Dr. Randall S Williams , MD
General Practice • Chico, CA
Professional Overview & Biography Verified Profile Summary
Dr. Randall Williams, MD is a certified General Practice practicing in Chico, CA. With approximately 40 years of clinical experience since graduating from Loma Linda University School Of Medicine in 1986, Dr. Williams delivers high-quality medical care to the local community at 1040 MANGROVE AVE.
Dr. Williams is affiliated with Mangrove Medical Group and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Frequently performed procedures and clinical services include injection, romosozumab-aqqg, 1 mg, injection, denosumab, 1 mg, injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
1040 Mangrove Ave
Chico, CA 959263509
Medicare Profile & Education
Loma Linda University School Of Medicine
1986
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for General Practice in Chico, CA
Practicing in Chico, CA (2300 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
J3111
Injection, romosozumab-aqqg, 1 mg
|
22,051 | 23 | $15.89 | $10.89 |
|
J0897
Injection, denosumab, 1 mg
|
12,480 | 122 | $31.29 | $25.52 |
|
J3304
Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg
|
5,792 | 75 | $42.60 | $17.36 |
|
J1010
Injection, methylprednisolone acetate, 1 mg
|
4,480 | 52 | $0.34 | $0.13 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
3,721 | 1,285 | $161.24 | $91.39 |
|
36415
Insertion of needle into vein for collection of blood sample
|
2,026 | 1,098 | $17.39 | $8.59 |
|
83036
Hemoglobin A1C level
|
1,274 | 969 | $23.50 | $9.43 |
|
85025
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
|
1,212 | 986 | $29.20 | $7.60 |
|
80053
Blood test, comprehensive group of blood chemicals
|
1,189 | 985 | $44.94 | $10.33 |
|
80061
Blood test, lipids (cholesterol and triglycerides)
|
1,134 | 985 | $40.92 | $12.98 |
|
84443
Blood test, thyroid stimulating hormone (TSH)
|
1,007 | 930 | $74.28 | $16.43 |
|
82607
Cyanocobalamin (vitamin B-12) level
|
960 | 935 | $81.12 | $14.72 |
|
82306
Vitamin d-3 level
|
960 | 922 | $72.37 | $28.76 |
|
82746
Folic acid level
|
932 | 920 | $81.16 | $14.38 |
|
J2250
Injection, midazolam hydrochloride, per 1 mg
|
863 | 142 | $1.43 | $0.13 |
|
86141
Measurement c-reactive protein for detection of infection or inflammation, high sensitivity
|
850 | 839 | $51.85 | $12.66 |
|
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
|
813 | 813 | $218.94 | $131.63 |
|
81001
Manual urinalysis test with examination using microscope, automated
|
641 | 520 | $15.72 | $3.11 |
|
G0328
Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous
|
501 | 501 | $29.48 | $17.69 |
|
81003
Automated urinalysis test
|
499 | 476 | $11.78 | $2.20 |
|
84403
Testosterone (hormone) level, total
|
481 | 465 | $53.78 | $25.17 |
|
84270
Sex hormone binding globulin (protein) level
|
472 | 463 | $27.53 | $21.22 |
|
G0008
Administration of influenza virus vaccine
|
459 | 449 | $49.23 | $32.84 |
|
90662
Influenza vaccine split virus, preservative free
|
450 | 440 | $138.34 | $79.88 |
|
96372
Injection beneath the skin or into muscle for therapy, diagnosis, or prevention
|
433 | 226 | $50.08 | $14.70 |
|
84153
Psa (prostate specific antigen) measurement, total
|
324 | 274 | $85.95 | $17.65 |
|
84439
Thyroxine (thyroid chemical), free
|
302 | 267 | $44.90 | $8.76 |
|
77085
Bone density measurement using dedicated x-ray machine
|
287 | 286 | $203.17 | $55.06 |
|
J3301
Injection, triamcinolone acetonide, not otherwise specified, 10 mg
|
278 | 52 | $3.68 | $0.96 |
|
90480
Admn sarscov2 vacc 1 dose
|
267 | 261 | $49.14 | $42.66 |
|
91322
Sarscov2 vac 50 mcg/0.5ml im
|
266 | 260 | $274.51 | $154.11 |
|
77089
Calculation of trabecular bone score (tbs) using imaging data with interpretation and report on fracture risk
|
240 | 239 | $47.35 | $42.03 |
|
G0103
Prostate cancer screening; prostate specific antigen test (psa)
|
217 | 217 | $86.08 | $18.92 |
|
84481
Thyroid hormone, t3 measurement, free
|
210 | 181 | $34.21 | $16.52 |
|
20610
Aspiration and/or injection of fluid from large joint
|
181 | 103 | $129.08 | $74.73 |
|
G0500
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito
|
154 | 144 | $85.32 | $59.14 |
|
84154
Psa (prostate specific antigen) measurement, free
|
154 | 125 | $23.43 | $17.80 |
|
J3010
Injection, fentanyl citrate, 0.1 mg
|
150 | 141 | $9.68 | $0.88 |
|
J1885
Injection, ketorolac tromethamine, per 15 mg
|
136 | 25 | $9.69 | $0.72 |
|
80305
Testing for presence of drug, read by direct observation
|
135 | 69 | $45.26 | $11.80 |
|
80048
Blood test, basic group of blood chemicals (calcium, total)
|
135 | 110 | $33.73 | $8.17 |
|
J0696
Injection, ceftriaxone sodium, per 250 mg
|
133 | 28 | $3.83 | $0.45 |
|
86140
Measurement C-reactive protein for detection of infection or inflammation
|
123 | 108 | $45.57 | $5.08 |
|
82040
Albumin (protein) level
|
107 | 84 | $17.38 | $4.85 |
|
82310
Calcium level, total
|
107 | 85 | $17.35 | $5.06 |
|
69209
Removal of impacted ear wax by washing
|
83 | 73 | $51.46 | $24.52 |
|
45380
Biopsy of large bowel using an endoscope
|
80 | 79 | $795.74 | $403.12 |
|
G0009
Administration of pneumococcal vaccine
|
72 | 70 | $34.43 | $32.06 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
70 | 68 | $226.27 | $128.48 |
|
80076
Liver function blood test panel
|
66 | 57 | $28.64 | $7.77 |
|
83735
Magnesium level
|
63 | 55 | $15.70 | $6.57 |
|
82728
Ferritin (blood protein) level
|
62 | 49 | $70.08 | $13.36 |
|
99497
Advance care planning, first 30 minutes
|
56 | 56 | $113.72 | $81.95 |
|
90732
Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
|
54 | 54 | $172.90 | $121.11 |
|
84100
Phosphate level
|
49 | 33 | $20.22 | $4.65 |
|
83540
Iron level
|
48 | 37 | $21.50 | $6.34 |
|
83550
Iron binding capacity
|
48 | 37 | $21.50 | $8.57 |
|
72110
X-ray of lower and sacral spine, minimum of 4 views
|
45 | 45 | $105.33 | $53.86 |
|
93000
Routine ekg using at least 12 leads including interpretation and report
|
45 | 43 | $56.60 | $14.41 |
|
87635
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen
|
45 | 42 | $70.53 | $50.28 |
|
87634
Detection test by nucleic acid for respiratory syncytial virus, amplified probe technique
|
45 | 42 | $95.80 | $68.80 |
|
87502
Detection test by nucleic acid for multiple types influenza virus
|
45 | 42 | $128.04 | $93.88 |
|
71046
X-ray of chest, 2 views
|
44 | 43 | $71.70 | $35.22 |
|
83721
Ldl cholesterol level
|
44 | 40 | $23.50 | $10.29 |
|
17000
Destruction of skin growth
|
41 | 39 | $197.11 | $66.18 |
|
82274
Stool analysis for blood, by fecal hemoglobin determination by immunoassay
|
40 | 40 | $29.18 | $15.25 |
|
84550
Uric acid level, blood
|
38 | 33 | $20.42 | $4.43 |
|
99496
Transitional care management services for problem of high complexity
|
34 | 33 | $373.85 | $286.32 |
|
G0402
Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment
|
33 | 33 | $312.35 | $167.25 |
|
82172
Apolipoprotein level
|
31 | 29 | $27.13 | $20.67 |
|
17003
Destruction of precancer skin growth, 2-14 growths
|
31 | 16 | $29.85 | $7.06 |
|
73562
X-ray of knee, 3 views
|
31 | 28 | $66.32 | $43.20 |
|
83695
Lipoprotein (a) level
|
30 | 28 | $19.47 | $14.03 |
|
83698
Lipoprotein-associated phospholipase a2 (enzyme) level
|
30 | 28 | $58.67 | $45.38 |
|
G0105
Colorectal cancer screening; colonoscopy on individual at high risk
|
29 | 29 | $610.52 | $340.36 |
|
99153
Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes
|
28 | 28 | $18.32 | $12.17 |
|
43239
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope
|
27 | 25 | $647.42 | $373.83 |
|
J1040
Injection, methylprednisolone acetate, 80 mg
|
27 | 26 | $26.50 | $9.38 |
|
83970
Parathormone (parathyroid hormone) level
|
26 | 21 | $52.12 | $40.45 |
|
82570
Creatinine level to test for kidney function or muscle injury
|
24 | 19 | $17.00 | $5.08 |
|
82044
Urine microalbumin (protein) analysis
|
24 | 18 | $16.92 | $6.11 |
|
90671
Pneumococcal conjugate vaccine, 15 valent (pcv15), for intramuscular use
|
22 | 22 | $443.65 | $237.19 |
|
10060
Simple or single drainage of skin abscess
|
22 | 18 | $353.94 | $131.63 |
|
87493
Detection test for clostridium difficile
|
22 | 21 | $51.64 | $36.52 |
|
73030
X-ray of shoulder, minimum of 2 views
|
22 | 21 | $61.27 | $36.79 |
|
83090
Homocysteine (amino acid) level
|
20 | 20 | $29.70 | $17.56 |
|
84484
Troponin (protein) analysis, quantitative
|
20 | 20 | $33.80 | $12.22 |
|
82553
Creatine kinase (cardiac enzyme) level, mb fraction only
|
19 | 19 | $33.74 | $11.32 |
|
80069
Kidney function blood test panel
|
19 | 12 | $44.74 | $8.51 |
|
73502
X-ray of hip, 2-3 views
|
18 | 18 | $79.44 | $48.14 |
|
72050
X-ray of upper spine, 4 or 5 views
|
17 | 17 | $88.71 | $56.64 |
|
82248
Bilirubin level, direct
|
17 | 17 | $17.29 | $4.92 |
|
90673
Influenza vaccine, trivalent derived from recombinant dna
|
17 | 17 | $140.00 | $77.01 |
|
76700
Ultrasound of abdomen
|
16 | 16 | $232.81 | $121.81 |
|
85007
Microscopic examination for white blood cells with manual cell count
|
15 | 14 | $6.51 | $3.72 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
15 | 15 | $198.95 | $113.25 |
|
99495
Transitional care management services for problem of at least moderate complexity
|
14 | 14 | $264.35 | $211.74 |
|
76536
Ultrasound of head and neck
|
14 | 13 | $228.43 | $116.08 |
|
73130
X-ray of hand, minimum of 3 views
|
14 | 11 | $60.14 | $39.31 |
|
82150
Amylase (enzyme) level
|
14 | 13 | $23.43 | $6.35 |
|
83690
Lipase (fat enzyme) level
|
14 | 13 | $13.43 | $6.75 |
|
85027
Complete blood cell count (red cells, white blood cell, platelets), automated test
|
13 | 12 | $17.32 | $6.34 |
|
86580
Skin test for tuberculosis
|
13 | 13 | $17.92 | $10.92 |
|
73630
X-ray of foot, minimum of 3 views
|
12 | 11 | $56.75 | $36.13 |
|
G0121
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk
|
12 | 12 | $618.47 | $303.13 |
|
76770
Complete ultrasound scan behind abdominal cavity
|
11 | 11 | $189.09 | $113.56 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Additional State Medicaid & Healthcare Payer Identifiers
Hospital & Practice Group Affiliations
Mangrove Medical Group
1040 Mangrove Ave, Chico, CA 959263509
Phone: 5303450064268
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner - Family
Family Nurse Practitioner (Board Certified)
General Practice
Doctor of Medicine (M.D.)
General Practice
Doctor of Osteopathic Medicine (D.O.)
Nurse Practitioner - Women's Health
Nurse Practitioner
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
General Practice
Doctor of Medicine (M.D.), INC
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 1040 MANGROVE AVE, CHICO, CA 959263509 (Tel: 5303450064)
Registered at 1040 MANGROVE AVE, CHICO, CA 959263509 (Tel: 5303450064)
Recorded as RANDALL WILLIAMS, MD
General Practice (License #G068885 in CA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1040 Mangrove Ave
Chico, CA 959263509
Phone: 5303450064
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.