DR. JACOB FREDRICK COLLEN M.D.
NPI 1528164704
Internal Medicine - Critical Care Medicine in Washington, DC
About Dr. Jacob Fredrick Collen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JACOB FREDRICK COLLEN M.D. (NPI 1528164704) is an individual critical care medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500002488) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS, is affiliated with Frederick Health Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Other Identifiers 1
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. Jacob Fredrick Collen M.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 Reassignments
8Medicare enrollment records show Jacob Collen reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, DC 20007
- Reassigned Medicare billing, District of Columbia enrollment
- 3,530 clinicians in this Medicare group
Arlington, VA 22203
- Reassigned Medicare billing, District of Columbia enrollment
- 691 clinicians in this Medicare group
Rockville, MD 20852
- Reassigned Medicare billing, District of Columbia enrollment
- 2 clinicians in this Medicare group
Rockville, MD 20850
- Reassigned Medicare billing, District of Columbia enrollment
- 80 clinicians in this Medicare group
Clarksville, MD 21029
- Reassigned Medicare billing, Maryland enrollment
- 317 clinicians in this Medicare group
La Plata, MD 20646
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Mount Airy, MD 21771
- Reassigned Medicare billing, Maryland enrollment
- 245 clinicians in this Medicare group
Elkton, MD 21921
- Reassigned Medicare billing, District of Columbia enrollment
- 347 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.
Areas of Expertise CMS Part B claims 6
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Frederick Health Hospital
Acute Care Hospitals · Frederick, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 14
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WASHINGTON, DC 20016
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 Jacob Collen's NPI number?
The NPI number for Jacob Collen is 1528164704. It was assigned to this individual provider in the NPPES registry on September 15, 2006.
Where is Jacob Collen located?
Jacob Collen practices at 5255 Loughboro Rd NW, Washington, DC 20016. The listed phone number is (410) 955-5000.
What is Jacob Collen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Jacob Collen enrolled in Medicare?
Yes. Jacob Collen 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 Jacob Collen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob Collen reassigns Medicare benefits to 8 organizations: Medstar Medical Group II LLC (Washington, DC), Johns Hopkins Community Physicians (Arlington, VA), Mobile Medical Professionals LLC (Rockville, MD), Usacs Critical Care Medicine Services East, LLC (Rockville, MD), Lifebridge Community Physicians, Inc (Clarksville, MD) and 3 more organizations, listed in the Medicare section above. 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 Jacob Collen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Jacob Collen affiliated with any hospitals?
According to CMS data, Jacob Collen is affiliated with Frederick Health Hospital.
When was this NPI record last updated?
The NPPES record for Jacob Collen was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Jacob Fredrick Collen, M.D. · NPI 1528164704
Critical Care Medicine physician in Washington, District of Columbia. Individual provider, active in the CMS NPPES registry since September 15, 2006.
## Identity
- **NPI:** 1528164704 (Entity type: Individual)
- **Enumerated:** September 15, 2006
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** MD500002488 (District of Columbia)
- **Sole proprietor:** No
## Practice location
- **Address:** 5255 LOUGHBORO RD NW, Washington, DC 20016-2633
- **Phone:** (410) 955-5000
## 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:** 8 organizations under Medicare reassignment (form CMS-855R): Medstar Medical Group II LLC (NPI 1205562816, Washington, DC); Johns Hopkins Community Physicians (NPI 1902626765, Arlington, VA); Mobile Medical Professionals LLC (NPI 1578312096, Rockville, MD); Usacs Critical Care Medicine Services East, LLC (NPI 1356007116, Rockville, MD); Lifebridge Community Physicians, Inc (NPI 1437528551, Clarksville, MD); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 2002
## Record status
- **NPPES last updated:** March 19, 2025
- **Other identifiers:** Other D79963 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1528164704) · Data from the CMS NPPES public registry.