Donald Dewald, M.D.
NPI 1538147525 · Hematology & Oncology Physician · Mansfield, OH
Donald Dewald, M.D. is a Hematology & Oncology Physician provider in Mansfield, OH (NPI 1538147525).
Provider details
- NPI number
- 1538147525
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35039490D (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-09
- Last updated
- 2011-07-01
Frequently asked questions
- What is Donald Dewald's NPI number?
- Donald Dewald's National Provider Identifier (NPI) is 1538147525, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Dewald's specialty?
- Donald Dewald is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Dewald located?
- Donald Dewald's practice location on file with NPPES is 1125 Aspira Ct, Mansfield, OH 44906-4125.
- What is Donald Dewald's phone number?
- The practice phone number listed in the NPPES registry for Donald Dewald is (419) 756-2122.
- Is Donald Dewald's NPI active?
- Yes — Donald Dewald's NPI (1538147525) is active in the NPPES registry as of the last update on 2011-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.