Active NPI 1982694162 Individual Practitioner Male Practitioner

Dr. John A Williams , MD

Specialist • Montgomery, AL

Professional Overview & Biography Verified Profile Summary

Dr. John Williams, MD is a registered healthcare professional specializing in Specialist in Montgomery, AL. Practice services are available at 1758 PARK PL under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, ultrasound of heart with color-depicted blood flow, rate, direction and valve function. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1758 Park Pl

Montgomery, AL 361061133

Telephone 3342649191

Associated Practice Facility / Clinic

🏢 Cardiology Associates Of Montgomery Facility NPI 1578515946

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Montgomery, AL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 40.7 Yrs

State Avg: 34.8 Yrs

Regional Practice Density

42 Specialists

Practicing in Montgomery, AL (611 Statewide)

Telehealth Adoption Rate

2.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

40.9% 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
99213 Established patient office or other outpatient visit, typically 15 minutes	57	46	$137.00	$83.58
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	27	26	$13.00	$7.69
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	26	26	$107.00	$64.61
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	20	20	$34.00	$19.94
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	20	20	$22.00	$13.18
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	19	19	$137.26	$71.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	14	$192.00	$118.16
93000 Routine ekg using at least 12 leads including interpretation and report	14	12	$22.00	$13.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	128	70	$122.50	$85.73
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	109	107	$184.37	$66.50
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	81	77	$13.69	$7.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	35	$174.25	$119.80
93000 Routine ekg using at least 12 leads including interpretation and report	51	32	$53.00	$13.43
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	25	24	$28.24	$13.97
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	25	24	$41.92	$20.96
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$223.00	$115.46
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	17	17	$231.29	$74.86
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$164.17	$106.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	114	109	$591.77	$67.24
99213 Established patient office or other outpatient visit, typically 15 minutes	94	57	$97.46	$87.31
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	91	85	$20.00	$8.06
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	51	36	$58.00	$53.30
93000 Routine ekg using at least 12 leads including interpretation and report	48	37	$53.00	$14.01
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	39	39	$63.75	$20.75
93017 Exercise or drug-induced heart stress test with electrocardiogram (ecg)	38	38	$63.75	$23.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	24	$142.00	$121.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	29	29	$140.00	$107.44
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	26	26	$44.15	$13.65
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	26	26	$62.88	$20.48
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	20	20	$998.80	$71.72
93308 Ultrasound of heart, follow-up	11	11	$295.00	$24.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	57	57	$453.19	$72.01
99213 Established patient office or other outpatient visit, typically 15 minutes	49	32	$162.32	$70.68
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	41	41	$63.75	$20.73
93017 Exercise or drug-induced heart stress test with electrocardiogram (ecg)	39	39	$63.75	$22.72
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	32	32	$20.00	$8.13
93000 Routine ekg using at least 12 leads including interpretation and report	22	19	$53.43	$15.93
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$176.54	$103.39
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$139.80	$102.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	91	57	$259.78	$68.34
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	90	90	$282.92	$71.14
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	38	$386.34	$101.61
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$605.52	$153.42
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	35	35	$63.75	$20.84
93017 Exercise or drug-induced heart stress test with electrocardiogram (ecg)	34	34	$63.75	$22.06
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	24	24	$296.79	$76.53
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	23	23	$305.12	$76.53
93000 Routine ekg using at least 12 leads including interpretation and report	18	17	$58.22	$15.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$400.48	$100.41
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	11	11	$57.08	$14.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$722.16	$193.15
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	11	11	$85.36	$21.45

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93017 Exercise or drug-induced heart stress test with electrocardiogram (ecg)	27	27	$63.75	$22.84
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	27	27	$63.75	$21.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$328.08	$100.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	318	308	$119.00	$65.64
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	167	166	$182.33	$59.30
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	157	81	$121.00	$64.55
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	118	107	$338.00	$182.98
A9505 Thallium tl-201 thallous chloride, diagnostic, per millicurie	116	29	$190.00	$89.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	69	$175.00	$96.60
A9502 Technetium tc-99m tetrofosmin, diagnostic, per study dose	65	47	$200.00	$166.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes	57	25	$65.00	$35.37
J2785 Injection, regadenoson, 0.1 mg	52	13	$93.00	$42.25
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	48	48	$208.00	$54.83
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	46	46	$1094.00	$390.38
93288 Evaluation of single, dual, multiple lead or leadless pacemaker system	44	43	$61.00	$33.71
93000 Routine ekg using at least 12 leads including interpretation and report	32	29	$53.00	$14.85
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	22	22	$353.36	$170.38
93458 Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist	17	17	$828.00	$215.91
99219 Hospital observation care, typically 50 minutes	16	15	$226.00	$125.08

Medical Specialties & State Licenses

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License AL 9622

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

529800710 (AL)

Commercial Insurance / Payer ID Blue Cross & Blue Shield

77459 (AL)

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Ravichandra Boyella , MD

Internal Medicine - Cardiovascular Disease

NPI 1104021567

Doctor of Medicine (M.D.)

Dr. Charles Hastey , MD

Specialist

NPI 1407846082

Doctor of Medicine (M.D.)

Haley Clifton , CRNP

Nurse Practitioner - Family

NPI 1447813027

Certified Registered Nurse Practitioner

Mary Brock , CRNP, FNP-C

Nurse Practitioner - Family

NPI 1467304931

Certified Registered Nurse Practitioner, Family Nurse Practitioner (Certified)

Ernestine Takang , CRNP

Nurse Practitioner - Family

NPI 1619554755

Certified Registered Nurse Practitioner

Thomasine Boyd-Johnson

Internal Medicine - Cardiovascular Disease

NPI 1659114999

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active May 02, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location May 02, 2008

Registered at 1758 PARK PL, MONTGOMERY, AL 361061133 (Tel: 3342649191)

📍

Updated Business Mailing Address May 02, 2008

Registered at 1758 PARK PL, MONTGOMERY, AL 361061127 (Tel: 3342649191)

👤

Provider Name / Credentials Updated May 02, 2008

Recorded as JOHN WILLIAMS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 02, 2008

Specialist (License #9622 in AL)

🟢

Initial NPI Registration & Enumeration October 27, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1982694162

Entity Type:

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

Enumeration Date: October 27, 2005

Last Update: May 02, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1758 Park Pl

Montgomery, AL 361061127

Phone: 3342649191

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.