MS. LORI HERSTEIN CRNA
NPI 1821293770
Nurse Anesthetist, Certified Registered in Baltimore, MD
About Ms. Lori Herstein Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. LORI HERSTEIN CRNA (NPI 1821293770) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (R141660) and active in the NPI registry since June 2007. She is affiliated with Medstar Union Memorial Hospital and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
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
Ms. Lori Herstein Crna 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 Lori Herstein reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Medical System Corporation
- 148 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
- 303 clinicians in this Medicare group
Baltimore, MD 21218
- Reassigned Medicare billing, Maryland enrollment
- 311 clinicians in this Medicare group
Baltimore, MD 21239
- Reassigned Medicare billing, Maryland enrollment
- 2,602 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medstar Union Memorial Hospital
Acute Care Hospitals · Baltimore, MDMedstar Good Samaritan Hospital
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21225 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 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
BALTIMORE, MD 21225
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 Lori Herstein's NPI number?
The NPI number for Lori Herstein is 1821293770. It was assigned to this individual provider in the NPPES registry on June 20, 2007.
Where is Lori Herstein located?
Lori Herstein practices at 3001 S Hanover St, Baltimore, MD 21225. The listed phone number is (410) 350-3341.
What is Lori Herstein's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Lori Herstein enrolled in Medicare?
Yes. Lori Herstein 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 Lori Herstein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lori Herstein reassigns Medicare benefits to 4 organizations: University Of Maryland Medical Center, LLC (Baltimore, MD), University Of Maryland Anesthesiology Associates P.A. (Baltimore, MD), Medstar Medical Group Anesthesiology LLC (Baltimore, MD) and Medstar Medical Group II LLC (Baltimore, MD). 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 Lori Herstein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Lori Herstein affiliated with any hospitals?
According to CMS data, Lori Herstein is affiliated with Medstar Union Memorial Hospital and Medstar Good Samaritan Hospital.
When was this NPI record last updated?
The NPPES record for Lori Herstein was last updated on April 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Ms. Lori Herstein, CRNA · NPI 1821293770
Nurse Anesthetist, Certified Registered physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since June 20, 2007.
## Identity
- **NPI:** 1821293770 (Entity type: Individual)
- **Enumerated:** June 20, 2007
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R141660 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 3001 S HANOVER ST, Baltimore, MD 21225-1233
- **Phone:** (410) 350-3341 · **Fax:** (410) 819-0712
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Maryland Medical Center, LLC (NPI 1659779171, Baltimore, MD); University Of Maryland Anesthesiology Associates P.A. (NPI 1033915145, Baltimore, MD); Medstar Medical Group Anesthesiology LLC (NPI 1528578333, Baltimore, MD); Medstar Medical Group II LLC (NPI 1184046187, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** April 19, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1821293770) · Data from the CMS NPPES public registry.