Alan D. Grindstaff, MD
Anatomic Pathology & Clinical Pathology Physician · Knoxville, TN
Alan D. Grindstaff, MD is an anatomic pathology & clinical pathology physician with a practice address in Knoxville, Tennessee, and NPI 1801856935, issued on Mar 24, 2006. Check the license (Tennessee 32133, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alan D. Grindstaff
- Credential
- MD
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 32133 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1924 Alcoa Highway, Knoxville, TN 37920
- Phone
- (865) 305-8994
- Enumerated
- Mar 24, 2006
- Record last updated
- Feb 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (865) 305-6866
- Medicaid ID
- 3852136 TN
- Medicare enrollment
- Enrolled (PECOS I20101101001225); accepts Medicare assignment
- Medical or professional school
- East Tennessee State University Quillen College Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 475 in Tennessee → Look up another NPI →
Also registered at 1924 Alcoa Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christian Bolton, MDStudent in an Organized Health Care Education/Training Program1578258174
- Izabela Burja, MDAnatomic Pathology & Clinical Pathology Physician1215996194
- Katherine CochraneStudent in an Organized Health Care Education/Training Program1881116242
- Sandra Elkins, MDAnatomic Pathology & Clinical Pathology Physician1417916396
- Matthew Frederick, D.O.Emergency Medicine Physician1144404526
- Michael Hemmert, CRNACertified Registered Nurse Anesthetist1285878819
Verify Alan D. Grindstaff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 32133Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- University Pathologists, P.C.Knoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan D. Grindstaff among 475 anatomic pathology & clinical pathology physician records in Tennessee
Alan D. Grindstaff, MD is one of 475 anatomic pathology & clinical pathology physician records with a practice address in Tennessee. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 47% newer
- In a Medicare fileYes · 63% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated1994 · median 2004 among the 259 with a school on file
- Record last updated2010 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Tennessee
There are 475 anatomic pathology & clinical pathology physician records in Tennessee.
All 475 in Tennessee → Every provider in Knoxville → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Leon Baltrucki, MDKnoxville, TN 379201235183625
- Izabela Burja, MDKnoxville, TN 379201215996194
- Christopher Clark, M.D.Knoxville, TN 379201801976105
- Sandra Elkins, MDKnoxville, TN 379201417916396
- Elizabeth Hubbard, MDKnoxville, TN 379201225097686
- Darinka Mileusnic, MD PHDKnoxville, TN 379201528035037
- John Neff, MDKnoxville, TN 379201497714372
- Laurentia Nodit, MDKnoxville, TN 379201952360448
Common questions
What is Alan D. Grindstaff, MD's NPI number?
Alan D. Grindstaff, MD's National Provider Identifier (NPI) is 1801856935, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alan D. Grindstaff, MD located?
The NPPES record lists a practice address at 1924 Alcoa Highway, Knoxville, TN, 37920. Phone: (865) 305-8994. Providers update this record themselves, so call before visiting.
How can I verify Alan D. Grindstaff, MD's license?
NPPES lists Tennessee license number 32133, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.