DR. ALYSSA MARIA PARIAN MD
NPI 1154580033
Internal Medicine - Gastroenterology in Baltimore, MD
About Dr. Alyssa Maria Parian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALYSSA MARIA PARIAN MD (NPI 1154580033) is an individual gastroenterology provider in Baltimore, Maryland, licensed in New Jersey (25MA12417600) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, is affiliated with Hackensack University Medical Center, and maintains a secondary practice location in Hackensack.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
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. Alyssa Maria Parian 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
2Medicare enrollment records show Alyssa Parian reassigns Medicare billing to 2 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
- 4,483 clinicians in this Medicare group
Red Bank, NJ 07701
- Reassigned Medicare billing, New Jersey enrollment
- 2,844 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 8
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.
Hackensack University Medical Center
Acute Care Hospitals · Hackensack, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21224 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
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.
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
BALTIMORE, MD 21224
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 Alyssa Parian's NPI number?
The NPI number for Alyssa Parian is 1154580033. It was assigned to this individual provider in the NPPES registry on June 5, 2008.
Where is Alyssa Parian located?
Alyssa Parian practices at 4940 Eastern Ave Suite 502, Baltimore, MD 21224. The listed phone number is (410) 550-5122.
What is Alyssa Parian's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Alyssa Parian enrolled in Medicare?
Yes. Alyssa Parian 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 Alyssa Parian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyssa Parian reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Hackensack Meridian Health Medical Group - Specialty Care PC (Red Bank, NJ). 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 Alyssa Parian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyssa Parian accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Alyssa Parian 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.
Is Alyssa Parian affiliated with any hospitals?
According to CMS data, Alyssa Parian is affiliated with Hackensack University Medical Center.
When was this NPI record last updated?
The NPPES record for Alyssa Parian was last updated on October 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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. Alyssa Maria Parian, MD · NPI 1154580033
Gastroenterology physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 5, 2008.
## Identity
- **NPI:** 1154580033 (Entity type: Individual)
- **Enumerated:** June 5, 2008
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 25MA12417600 (New Jersey)
- **Sole proprietor:** No
## Practice location
- **Address:** 4940 EASTERN AVE, SUITE 502, Baltimore, MD 21224-2735
- **Phone:** (410) 550-5122
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Johns Hopkins University (NPI 1275515546, Baltimore, MD); Hackensack Meridian Health Medical Group - Specialty Care PC (NPI 1215989249, Red Bank, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** October 11, 2024
- **Other identifiers:** Medicaid 080062700 (MD); Other P01542747 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1154580033) · Data from the CMS NPPES public registry.