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MARIA ROSS CRNA
NPI 1033399449
Nurse Anesthetist, Certified Registered in Providence, RI

Active since November 14, 2007PECOS EnrolledAccepts Medicare Assignment
164 SUMMIT AVE, PROVIDENCE, RI 02906(401) 793-4574 Get Directions Write a Review

NPPES record last updated: April 26, 2019. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Maria Ross Crna NPPES

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

MARIA ROSS CRNA (NPI 1033399449) is an individual nurse anesthetist, certified registered in Providence, Rhode Island, licensed in Rhode Island (APRN01121) and active in the NPI registry since November 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Providence, and is a graduate of Other (2007).

NPPES Registry Identity

NPI1033399449
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMARIA ROSSCredential: CRNA
Location Address164 SUMMIT AVEProvidence, RI 02906-2853
Mailing Address690 Canton St, Suite 325Westwood, MA 02090-2321 · (781) 407-7713 · Fax (781) 407-0998
Phone(401) 793-4574
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateNovember 14, 2007
Last NPPES UpdateApril 26, 2019
✔ NPI 1033399449 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
Licenses✔ Licensed in RI · APRN01121✔ Licensed in MA · 262403
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.
164 SUMMIT AVE, Providence, RI 02906
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Secondary Practice Location 1

Location 133 Staniford StProvidence, RI 02905-3105 · Phone (401) 421-8800 · Fax (401) 421-2492

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include WellSense Health Plan.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

Maria Ross 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 ID2668559014
PECOS Enrollment IDI20080409000348, I20090107000610
Eligible to Order & Refer✔ Part B Labs & Imaging– Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Maria Ross reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Gastroenterology, LLC
3.1 mi
Gastroenterology
33 STANIFORD ST
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 141 clinicians in this Medicare group
NPI 1386952612 (401) 421-8800
Anesthesia Partners Of New England, LLC
4.7 mi
Nurse Anesthetist, Certified Registered
62 AMARAL ST, EAST PROVIDENCE
Ri, RI 02915
  • Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
  • 39 clinicians in this Medicare group
NPI 1326672312 (401) 649-4030
Narragansett Bay Anesthesia, LLC
11 mi
Anesthesiology
455 TOLL GATE RD
Warwick, RI 02886
  • Reassigned Medicare billing, Massachusetts and Rhode Island enrollments
  • 80 clinicians in this Medicare group
NPI 1861445728 (781) 915-0214
Steward Medical Group, Inc
16 mi
Anesthesiology
795 MIDDLE ST
Fall River, MA 02721
  • Reassigned Medicare billing, Massachusetts enrollment
  • 347 clinicians in this Medicare group
NPI 1043711914 (508) 674-5600
Anesthesia Professionals, Inc.
26 mi
Nurse Anesthetist, Certified Registered
78 FAUNCE CORNER RD UNIT 560
Dartmouth, MA 02747
  • Reassigned Medicare billing, Rhode Island enrollment
  • 32 clinicians in this Medicare group
NPI 1659346443 (888) 209-0305

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 2

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 lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
294 services270 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
21 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02906 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
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.

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.

MRS. HALINA KUC-MAZGAJ
Nurse Practitioner (Family)
164 SUMMIT AVE, THE MIRIAM HOSPITAL
PROVIDENCE, RI 02906
Providence County (401) 793-3902
KARL HERMAN M.D.
Internal Medicine
164 SUMMIT AVE, FAIN BLDG.
PROVIDENCE, RI 02906
Providence County (401) 793-4489
MUHAMMAD BAIG M.D.
Internal Medicine (Cardiovascular Disease)
164 SUMMIT AVE, FAIN BLDG
PROVIDENCE, RI 02906
Providence County (401) 793-4489
MS. LEANNE LAPARLE LICSW
Social Worker (Clinical)
164 SUMMIT AVE
PROVIDENCE, RI 02906
Providence County (401) 793-2069
THOMAS FAIRWEATHER CRAIN MD
Internal Medicine (Cardiovascular Disease)
164 SUMMIT AVE
PROVIDENCE, RI 02906
Providence County (401) 793-4630
JAMES ATKINSON MD
Internal Medicine
164 SUMMIT AVE
PROVIDENCE, RI 02906
Providence County (401) 793-4500
DR. ORIANE DIANA LONGERSTAEY MD
Emergency Medicine
164 SUMMIT AVE
PROVIDENCE, RI 02906
Providence County (704) 355-3181
JEFFREY M BUROCK MD
Psychiatry & Neurology (Psychiatry)
164 SUMMIT AVE
PROVIDENCE, RI 02906
Providence County (401) 793-4500

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 Maria Ross's NPI number?

The NPI number for Maria Ross is 1033399449. It was assigned to this individual provider in the NPPES registry on November 14, 2007.

Where is Maria Ross located?

Maria Ross practices at 164 Summit Ave, Providence, RI 02906. The listed phone number is (401) 793-4574.

What is Maria Ross's specialty?

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

Is Maria Ross enrolled in Medicare?

Yes. Maria Ross 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 Maria Ross's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Ross reassigns Medicare benefits to 5 organizations: University Gastroenterology, LLC (Providence, RI), Anesthesia Partners Of New England, LLC (Ri, RI), Narragansett Bay Anesthesia, LLC (Warwick, RI), Steward Medical Group, Inc (Fall River, MA) and Anesthesia Professionals, Inc. (Dartmouth, MA). 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 Maria Ross's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Maria Ross accept?

Health plans from WellSense Health Plan list Maria Ross 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 Maria Ross was last updated on April 26, 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.