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GREY MARIA DICKINSON CRNA
NPI 1801577374
Nurse Anesthetist, Certified Registered in York, PA

Active since July 27, 2023Accepts Medicare Assignment
1001 S GEORGE ST, YORK, PA 17403(717) 812-7687(717) 851-5250 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 11, 2025, Apr 2, 2025, Jun 5, 2024 and 1 more (4 updates tracked since 2023).

About Grey Maria Dickinson Crna NPPES

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

GREY MARIA DICKINSON CRNA (NPI 1801577374) is an individual nurse anesthetist, certified registered in York, Pennsylvania, licensed in Pennsylvania (RN743000) and active in the NPI registry since July 2023. She is affiliated with Wellspan York Hospital, maintains 12 additional practice locations, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1801577374
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameGREY MARIA DICKINSONCredential: CRNA
Location Address1001 S GEORGE STYork, PA 17403-3676
Mailing Address601 Memory LnYork, PA 17402-2231 · (717) 851-1405
Phone(717) 812-7687
Fax(717) 851-5250
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateJuly 27, 2023
Last NPPES UpdateDecember 11, 20254 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
✔ NPI 1801577374 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in PA · RN743000
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.
Also ListedRegistered NurseTaxonomy 163W00000X · License RN743000 (PA)
1001 S GEORGE ST, York, PA 17403
Open in Google Maps ↗

Other Names 1

Former Name (1)Grey Maria Obregon Crna

Secondary Practice Locations 12

Location 1252 S 4th StLebanon, PA 17042-6111 · Phone (717) 270-7500 · Fax (717) 228-1642
Location 2501 E Main StWaynesboro, PA 17268-2353 · Phone (717) 765-3425 · Fax (717) 765-3478
Location 3147 Gettys StGettysburg, PA 17325-2534 · Phone (717) 337-4168 · Fax (717) 337-4318
Location 425 Monument Rd Ste 270York, PA 17403-5073 · Phone (717) 741-8250 · Fax (717) 741-8289
Location 512 St Paul Dr Ste 100Chambersburg, PA 17201-1035 · Phone (717) 217-6072 · Fax (717) 217-6952
Location 6169 Martin AveEphrata, PA 17522-1734 · Phone (717) 733-0311 · Fax (717) 721-5861
Location 7112 N 7th StChambersburg, PA 17201-1720 · Phone (717) 267-7164 · Fax (717) 267-7414
Location 8236 West StGettysburg, PA 17325-2509 · Phone (717) 338-4500
Location 91227 Baltimore StHanover, PA 17331-4406 · Phone (717) 217-6072
Location 10835 5th AveChambersburg, PA 17201-4220 · Phone (717) 217-4312
Location 114150 Barrett BlvdEphrata, PA 17522-8979 · Phone (717) 859-5160
Location 1255 Monument RdYork, PA 17403-5023 · Phone (717) 812-6425

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

Grey Maria Dickinson 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 ID4981146586
PECOS Enrollment IDI20240611002833

Medicare Billing Reassignments

2

Medicare enrollment records show Grey Dickinson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellspan Medical Group
Same address
Pediatrics
1001 S GEORGE ST
York, PA 17403
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 3,080 clinicians in this Medicare group
NPI 1124104245 (717) 851-3884
The Gettysburg Hospital
29 mi
Emergency Medicine
147 GETTYS ST
Gettysburg, PA 17325
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 156 clinicians in this Medicare group
NPI 1366472706 (717) 337-4168

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellspan York Hospital

Acute Care Hospitals · York, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390046
Location1001 South George StreetYork, PA 17403 · York County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17403 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
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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. KAREN SMAY FRY CCC-SLP
Speech-Language Pathologist
1001 S GEORGE ST
YORK, PA 17403
York County (717) 851-2601
MRS. ANURADHA SHARMA CRNP
Nurse Practitioner (Adult Health)
1001 S GEORGE ST, 3RD FLOOR
YORK, PA 17403
York County (717) 851-4005
DR. SAHIL JAIN M.D.
Family Medicine
1001 S GEORGE ST, YORK HOSPITAL
YORK, PA 17403
York County (717) 851-2521
ADRIENNE CHAKOT CRNA
Nurse Anesthetist, Certified Registered
1001 S GEORGE ST
YORK, PA 17403
York County (717) 812-7687
BRIAN DAVID HOLSINGER MD
Emergency Medicine
1001 S GEORGE ST
YORK, PA 17403
York County (717) 851-2311
NICOLE S BENZING PAC
Physician Assistant (Medical)
1001 S GEORGE ST
YORK, PA 17403
York County (717) 851-2465
JACOB RUSSELL MCKENZIE MD
Emergency Medicine
1001 S GEORGE ST
YORK, PA 17403
York County (717) 851-2311
MUSTAFA TAHIR MD
Internal Medicine
1001 S GEORGE ST
YORK, PA 17403
York County (717) 741-8003

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 Grey Dickinson's NPI number?

The NPI number for Grey Dickinson is 1801577374. It was assigned to this individual provider in the NPPES registry on July 27, 2023. The provider is also known as Grey Maria Obregon Crna.

Where is Grey Dickinson located?

Grey Dickinson practices at 1001 S George St, York, PA 17403. The listed phone number is (717) 812-7687.

What is Grey Dickinson's specialty?

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

Is Grey Dickinson enrolled in Medicare?

Yes. Grey Dickinson 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 Grey Dickinson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Grey Dickinson reassigns Medicare benefits to 2 organizations: Wellspan Medical Group (York, PA) and The Gettysburg Hospital (Gettysburg, PA). 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 Grey Dickinson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Grey Dickinson affiliated with any hospitals?

According to CMS data, Grey Dickinson is affiliated with Wellspan York Hospital.

When was this NPI record last updated?

The NPPES record for Grey Dickinson was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.