Active NPI 1972511822 Individual Practitioner Male Practitioner

Dr. William P Dagiantis , MD

Internal Medicine • Aurora, IL

Professional Overview & Biography Verified Profile Summary

Dr. William Dagiantis, MD is a registered healthcare professional specializing in Internal Medicine in Aurora, IL. Practice services are available at 2285 SEQUOIA DR under active NPI credentials.

Frequently performed procedures and clinical services include insertion of needle into vein for collection of blood sample, established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2285 Sequoia Dr

Aurora, IL 605066209

Telephone 6308596700

Associated Practice Facility / Clinic

🏢 Dreyer Clinic, Inc. Facility NPI 1184718355

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Aurora, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 27.6 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

45 Specialists

Practicing in Aurora, IL (7544 Statewide)

Telehealth Adoption Rate

28.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	302	220	$22.00	$8.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	201	142	$366.00	$182.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	165	141	$259.00	$131.78
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	96	96	$316.00	$129.20
85610 Blood test, clotting time	23	15	$34.00	$4.20
93793 Anticoagulant management of patient taking warfarin	21	13	$26.00	$11.85
93000 Routine ekg using at least 12 leads including interpretation and report	19	18	$82.00	$15.20
G0009 Administration of pneumococcal vaccine	17	17	$41.00	$32.05
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$178.00	$94.42
99496 Transitional care management services for problem of high complexity	12	12	$679.00	$286.72
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$159.00	$130.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	408	238	$333.72	$185.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	277	192	$235.00	$134.34
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	246	246	$316.00	$134.67
36415 Insertion of needle into vein for collection of blood sample	108	97	$22.00	$2.81
G0008 Administration of influenza virus vaccine	72	72	$41.00	$31.09
90662 Influenza vaccine split virus, preservative free	71	71	$73.00	$68.45
93000 Routine ekg using at least 12 leads including interpretation and report	63	59	$82.00	$14.72
G0009 Administration of pneumococcal vaccine	30	30	$41.00	$31.33
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	17	14	$168.00	$55.85
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$163.00	$131.78
90670 Pneumococcal vaccine for injection into muscle	14	14	$318.00	$249.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	349	222	$224.00	$136.70
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	260	169	$317.72	$189.30
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	216	216	$316.00	$139.53
G0008 Administration of influenza virus vaccine	116	114	$41.00	$17.97
90662 Influenza vaccine split virus, preservative free	108	108	$73.00	$64.66
85610 Blood test, clotting time	52	24	$34.00	$4.29
93793 Anticoagulant management of patient taking warfarin	49	23	$26.00	$12.03
93000 Routine ekg using at least 12 leads including interpretation and report	47	46	$82.00	$15.40
G0009 Administration of pneumococcal vaccine	23	23	$41.00	$17.95
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	22	19	$168.00	$56.16
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	18	18	$93.00	$46.35
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	15	15	$159.00	$116.73
99213 Established patient office or other outpatient visit, typically 15 minutes	12	12	$153.00	$97.20
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$353.00	$177.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	326	220	$212.13	$113.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	156	112	$299.46	$151.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	125	125	$316.00	$121.05
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	78	77	$36.87	$19.02
99213 Established patient office or other outpatient visit, typically 15 minutes	75	72	$145.60	$79.26
G0008 Administration of influenza virus vaccine	75	75	$41.00	$17.73
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	74	23	$167.59	$76.83
99443 Telephone medical discussion with physician, 21-30 minutes	68	57	$146.00	$112.39
99442 Telephone medical discussion with physician, 11-20 minutes	58	52	$102.00	$76.86
G0472 Hepatitis c antibody screening, for individual at high risk and other covered indication(s)	54	54	$93.00	$46.13
93000 Routine ekg using at least 12 leads including interpretation and report	41	40	$82.00	$17.81
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	37	13	$61.00	$15.06
G0009 Administration of pneumococcal vaccine	29	29	$41.00	$17.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	27	$436.39	$214.83
93793 Anticoagulant management of patient taking warfarin	22	19	$26.00	$12.34
99239 Hospital discharge day management, more than 30 minutes	22	22	$241.00	$113.33
85610 Blood test, clotting time	22	19	$34.00	$4.20
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	18	17	$168.00	$56.34
90670 Pneumococcal vaccine for injection into muscle	14	14	$318.00	$210.87
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	14	14	$156.64	$119.35

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	429	242	$203.00	$113.75
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	210	140	$291.66	$151.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	188	188	$316.00	$122.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	90	39	$158.00	$76.89
G0008 Administration of influenza virus vaccine	63	63	$41.00	$17.39
93000 Routine ekg using at least 12 leads including interpretation and report	46	43	$82.00	$18.15
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	43	11	$7.00	$1.80
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	42	42	$35.00	$18.65
99213 Established patient office or other outpatient visit, typically 15 minutes	41	39	$136.00	$78.59
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	41	11	$61.00	$17.64
G0009 Administration of pneumococcal vaccine	37	37	$41.00	$17.39
G0103 Prostate cancer screening; prostate specific antigen test (psa)	25	25	$98.00	$20.03
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	23	23	$149.78	$111.65
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	21	21	$35.00	$17.48
99239 Hospital discharge day management, more than 30 minutes	20	20	$241.00	$113.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	18	$420.00	$213.83
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	14	13	$168.00	$53.63
90670 Pneumococcal vaccine for injection into muscle	14	14	$318.00	$208.88
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$349.00	$175.32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$287.00	$145.17
85610 Blood test, clotting time	11	11	$34.00	$4.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	756	313	$22.00	$2.92
80061 Blood test, lipids (cholesterol and triglycerides)	469	281	$96.00	$16.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	414	254	$198.58	$112.67
80053 Blood test, comprehensive group of blood chemicals	366	262	$75.54	$12.70
83036 Hemoglobin A1C level	356	201	$64.00	$11.61
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	312	237	$45.77	$9.36
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	302	181	$285.21	$150.84
80048 Blood test, basic group of blood chemicals (calcium, total)	207	144	$58.91	$10.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	189	189	$316.00	$122.44
84443 Blood test, thyroid stimulating hormone (TSH)	132	104	$108.00	$20.09
85610 Blood test, clotting time	108	44	$34.00	$4.75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	89	38	$154.85	$76.49
G0008 Administration of influenza virus vaccine	79	79	$43.16	$21.46
83540 Iron level	73	43	$31.55	$7.83
83550 Iron binding capacity	73	43	$47.82	$10.57
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	70	70	$35.00	$18.65
G0103 Prostate cancer screening; prostate specific antigen test (psa)	64	64	$102.92	$22.26
82570 Creatinine level to test for kidney function or muscle injury	63	58	$46.00	$6.26
93000 Routine ekg using at least 12 leads including interpretation and report	62	61	$72.98	$17.71
82043 Urine microalbumin (protein) level	59	55	$61.25	$7.00
82607 Cyanocobalamin (vitamin B-12) level	58	53	$115.00	$18.24
81001 Manual urinalysis test with examination using microscope, automated	58	41	$27.00	$3.84
82728 Ferritin (blood protein) level	53	38	$89.00	$16.49
G0009 Administration of pneumococcal vaccine	45	45	$35.16	$21.46
87086 Bacterial colony count, urine	42	29	$53.50	$9.76
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	39	16	$59.54	$21.59
82746 Folic acid level	37	35	$99.00	$17.79
93793 Anticoagulant management of patient taking warfarin	37	30	$26.00	$12.62
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	35	14	$5.97	$1.93
85018 Blood count, hemoglobin	33	24	$23.73	$2.87
85014 Red blood cell concentration measurement	31	23	$21.94	$2.87
83721 Ldl cholesterol level	27	20	$53.89	$11.54
99238 Hospital discharge day management, 30 minutes or less	25	25	$163.16	$73.93
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$132.75	$105.59
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	24	15	$53.08	$10.46
87088 Bacterial urine culture	23	14	$53.26	$9.79
81003 Automated urinalysis test	23	22	$20.00	$2.71
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	23	23	$474.00	$180.04
82306 Vitamin d-3 level	23	17	$218.52	$35.82
85652 Red blood cell sedimentation rate, to detect inflammation, automated	22	21	$25.64	$3.26
90670 Pneumococcal vaccine for injection into muscle	21	21	$246.67	$199.26
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	20	19	$158.40	$56.56
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	19	19	$251.16	$174.28
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	18	15	$38.28	$19.20
80076 Liver function blood test panel	17	15	$65.18	$9.89
82550 Creatine kinase (cardiac enzyme) level, total	16	12	$38.00	$7.46
69209 Removal of impacted ear wax by washing	15	15	$67.60	$15.10
99221 Initial hospital inpatient care per day, typically 30 minutes	15	14	$201.00	$107.51
84153 Psa (prostate specific antigen) measurement, total	14	12	$105.00	$18.78
83690 Lipase (fat enzyme) level	12	11	$53.00	$8.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	766	336	$22.00	$2.94
80061 Blood test, lipids (cholesterol and triglycerides)	527	304	$96.00	$14.27
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	479	274	$193.82	$111.15
80053 Blood test, comprehensive group of blood chemicals	417	290	$75.00	$11.34
83036 Hemoglobin A1C level	394	210	$64.00	$12.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	343	278	$45.00	$10.42
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	303	160	$277.00	$150.20
80048 Blood test, basic group of blood chemicals (calcium, total)	206	161	$58.00	$9.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	155	155	$316.00	$121.30
84443 Blood test, thyroid stimulating hormone (TSH)	142	117	$108.00	$22.46
G0008 Administration of influenza virus vaccine	88	85	$31.00	$26.65
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	86	43	$44.47	$20.16
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	84	82	$35.00	$18.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	84	33	$148.00	$75.58
82043 Urine microalbumin (protein) level	70	63	$58.00	$7.68
82570 Creatinine level to test for kidney function or muscle injury	70	63	$46.00	$6.88
G0103 Prostate cancer screening; prostate specific antigen test (psa)	66	66	$105.00	$24.36
83540 Iron level	64	43	$31.00	$8.70
83550 Iron binding capacity	62	43	$47.00	$11.75
82728 Ferritin (blood protein) level	61	42	$89.00	$18.33
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	59	59	$474.00	$178.71
82607 Cyanocobalamin (vitamin B-12) level	52	47	$115.00	$20.27
93000 Routine ekg using at least 12 leads including interpretation and report	47	44	$69.00	$17.78
85610 Blood test, clotting time	46	12	$34.00	$5.28
81001 Manual urinalysis test with examination using microscope, automated	45	29	$27.00	$4.26
G0009 Administration of pneumococcal vaccine	39	39	$31.00	$26.65
87086 Bacterial colony count, urine	38	23	$53.00	$10.85
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	36	11	$58.00	$26.80
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	36	11	$5.00	$3.09
82306 Vitamin d-3 level	34	21	$215.00	$39.80
99221 Initial hospital inpatient care per day, typically 30 minutes	33	32	$196.00	$107.61
85018 Blood count, hemoglobin	31	25	$23.00	$3.18
82746 Folic acid level	30	30	$99.00	$19.77
85014 Red blood cell concentration measurement	30	25	$20.00	$3.18
90670 Pneumococcal vaccine for injection into muscle	29	29	$211.00	$185.27
81003 Automated urinalysis test	27	24	$20.00	$3.02
87186 Evaluation of antimicrobial drug (antibiotic, antifungal, antiviral), microdilution or agar dilution	25	15	$53.00	$11.62
87088 Bacterial urine culture	24	14	$53.00	$10.88
83721 Ldl cholesterol level	21	15	$53.00	$12.83
99239 Hospital discharge day management, more than 30 minutes	21	20	$229.00	$112.62
80076 Liver function blood test panel	20	18	$64.00	$9.45
85652 Red blood cell sedimentation rate, to detect inflammation, automated	17	15	$24.00	$3.63
69209 Removal of impacted ear wax by washing	16	13	$36.00	$13.64
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	14	14	$206.00	$173.52
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	14	12	$156.00	$56.55
82565 Blood creatinine level	13	12	$30.69	$6.44
83690 Lipase (fat enzyme) level	12	12	$52.00	$8.59

Medical Specialties & State Licenses

CMS Verified: 2021-11-22

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036093987

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

036093987 (IL)

Practice Associates & Co-Workers

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

40 Associated Practitioners

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Doctor of Medicine (M.D.)

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Internal Medicine - Infectious Disease

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Doctor of Medicine (M.D.)

Dr. Mona Waheed , MD

Family Medicine

NPI 1063510659

Doctor of Medicine (M.D.)

Dr. Vivien Ho , MD

Family Medicine

NPI 1083897888

Doctor of Medicine (M.D.)

Dr. Rahul Sharma , MD

Psychiatry & Neurology - Psychiatry

NPI 1083979124

Doctor of Medicine (M.D.)

Donna Cole , LCSW, LISW

Social Worker - Clinical

NPI 1114215480

Licensed Clinical Social Worker, Licensed Independent Social Worker

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 14, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location July 14, 2016

Registered at 2285 SEQUOIA DR, AURORA, IL 605066209 (Tel: 6308596700)

📍

Updated Business Mailing Address July 14, 2016

Registered at 2357 SEQUOIA DR, AURORA, IL 605066222 (Tel: 6308596800)

👤

Provider Name / Credentials Updated July 14, 2016

Recorded as WILLIAM DAGIANTIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 14, 2016

Internal Medicine (License #036093987 in IL)

🟢

Initial NPI Registration & Enumeration August 04, 2006

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1972511822

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: August 04, 2006

Last Update: November 22, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2357 Sequoia Dr

Aurora, IL 605066222

Phone: 6308596800

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.