Joan Andersen Twombly, NP-C
Specialty details in registry · Pompton Plains, NJ
At a glance
1 Cedar Crest Village Dr, Pompton Plains, NJ 07444
NPPES record updated Jan 12, 2023. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1 Cedar Crest Village DrPompton Plains, NJ 07444
Additional reported practice locations
47 Rolling Ridge RdUpper Saddle River, NJ 074581767
Phone: 2032401292 47 Rolling Ridge Rd
Upper Saddle River, NJ 074581767
Phone: 2032401292
Education & affiliations
No matching clinician background record in the imported CMS release.
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Specialty details in registry
- Taxonomy code
- 363LP2300X
- Enumeration date
- Nov 10, 2011
- Record updated
- Jan 12, 2023
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- NP-C
Reported taxonomies and licenses
363LP2300X
License reported: 004669 CT
363LP2300X
License reported: 26NJ00337400 NJ
363LP2300X · Primary
License reported: 101.0135933FCTY VT
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1 Cedar Crest Village DrPompton Plains, NJ 07444
- Phone
- (973) 831-3540
- Fax
- (973) 831-3503
Mailing address
5525 RESEARCH PARK DR FL 4BALTIMORE, MD 212284873
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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