Active NPI 1962464982 Individual Practitioner Male Practitioner

Dr. Stephen A Williams , MD

Internal Medicine • Troy, MI

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Stephen Williams, MD is a certified Internal Medicine practicing in Troy, MI. With approximately 31 years of clinical experience since graduating from Wayne State University School Of Medicine in 1995, Dr. Williams delivers high-quality medical care to the local community at 1639 E BIG BEAVER RD STE 202.

Dr. Williams is affiliated with Mandy Care, Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, routine ekg using at least 12 leads including interpretation and report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1639 E Big Beaver Rd Ste 202

Troy, MI 480832054

Telephone 2486064190

Fax 2485985088

Associated Practice Facility / Clinic

🏢 Jbc Mdvip Pc Facility NPI 1962863548

Medicare Profile & Education

Medical School

Wayne State University School Of Medicine

Graduation Year

1995

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Troy, MI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

31 Yrs +1.8 yrs vs City Avg

City Avg: 29.2 Yrs

State Avg: 26.5 Yrs

Regional Practice Density

122 Specialists

Practicing in Troy, MI (6010 Statewide)

Telehealth Adoption Rate

37.7% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

56.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Williams (31 Years) 31 Yrs

Troy Specialty Average (29.2 Years) 29.2 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
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	158	67	$335.00	$181.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	46	$280.00	$128.60
99213 Established patient office or other outpatient visit, typically 15 minutes	45	32	$200.00	$91.18
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	37	37	$350.00	$129.59
93000 Routine ekg using at least 12 leads including interpretation and report	21	18	$70.00	$14.43
36415 Insertion of needle into vein for collection of blood sample	21	19	$30.00	$8.65

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	398	278	$314.27	$105.51
36415 Insertion of needle into vein for collection of blood sample	133	100	$20.80	$8.40
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	76	76	$301.68	$63.87
99213 Established patient office or other outpatient visit, typically 15 minutes	62	57	$214.81	$66.07
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	43	37	$407.74	$143.65
93000 Routine ekg using at least 12 leads including interpretation and report	36	33	$39.39	$14.75

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	754	381	$310.00	$90.38
36415 Insertion of needle into vein for collection of blood sample	208	154	$12.00	$2.97
99213 Established patient office or other outpatient visit, typically 15 minutes	184	159	$210.00	$52.90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	143	143	$273.00	$41.07
G0008 Administration of influenza virus vaccine	119	117	$41.00	$29.92
90662 Influenza vaccine split virus, preservative free	115	113	$87.00	$68.34
93000 Routine ekg using at least 12 leads including interpretation and report	59	56	$31.00	$14.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	35	$457.00	$116.49
G0009 Administration of pneumococcal vaccine	19	19	$32.00	$30.05

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	727	374	$355.00	$82.19
36415 Insertion of needle into vein for collection of blood sample	238	168	$4.00	$2.99
G0008 Administration of influenza virus vaccine	132	131	$39.00	$17.28
90662 Influenza vaccine split virus, preservative free	125	125	$82.00	$65.23
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	118	96	$477.00	$111.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	95	95	$375.00	$135.29
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	68	11	$46.00	$14.50
93000 Routine ekg using at least 12 leads including interpretation and report	64	60	$56.00	$15.41
99213 Established patient office or other outpatient visit, typically 15 minutes	58	54	$245.00	$60.02
G0009 Administration of pneumococcal vaccine	48	48	$30.00	$17.25
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	47	47	$163.00	$124.90
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	24	16	$50.00	$16.12

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	479	251	$288.73	$70.91
99213 Established patient office or other outpatient visit, typically 15 minutes	227	167	$191.24	$51.23
36415 Insertion of needle into vein for collection of blood sample	215	145	$4.25	$2.98
G0008 Administration of influenza virus vaccine	154	150	$37.00	$17.05
90662 Influenza vaccine split virus, preservative free	149	144	$78.00	$60.61
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	91	91	$316.12	$118.59
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	80	11	$41.90	$14.58
93000 Routine ekg using at least 12 leads including interpretation and report	54	50	$48.00	$17.67
G0009 Administration of pneumococcal vaccine	48	48	$29.00	$16.96
99443 Telephone medical discussion with physician, 21-30 minutes	48	32	$82.00	$81.55
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	46	46	$155.00	$117.49
99497 Advance care planning, first 30 minutes	23	23	$173.74	$88.27
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$353.38	$99.93
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$56.00	$55.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$422.27	$171.56

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	564	289	$159.00	$69.97
99213 Established patient office or other outpatient visit, typically 15 minutes	365	238	$107.00	$45.96
36415 Insertion of needle into vein for collection of blood sample	244	154	$4.00	$2.94
G0008 Administration of influenza virus vaccine	128	126	$35.00	$16.73
90662 Influenza vaccine split virus, preservative free	120	120	$74.00	$54.87
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	80	80	$192.00	$117.63
93000 Routine ekg using at least 12 leads including interpretation and report	73	64	$33.00	$17.43
G0009 Administration of pneumococcal vaccine	48	48	$27.00	$16.73
99497 Advance care planning, first 30 minutes	42	42	$118.00	$86.99
90670 Pneumococcal vaccine for injection into muscle	25	25	$252.00	$208.62
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	25	25	$147.00	$111.17
82044 Urine microalbumin (protein) analysis	25	24	$8.00	$6.11
81003 Automated urinalysis test	14	12	$8.29	$2.44
90471 Administration of 1 vaccine	11	11	$36.00	$16.87

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	650	311	$151.00	$91.41
99213 Established patient office or other outpatient visit, typically 15 minutes	248	170	$102.00	$62.45
36415 Insertion of needle into vein for collection of blood sample	223	151	$4.00	$2.94
G0008 Administration of influenza virus vaccine	155	152	$33.00	$20.55
90662 Influenza vaccine split virus, preservative free	140	137	$40.86	$37.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	93	93	$183.00	$118.55
93000 Routine ekg using at least 12 leads including interpretation and report	73	67	$31.00	$17.40
G0009 Administration of pneumococcal vaccine	44	44	$26.00	$20.55
90670 Pneumococcal vaccine for injection into muscle	29	29	$240.00	$198.90
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$235.00	$169.47
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$94.12	$84.80
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	11	11	$22.00	$18.65

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	655	314	$151.00	$102.48
99213 Established patient office or other outpatient visit, typically 15 minutes	345	216	$102.00	$69.54
36415 Insertion of needle into vein for collection of blood sample	244	161	$4.00	$2.93
G0008 Administration of influenza virus vaccine	185	177	$33.00	$25.35
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	102	102	$183.00	$116.68
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	98	93	$21.00	$17.48
90662 Influenza vaccine split virus, preservative free	88	87	$36.00	$35.28
93000 Routine ekg using at least 12 leads including interpretation and report	83	79	$31.00	$17.13
G0009 Administration of pneumococcal vaccine	43	43	$26.00	$25.35
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	25	25	$80.00	$78.40
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	20	16	$23.00	$14.74
90670 Pneumococcal vaccine for injection into muscle	18	18	$240.00	$185.64
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	15	$61.00	$54.36
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$235.00	$167.11
81002 Urinalysis, manual test	12	11	$4.00	$3.43

Medical Specialties & State Licenses

CMS Verified: 2025-10-22

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MI 4301073784

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

418866710 (MI)

Commercial Insurance / Payer ID Railroad Medicare

1962464982

Hospital & Practice Group Affiliations

Mandy Care, Llc

7125 Orchard Lake Rd, West Bloomfield, MI 483223618

Phone: 2487572410

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. John Calado , DO

Internal Medicine

NPI 1972567113

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

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

10 Historical Events

📍

Updated Practice Location July 13, 2023

Registered at 1639 E BIG BEAVER RD STE 202, TROY, MI 480832054 (Tel: 2486064190)

📍

Updated Business Mailing Address July 13, 2023

Registered at 1639 E BIG BEAVER RD STE 202, TROY, MI 480832054 (Tel: 2486064190)

📍

Updated Practice Location October 20, 2020

Registered at 38865 DEQUINDRE RD STE 106, TROY, MI 480836812 (Tel: 2487202626)

📍

Updated Business Mailing Address October 20, 2020

Registered at 38865 DEQUINDRE RD STE 106, TROY, MI 480836812 (Tel: 2487202626)

✅

NPI Profile Active February 13, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location February 13, 2014

Registered at 38865 DEQUINDRE RD, SUITE 106, TROY, MI 480836812 (Tel: 2487202626)

📍

Updated Business Mailing Address February 13, 2014

Registered at 38865 DEQUINDRE RD, SUITE 106, TROY, MI 480836812 (Tel: 2487202626)

👤

Provider Name / Credentials Updated February 13, 2014

Recorded as STEPHEN WILLIAMS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 13, 2014

Internal Medicine (License #4301073784 in MI)

🟢

Initial NPI Registration & Enumeration April 05, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1962464982

Entity Type:

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

Enumeration Date: April 05, 2006

Last Update: October 22, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1639 E Big Beaver Rd Ste 202

Troy, MI 480832054

Phone: 2486064190

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.