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DONALD LYNN GRINER D.O.
NPI 1821091497
Family Medicine in Mesa, AZ

Active since May 27, 2005
3048 E BASELINE RD, STE 109, MESA, AZ 85204(480) 632-1117(480) 632-1118 Get Directions Write a Review

NPPES record last updated: February 27, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Donald Lynn Griner D.o. NPPES

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

DONALD LYNN GRINER D.O. (NPI 1821091497) is an individual family medicine provider in Mesa, Arizona, licensed in Arizona (2273) and active in the NPI registry since May 2005.

NPPES Registry Identity

NPI1821091497
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDONALD LYNN GRINERCredential: D.O.
Location Address3048 E BASELINE RD, STE 109Mesa, AZ 85204-7287
Mailing Address3048 E Baseline Rd, Ste 109Mesa, AZ 85204-7286 · (480) 632-1117 · Fax (480) 632-1118
Phone(480) 632-1117
Fax(480) 632-1118
Sole ProprietorNo
Enumeration DateMay 27, 2005
Last NPPES UpdateFebruary 27, 2015
✔ NPI 1821091497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in AZ · 2273
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
3048 E BASELINE RD, Mesa, AZ 85204
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Other Identifiers 5

OtherAZ0878700AZ · Blue Cross Blue Shield
Other621571AZ · Aetna
Medicare PINZ65458AZ
Other1Z1015AZ · Healthnet
Medicare UPINE82238AZ

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Donald Lynn Griner D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Donald Griner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Summit Medical Group Arizona LLC
29 mi
Family Medicine
5620 W THUNDERBIRD RD STE F1
Glendale, AZ 85306
  • Reassigned Medicare billing, Arizona enrollment
  • 251 clinicians in this Medicare group
NPI 1053810622 (844) 969-0686

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

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.

LUCAS CHRISTENSEN P.T.
Physical Therapist
3048 E BASELINE RD, SUITE 125
MESA, AZ 85204
Maricopa County (480) 222-0655
DR. JULIE ANN CAJOLET-ECKHARDT PSY.D.
Psychologist
3048 E BASELINE RD, SUITE 107
MESA, AZ 85204
Maricopa County (323) 475-8543
FAMILY CARE ASSOCIATES PC
Specialist
3048 E BASELINE RD, STE 122
MESA, AZ 85204
Maricopa County (480) 827-9945
ELISIA RILEY ESCANUELA
Behavior Technician
3048 E BASELINE RD
MESA, AZ 85204
Maricopa County (520) 231-7380
LIVING IN BALANCE COUNSELING, PLLC
Marriage & Family Therapist
3048 E BASELINE RD, SUITE 108
MESA, AZ 85204
Maricopa County (602) 692-6304
AMY SAFIER
Counselor (Professional)
3048 E BASELINE RD, SUITE 108
MESA, AZ 85204
Maricopa County (602) 312-1304
ROSEMARIE DRUMMOND
Behavior Technician
3048 E BASELINE RD
MESA, AZ 85204
Maricopa County (520) 231-7380
NATALIE CARREON
Behavior Technician
3048 E BASELINE RD
MESA, AZ 85204
Maricopa County (520) 231-7380

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 Donald Griner's NPI number?

The NPI number for Donald Griner is 1821091497. It was assigned to this individual provider in the NPPES registry on May 27, 2005.

Where is Donald Griner located?

Donald Griner practices at 3048 E Baseline Rd Ste 109, Mesa, AZ 85204. The listed phone number is (480) 632-1117.

What is Donald Griner's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Donald Griner enrolled in Medicare?

Yes. Donald Griner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Donald Griner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Donald Griner reassigns Medicare benefits to Summit Medical Group Arizona LLC (Glendale, AZ). The 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 Donald Griner'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 Donald Griner was last updated on February 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.