Sharon Ostfeld-Johns
NPI 1588081459 · Pediatrics Physician · New Haven, CT
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sharon Ostfeld-Johns is a Pediatrics Physician provider in New Haven, CT (NPI 1588081459).
Provider details
- NPI number
- 1588081459
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 62209 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
99 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $80 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 32 | $51 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 16 | $121 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 13 | $83 |
Typical Medicare-allowed amounts for these services range $51–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (1)
- 20 York Street, Cb-2041New Haven, CT 06510-3220Phone: (203) 688-1734Fax: (203) 688-4740
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2019-12-09
- Certified
- 2019-12-09
Frequently asked questions
- What is Sharon Ostfeld-Johns's NPI number?
- Sharon Ostfeld-Johns's National Provider Identifier (NPI) is 1588081459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sharon Ostfeld-Johns's specialty?
- Sharon Ostfeld-Johns is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Sharon Ostfeld-Johns located?
- Sharon Ostfeld-Johns's practice location on file with NPPES is 333 Cedar St, New Haven, CT 06510-3206.
- What is Sharon Ostfeld-Johns's phone number?
- The practice phone number listed in the NPPES registry for Sharon Ostfeld-Johns is (203) 785-7941.
- Does Sharon Ostfeld-Johns accept Medicare?
- Sharon Ostfeld-Johns is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sharon Ostfeld-Johns's NPI active?
- Yes — Sharon Ostfeld-Johns's NPI (1588081459) is active in the NPPES registry as of the last update on 2019-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.