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- 1924 Alcoa Highway, The University of Tenn Medical Center Pathology Dept, Knoxville, TN 37920
About Dr. Grindstaff
Based in Knoxville, TN, Alan D. Grindstaff, MD is listed in the NPI registry under anatomic & clinical pathology. Alan graduated from East Tennessee State University Quillen College of Medicine in 1994. Medicare claims data shows Alan provided 978 services to 595 patients. The services billed most often include pathology examination of tissue using a microscope, intermediate complexity, special stained specimen slides to examine tissue, each additional procedure, and pathology examination of tissue using a microscope, moderately high complexity. NPI 1801856935 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (865) 305-8994
- Email not available
Practice Locations
1924 ALCOA HIGHWAY THE UNIVERSITY OF TENN MEDICAL CENTER PATHOLOGY DEPT
Knoxville, TN 37920
Conditions Evaluated or Diagnosed
Within Anatomic & Clinical Pathology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Autoimmune & Joint
Blood cancer
Blood chemistry
Blood Disorders
- Bleeding Disorders
- Blood Clotting Gene Mutation
- Hemochromatosis
- High White Blood Cell Count
- Iron-deficiency anemia
Blood disorders
Cancer & Tumors
- Breast Cancer Biopsy Findings
- Leukemia
- Lipoma
- Prostate Cancer Biopsy Results
- Suspicious Lung Spot
- Swollen Lymph Nodes
Cervical & Women's Health
Cervical Health
Digestive pathology
Digestive System
- Abnormal Liver Enzymes
- Celiac disease
- H. pylori infection
- Inflammatory bowel disease
- Precancerous Colon Polyps
Hormones
Hormones & Metabolism
Infections
Infectious disease
Kidney & Urinary
Liver pathology
Prostate
Skin
Skin pathology
Urine & kidney
Procedures & services
Biopsy & Tissue Testing
- Bone Marrow Biopsy Testing
- Colon Polyp Biopsy Examination
- Fine Needle Aspiration Biopsy
- Frozen Section During Surgery
- Skin Biopsy Lab Review
- Special Tissue Staining
- Thyroid Biopsy Examination
Blood chemistry
Cancer & Genetic Testing
- Chromosome And Genetic Testing
- Flow Cytometry Test
- Liquid Biopsy
- Tumor Biomarker Testing
- Tumor Marker Testing
Cancer screening
Cardiac testing
Cervical & Women's Health
Fertility testing
Hormone testing
Immunology
Infection & Microbiology Tests
- Blood Culture Test
- Colon cancer screening consult
- H. Pylori Breath Test
- STI and STD Screening
- Urine sediment test
Infectious disease
Inflammation testing
Pathology Consultations
Post-Mortem & Forensic
Routine blood testing
Routine Blood Tests
- Blood Clotting Test
- Cholesterol screening
- Hemoglobin A1c Test
- Kidney Function Blood Test
- Liver Function Blood Test
- Routine blood work
- Thyroid Blood Test
Specialty Lab Panels
Tissue biopsy
Toxicology
Transfusion testing
Urine testing
Procedures Most Often Billed to Medicare
978 services · 595 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
213 | Less often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
193 | As often as other peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
153 | More often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
101 | As often as other peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
64 | Less often than most peers in Anatomic & Clinical Pathology |
| Special stained specimen slides to examine tissue, each multiplex procedure | Lab test | 88344 |
59 | More often than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, high complexity | Lab test | 88309 |
47 | More than most peers in Anatomic & Clinical Pathology |
| Pathology examination of tissue using a microscope, moderately low complexity | Lab test | 88304 |
42 | As often as other peers in Anatomic & Clinical Pathology |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
31 | More often than most peers in Anatomic & Clinical Pathology |
| Surgical pathology, gross and microscopic examinations, for prostate needle biopsy, any method | Billing code | G0416 |
23 | As often as other peers in Anatomic & Clinical Pathology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anatomic & clinical pathology specialists at this location 5
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other anatomic & clinical pathology specialists in Knoxville 7
Same specialty, same city.
More connections — 14 related providers in 2 groups
Trained at East Tennessee State University Quillen College of Medicine 6
Other providers in the same specialty who trained at the same institution.
Class of 1994 at East Tennessee State University Quillen College of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Grindstaff specialize in?
Dr. Grindstaff is an anatomic & clinical pathology in Knoxville, TN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Grindstaff located?
Dr. Grindstaff is listed at 1924 Alcoa Highway the University of Tenn Medical Center Pathology Dept, Knoxville, TN 37920. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Grindstaff's phone number?
The number on file is (865) 305-8994. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Grindstaff?
Dr. Grindstaff's National Provider Identifier is 1801856935. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Grindstaff go to medical school?
Dr. Grindstaff attended East Tennessee State University Quillen College of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Grindstaff have?
Dr. Grindstaff has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Grindstaff do most often?
According to Medicare billing data, Dr. Grindstaff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Grindstaff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grindstaff. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.