LAURA ZIMMERMAN CRNA
NPI 1447648332
Nurse Anesthetist, Certified Registered in Baltimore, MD

Active since December 31, 2014Accepts Medicare Assignment
100/100
CMS Quality Rating
22 S GREENE ST, BALTIMORE, MD 21201(252) 202-3747 Get Directions Write a Review

NPPES record last updated: October 2, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 2, 2019, Jan 22, 2016 (2 updates tracked since 2016).

About Laura Zimmerman Crna NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LAURA ZIMMERMAN CRNA (NPI 1447648332) is an individual nurse anesthetist, certified registered in Baltimore, Maryland, licensed in Maryland (R214374) and active in the NPI registry since December 2014. She is a graduate of Other (2014).

NPPES Registry Identity

NPI1447648332
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameLAURA ZIMMERMANCredential: CRNA
Location Address22 S GREENE STBaltimore, MD 21201-1544
Mailing Address8623 Golden Grain CtEllicott City, MD 21043-6541 · (252) 202-3747
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateDecember 31, 2014
Last NPPES UpdateOctober 2, 20192 updates tracked since enumeration
✔ NPI 1447648332 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in MD · R214374
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
22 S GREENE ST, Baltimore, MD 21201

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

Laura Zimmerman 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.

PECOS PAC ID7719203744
PECOS Enrollment IDI20150310000181

Medicare Billing Reassignments

6

Medicare enrollment records show Laura Zimmerman reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nurse Anesthetist, Certified Registered
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • 148 clinicians in this Medicare group
Emergency Care
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: Shock Trauma Associates PA
  • 541 clinicians in this Medicare group
Anesthesiology
22 S GREENE ST
Baltimore, MD 21201
  • Reassigned Medicare billing, Maryland enrollment
  • Medicare enrollment name: University Of Maryland Anesthesiology Associates PA
  • 303 clinicians in this Medicare group
Gastroenterology
700 GEIPE ROAD STE 230
Baltimore, MD 21228
  • Reassigned Medicare billing, Maryland enrollment
  • 96 clinicians in this Medicare group
Anesthesiology
5401 OLD COURT RD
Randallstown, MD 21133
  • Reassigned Medicare billing, Maryland enrollment
  • 135 clinicians in this Medicare group
Anesthesiology
7120 MINSTREL WAY, STE 100
Columbia, MD 21045
  • Reassigned Medicare billing, District of Columbia and Maryland enrollments
  • 86 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 5

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
72 services72 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
55 services55 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
44 services44 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
31 services31 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
17 services17 patients

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.

New Patient
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability99
Improvement Activities40

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.

Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201
Physician Assistant (Medical)
22 S GREENE ST, G2K36
BALTIMORE, MD 21201
Pediatrics (Adolescent Medicine)
22 S GREENE ST
BALTIMORE, MD 21201
Nurse Practitioner (Acute Care)
22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201
Student in an Organized Health Care Education/Training Program
22 S GREENE ST, N3E09
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST
BALTIMORE, MD 21201
Internal Medicine
22 S GREENE ST, N3E09
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 Laura Zimmerman's NPI number?

The NPI number for Laura Zimmerman is 1447648332. It was assigned to this individual provider in the NPPES registry on December 31, 2014.

Where is Laura Zimmerman located?

Laura Zimmerman practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (252) 202-3747.

What is Laura Zimmerman's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Laura Zimmerman enrolled in Medicare?

Yes. Laura Zimmerman 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 Laura Zimmerman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laura Zimmerman reassigns Medicare benefits to 6 organizations: University Of Maryland Medical System Corporation (Baltimore, MD), Shock Trauma Associates, P.A. (Baltimore, MD), University Of Maryland Anesthesiology Associates P.A. (Baltimore, MD), Digestive Disease Associates, LLC (Baltimore, MD), Lifebridge Anesthesia Associates, LLC (Randallstown, MD) and 1 more organization, 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 Laura Zimmerman'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 Laura Zimmerman was last updated on October 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.