DR. JACK MARTIN LONG PH.D.
NPI 1447296629
Social Worker - Clinical in Catonsville, MD
About Dr. Jack Martin Long Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACK MARTIN LONG PH.D. (NPI 1447296629) is an individual clinical provider in Catonsville, Maryland, licensed in Maryland (03068) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1981).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Jack Martin Long Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Jack Long reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Catonsville, MD 21228
- Reassigned Medicare billing, Maryland enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21228 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21228
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jack Long's NPI number?
The NPI number for Jack Long is 1447296629. It was assigned to this individual provider in the NPPES registry on June 22, 2006.
Where is Jack Long located?
Jack Long practices at 720C Maiden Choice Ln, Catonsville, MD 21228. The listed phone number is (410) 744-5499.
What is Jack Long's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Jack Long enrolled in Medicare?
Yes. Jack Long is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Jack Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jack Long reassigns Medicare benefits to Dr. Jack M. Long & Assoc., P.A. (Catonsville, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jack Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jack Long was last updated on December 12, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Jack Martin Long, PH.D. · NPI 1447296629
Clinical provider in Catonsville, Maryland. Individual provider, active in the CMS NPPES registry since June 22, 2006.
## Identity
- **NPI:** 1447296629 (Entity type: Individual)
- **Enumerated:** June 22, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 03068 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 720C MAIDEN CHOICE LN, Catonsville, MD 21228-5940
- **Phone:** (410) 744-5499 · **Fax:** (410) 455-0894
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Dr. Jack M. Long & Assoc., P.A. (NPI 1144599572, Catonsville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1981
## Record status
- **NPPES last updated:** December 12, 2011
- **Other identifiers:** Medicare ID-Type Unspecified Q292JM (MD); Other R7610001 (MD); Medicaid 755011100 (MD); and 3 more
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Source: [NPI Profile](https://npiprofile.com/npi/1447296629) · Data from the CMS NPPES public registry.