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John Rosenfield, M.D.
NPI 1437217122 · Pediatrics Physician · Delaware, OH
John Rosenfield, M.D. is a Pediatrics Physician provider in Delaware, OH (NPI 1437217122).
Provider details
- NPI number
- 1437217122
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 35-04-4856-R (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1201 US Highway 23 N
Suite E
Delaware, OH 43015-8960
Phone: (740) 363-5755
Fax: (740) 363-3117
Street-level locationGet directions
Mailing address
1201 US Highway 23 N
Delaware, OH 43015-8960
Registry dates
- Enumerated
- 2006-12-05
- Last updated
- 2007-07-09
Frequently asked questions
- What is John Rosenfield's NPI number?
- John Rosenfield's National Provider Identifier (NPI) is 1437217122, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Rosenfield's specialty?
- John Rosenfield is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is John Rosenfield located?
- John Rosenfield's practice location on file with NPPES is 1201 US Highway 23 N, Delaware, OH 43015-8960.
- What is John Rosenfield's phone number?
- The practice phone number listed in the NPPES registry for John Rosenfield is (740) 363-5755.
- Is John Rosenfield's NPI active?
- Yes — John Rosenfield's NPI (1437217122) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.