Mary Jelderks, MD
NPI 1972164077 · Rheumatology Physician · Ridgewood, NJ
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Jelderks, MD is a Rheumatology Physician provider in Ridgewood, NJ (NPI 1972164077).
Provider details
- NPI number
- 1972164077
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 25MA12465700 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
6 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2019-06-28
- Last updated
- 2025-01-21
- Certified
- 2025-01-21
Frequently asked questions
- What is Mary Jelderks's NPI number?
- Mary Jelderks's National Provider Identifier (NPI) is 1972164077, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Jelderks's specialty?
- Mary Jelderks is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Jelderks located?
- Mary Jelderks's practice location on file with NPPES is 1200 E Ridgewood Ave Ste 306, Ridgewood, NJ 07450-3937.
- What is Mary Jelderks's phone number?
- The practice phone number listed in the NPPES registry for Mary Jelderks is (201) 389-0096.
- Does Mary Jelderks accept Medicare?
- Mary Jelderks is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Jelderks's NPI active?
- Yes — Mary Jelderks's NPI (1972164077) is active in the NPPES registry as of the last update on 2025-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.