Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1255373635 Individual Practitioner Male Practitioner

Dr. Alan Wade Keister , MD

Internal Medicine • Amarillo, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Alan Keister, MD is a certified Internal Medicine practicing in Amarillo, TX. With approximately 30 years of clinical experience since graduating from University Of Texas Southwestern Medical School At Dallas in 1996, Dr. Keister delivers high-quality medical care to the local community at 9092 WESTGATE PKWY W.

Dr. Keister is affiliated with Amarillo Medical Specialists,Llp and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, insertion of needle into vein for collection of blood sample, blood test, comprehensive group of blood chemicals. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

9092 Westgate Pkwy W

Amarillo, TX 791242441

Telephone 8063559741
Fax 8063560045
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

University Of Texas Southwestern Medical School At Dallas

Graduation Year

1996

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Amarillo, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
30 Yrs +6.4 yrs vs City Avg
City Avg: 23.6 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
88 Specialists

Practicing in Amarillo, TX (9538 Statewide)

Telehealth Adoption Rate
18.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
24.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Keister (30 Years) 30 Yrs
Amarillo Specialty Average (23.6 Years) 23.6 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)
Reporting Year:
HCPCS Code & Description Services Patients Submitted Charge Medicare Allowed
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's
3,178 961 $23.07 $15.69
36415 Insertion of needle into vein for collection of blood sample
2,016 968 $9.26 $8.63
80053 Blood test, comprehensive group of blood chemicals
1,969 967 $14.17 $10.33
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
1,939 228 $63.10 $59.83
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
1,845 959 $11.07 $7.59
99213 Established patient office or other outpatient visit, typically 15 minutes
1,649 649 $94.11 $86.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
1,570 854 $138.08 $121.74
81001 Manual urinalysis test with examination using microscope, automated
1,290 827 $4.73 $3.11
80061 Blood test, lipids (cholesterol and triglycerides)
1,236 862 $19.65 $13.09
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg
1,213 236 $25.00 $0.97
84443 Blood test, thyroid stimulating hormone (TSH)
1,062 813 $24.12 $16.43
83721 Ldl cholesterol level
1,028 756 $13.43 $10.27
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
728 728 $115.38 $111.75
83036 Hemoglobin A1C level
652 354 $13.93 $9.48
J0696 Injection, ceftriaxone sodium, per 250 mg
596 102 $25.00 $0.45
82306 Vitamin d-3 level
524 497 $37.88 $29.01
82607 Cyanocobalamin (vitamin B-12) level
396 368 $22.34 $14.78
G0008 Administration of influenza virus vaccine
392 373 $25.00 $24.50
84439 Thyroxine (thyroid chemical), free
375 256 $13.41 $8.82
90673 Influenza vaccine, trivalent derived from recombinant dna
347 346 $120.00 $81.82
82550 Creatine kinase (cardiac enzyme) level, total
302 286 $17.96 $6.38
G0103 Prostate cancer screening; prostate specific antigen test (psa)
250 250 $68.95 $18.92
82570 Creatinine level to test for kidney function or muscle injury
214 165 $7.20 $5.06
82043 Urine microalbumin (protein) level
212 165 $7.82 $5.64
G0009 Administration of pneumococcal vaccine
212 210 $30.00 $29.40
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
196 194 $450.00 $288.20
87631 Detection test for multiple types of respiratory virus
185 145 $152.38 $138.48
71046 X-ray of chest, 2 views
173 152 $27.82 $21.28
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month
172 127 $49.13 $45.65
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
160 37 $16.43 $13.59
80048 Blood test, basic group of blood chemicals (calcium, total)
124 105 $11.87 $8.23
93000 Routine ekg using at least 12 leads including interpretation and report
108 100 $17.31 $13.38
87651 Detection test for Strep (Streptococcus, group A)
82 74 $48.37 $34.09
J1885 Injection, ketorolac tromethamine, per 15 mg
77 26 $16.17 $0.68
72100 X-ray of lower and sacral spine, 2-3 views
72 70 $33.46 $26.91
84550 Uric acid level, blood
70 61 $6.33 $4.43
77080 Dxa bone density measurement of hip, pelvis, spine
65 65 $41.02 $36.30
69209 Removal of impacted ear wax by washing
65 59 $18.65 $14.11
86141 Measurement c-reactive protein for detection of infection or inflammation, high sensitivity
62 58 $18.82 $12.69
84403 Testosterone (hormone) level, total
59 42 $36.06 $25.29
83880 Natriuretic peptide (heart and blood vessel protein) level
57 48 $89.00 $37.98
82728 Ferritin (blood protein) level
48 46 $53.00 $13.36
83970 Parathormone (parathyroid hormone) level
44 35 $150.00 $40.45
99496 Transitional care management services for problem of high complexity
43 41 $245.12 $231.84
83540 Iron level
43 41 $28.00 $6.34
73560 X-ray of knee, 1-2 views
43 31 $26.20 $24.47
84153 Psa (prostate specific antigen) measurement, total
41 37 $24.11 $18.02
73502 X-ray of hip, 2-3 views
41 41 $36.68 $34.32
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
41 41 $165.99 $157.81
80076 Liver function blood test panel
41 41 $16.79 $7.85
73030 X-ray of shoulder, minimum of 2 views
35 28 $26.00 $24.09
83735 Magnesium level
35 33 $20.00 $6.23
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and
33 31 $59.05 $50.95
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers
33 31 $99.42 $91.19
84481 Thyroid hormone, t3 measurement, free
33 30 $25.73 $16.60
85652 Red blood cell sedimentation rate, to detect inflammation, automated
32 28 $4.39 $2.65
72040 X-ray of upper spine, 2-3 views
30 29 $30.20 $26.86
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
26 26 $145.19 $114.88
G0179 Physician re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians to affirm the initial imp
25 21 $42.87 $39.40
92250 Photography of the retina
25 14 $25.34 $18.64
73620 X-ray of foot, 2 views
25 25 $18.20 $17.94
90662 Influenza vaccine split virus, preservative free
24 24 $72.50 $65.88
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
24 24 $168.23 $157.07
93245 Heart rhythm recording, analysis, interpretation and report of continous external ekg over more than 1 week up to 1 weeks
23 23 $334.78 $240.53
82248 Bilirubin level, direct
22 22 $6.83 $4.92
99495 Transitional care management services for problem of at least moderate complexity
22 21 $187.50 $182.58
76705 Limited ultrasound scan of abdomen
21 21 $62.00 $55.31
76536 Ultrasound of head and neck
20 18 $90.82 $80.46
83550 Iron binding capacity
19 19 $15.16 $8.57
73120 X-ray of hand, 2 views
19 15 $26.68 $21.97
72170 X-ray of pelvis, 1-2 views
17 16 $24.00 $18.19
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
16 16 $175.00 $130.80
93922 Ultrasound study of arm and leg arteries
16 16 $78.53 $48.91
93880 Ultrasound of both sides of head and neck blood flow
15 15 $154.05 $139.39
G0444 Annual depression screening, 5 to 15 minutes
13 13 $17.68 $17.33
76882 Limited ultrasound scan of joint or other extremity structure except blood vessels
13 13 $57.91 $30.84
93925 Ultrasound of leg arteries or artery grafts
12 12 $228.98 $187.40
82533 Cortisol (hormone) measurement
12 12 $65.00 $15.97
95800 Sleep study including heart rate, breathing, and sleep time
11 11 $149.80 $127.99

Medical Specialties & State Licenses

CMS Verified: 2025-09-25
Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX K9315

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID
038789602 (TX)
Commercial Insurance / Payer ID State License
K9315 (TX)
Commercial Insurance / Payer ID Bcbs
0055MB (TX)
Commercial Insurance / Payer ID First Care
116563101 (TX)

Hospital & Practice Group Affiliations

Amarillo Medical Specialists,llp

1900 Coulter Dr, Amarillo, TX 791061753

Phone: 8063588331

Amarillo Medical Specialists,llp

9092 Westgate Pkwy W, Amarillo, TX 791242441

Phone: 8063588331

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Fatima Mendoza , NP

Nurse Practitioner - Family

NPI 1033387329

Nurse Practitioner

Michelle Richards , APRN, FNP-C

Nurse Practitioner - Family

NPI 1033865597

Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Alexis Phetsavanh , FNP-C

Nurse Practitioner - Family

NPI 1033962436

Family Nurse Practitioner (Certified)

Lindsey Mccrary , MSN, APRN, NP-C

Nurse Practitioner - Family

NPI 1043834567

Master of Science in Nursing, Advanced Practice Registered Nurse, Nurse Practitioner (Certified)

Dr. Nam Do , MD

Internal Medicine

NPI 1063456572

Doctor of Medicine (M.D.)

Lindsey Larned , APRN, FNP-C

Nurse Practitioner - Family

NPI 1063863199

Advanced Practice Registered Nurse, Family Nurse Practitioner (Certified)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
📍
Updated Practice Location September 25, 2025

Registered at 9092 WESTGATE PKWY W, AMARILLO, TX 791242441 (Tel: 8063559741)

📍
Updated Business Mailing Address September 25, 2025

Registered at 9092 WESTGATE PKWY W, AMARILLO, TX 791242441 (Tel: 8063559741)

NPI Profile Active February 05, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location February 05, 2013

Registered at 1215 S COULTER ST, SUITE #301, AMARILLO, TX 791061758 (Tel: 8063559741)

📍
Updated Business Mailing Address February 05, 2013

Registered at 1215 S COULTER ST, SUITE #301, AMARILLO, TX 791061758 (Tel: 8063559741)

👤
Provider Name / Credentials Updated February 05, 2013

Recorded as ALAN KEISTER, M.D.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) February 05, 2013

Internal Medicine (License #K9315 in TX)

🟢
Initial NPI Registration & Enumeration June 12, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1255373635
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 12, 2006
Last Update: September 25, 2025
Sole Proprietor: No

Mailing Address

9092 Westgate Pkwy W

Amarillo, TX 791242441

Phone: 8063559741

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.