DR. TIMOTHY JACK MD
NPI 1891949723
Psychiatry & Neurology - Psychiatry in Baltimore, MD
About Dr. Timothy Jack Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TIMOTHY JACK MD (NPI 1891949723) is an individual psychiatry provider in Baltimore, Maryland, licensed in Maryland (D0032712) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS and is a graduate of University Of Maryland School Of Medicine (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
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. Timothy Jack Md 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 Reassignments
4Medicare enrollment records show Timothy Jack reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21224
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: Baltimore Medical System, Inc.
- 243 clinicians in this Medicare group
Timonium, MD 21093
- Reassigned Medicare billing, Florida enrollment
Silver Spring, MD 20910
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Fort Pierce, FL 34947
- Reassigned Medicare billing, Florida enrollment
- Also billed through NPI 1346619244 (Florida)
- 50 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
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 Timothy Jack's NPI number?
The NPI number for Timothy Jack is 1891949723. It was assigned to this individual provider in the NPPES registry on November 5, 2008.
Where is Timothy Jack located?
Timothy Jack practices at 1040 Park Ave Ste 200, Baltimore, MD 21201. The listed phone number is (443) 738-0300.
What is Timothy Jack's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Timothy Jack enrolled in Medicare?
Yes. Timothy Jack 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 organizations bill Medicare for Timothy Jack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Jack reassigns Medicare benefits to 4 organizations: Baltimore Medical Systems, Inc. (Baltimore, MD), Jackson Professional Associates LLC (Timonium, MD), Mindoula Health Inc. (Silver Spring, MD) and Florida Community Health Centers, Inc. (Fort Pierce, FL). Each 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 Timothy Jack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Timothy Jack accept?
Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company) and Oscar Health Maintenance Organization of Florida list Timothy Jack as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Timothy Jack was last updated on October 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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. Timothy Jack, MD · NPI 1891949723
Psychiatry physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since November 5, 2008.
## Identity
- **NPI:** 1891949723 (Entity type: Individual)
- **Enumerated:** November 5, 2008
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** D0032712 (Maryland)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1040 PARK AVE STE 200, Baltimore, MD 21201-5634
- **Phone:** (443) 738-0300 · **Fax:** (443) 738-0301
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Baltimore Medical Systems, Inc. (NPI 1164138152, Baltimore, MD); Jackson Professional Associates LLC (NPI 1376402024, Timonium, MD); Mindoula Health Inc. (NPI 1558843813, Silver Spring, MD); Florida Community Health Centers, Inc. (NPI 1205405271, Fort Pierce, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 1979
## Record status
- **NPPES last updated:** October 6, 2025
- **Other identifiers:** Medicaid 062131500 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1891949723) · Data from the CMS NPPES public registry.