Donald Underwood, MD
NPI 1720179427 · Cardiovascular Disease Physician · Cleveland, OH
Donald Underwood, MD is a Cardiovascular Disease Physician provider in Cleveland, OH (NPI 1720179427).
Provider details
- NPI number
- 1720179427
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35042300 (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
19 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
- 2006-09-27
- Last updated
- 2008-02-22
Frequently asked questions
- What is Donald Underwood's NPI number?
- Donald Underwood's National Provider Identifier (NPI) is 1720179427, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Underwood's specialty?
- Donald Underwood is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Underwood located?
- Donald Underwood's practice location on file with NPPES is 9500 Euclid Ave, Cleveland, OH 44195-0001.
- What is Donald Underwood's phone number?
- The practice phone number listed in the NPPES registry for Donald Underwood is (800) 223-2273.
- Is Donald Underwood's NPI active?
- Yes — Donald Underwood's NPI (1720179427) is active in the NPPES registry as of the last update on 2008-02-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.