N.p. 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 Reassignment
Medicare enrollment records show Mallory Hatmaker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Cleveland, OH 44195
- Reassigned Medicare billing, Ohio enrollment
- 7,608 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.
Areas of Expertise CMS Part B claims 5
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lake Health
Acute Care Hospitals · Concord, OHCleveland Clinic
Acute Care Hospitals · Cleveland, OHHillcrest Hospital
Acute Care Hospitals · Mayfield Heights, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44195 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
CLEVELAND, OH 44195
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 Mallory Hatmaker's NPI number?
The NPI number for Mallory Hatmaker is 1336558527. It was assigned to this individual provider in the NPPES registry on August 12, 2014. The provider is also known as Mallory Dragon.
Where is Mallory Hatmaker located?
Mallory Hatmaker practices at Cleveland Clinic 9500 Euclid Ave- Wellness, Cleveland, OH 44195. The listed phone number is (440) 813-1570.
What is Mallory Hatmaker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Mallory Hatmaker enrolled in Medicare?
Yes. Mallory Hatmaker 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 organization bills Medicare for Mallory Hatmaker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mallory Hatmaker reassigns Medicare benefits to The Cleveland Clinic Foundation (Cleveland, OH). The 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 Mallory Hatmaker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mallory Hatmaker affiliated with any hospitals?
According to CMS data, Mallory Hatmaker is affiliated with Lake Health, Cleveland Clinic and Hillcrest Hospital.
When was this NPI record last updated?
The NPPES record for Mallory Hatmaker was last updated on August 12, 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.
# Mrs. Mallory Ellen Hatmaker, N.P. · NPI 1336558527
Adult Health physician in Cleveland, Ohio. Individual provider, active in the CMS NPPES registry since August 12, 2014.
## Identity
- **NPI:** 1336558527 (Entity type: Individual)
- **Enumerated:** August 12, 2014
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** COA.16118-NP (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** CLEVELAND CLINIC, 9500 EUCLID AVE- WELLNESS, Cleveland, OH 44195-0001
- **Phone:** (440) 813-1570
## 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:** The Cleveland Clinic Foundation (NPI 1679525919, Cleveland, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 12, 2014
- **Other identifiers:** Other AG0614140 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1336558527) · Data from the CMS NPPES public registry.