Active NPI 1679579791 Individual Practitioner Male Practitioner

Dr. Michael James Walls , MD

Specialist • Conroe, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Michael Walls, MD is a certified Specialist practicing in Conroe, TX. With approximately 33 years of clinical experience since graduating from University Of Texas Medical School At Houston in 1993, Dr. Walls delivers high-quality medical care to the local community at 4015 I 45 N STE 310.

Dr. Walls accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, established patient outpatient office visit, critical care, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

4015 I 45 N Ste 310

Conroe, TX 773045077

Telephone 9365208983

Fax 9364636508

Associated Practice Facility / Clinic

🏢 Michael James Walls Md Facility NPI 1386170843

Medicare Profile & Education

Medical School

University Of Texas Medical School At Houston

Graduation Year

1993

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Specialist in Conroe, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

33 Yrs -1.0 yrs vs City Avg

City Avg: 34.0 Yrs

State Avg: 38.0 Yrs

Regional Practice Density

13 Specialists

Practicing in Conroe, TX (2033 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

59.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Walls (33 Years) 33 Yrs

Conroe Specialty Average (34.0 Years) 34.0 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
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,485	217	$243.84	$104.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	305	160	$254.00	$112.60
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	238	84	$170.00	$68.90
99291 Critical care, first 30-74 minutes	209	37	$527.00	$188.27
90935 Hemodialysis procedure with physician evaluation	172	24	$173.00	$62.57
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	98	13	$678.00	$299.45
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	73	69	$478.00	$152.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	45	33	$340.00	$161.15
99239 Hospital discharge day management, more than 30 minutes	43	42	$252.00	$100.78
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$392.00	$149.42
99213 Established patient office or other outpatient visit, typically 15 minutes	15	15	$173.00	$81.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	987	247	$244.00	$114.37
90970 Dialysis services, per day, less than full month service (20 years or older)	689	13	$19.00	$9.10
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	472	163	$170.00	$76.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	359	164	$254.00	$121.04
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	121	104	$478.00	$166.86
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	119	18	$678.00	$313.74
90935 Hemodialysis procedure with physician evaluation	115	28	$173.00	$68.68
99291 Critical care, first 30-74 minutes	106	27	$527.00	$204.72
99239 Hospital discharge day management, more than 30 minutes	53	53	$252.00	$109.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	52	30	$340.00	$171.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$392.00	$159.66
99213 Established patient office or other outpatient visit, typically 15 minutes	24	23	$173.00	$86.66
99238 Hospital discharge day management, 30 minutes or less	23	23	$170.00	$77.60

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,117	275	$243.78	$98.18
90970 Dialysis services, per day, less than full month service (20 years or older)	837	20	$19.00	$9.31
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	495	183	$170.00	$68.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	334	168	$254.00	$121.65
99291 Critical care, first 30-74 minutes	236	42	$527.00	$209.02
90935 Hemodialysis procedure with physician evaluation	157	32	$173.00	$70.38
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	135	104	$478.00	$189.84
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	130	23	$678.00	$339.24
99239 Hospital discharge day management, more than 30 minutes	57	55	$252.00	$100.86
99213 Established patient office or other outpatient visit, typically 15 minutes	45	42	$173.00	$86.70
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$392.00	$158.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	30	21	$340.00	$175.13
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	25	14	$571.00	$284.06
99238 Hospital discharge day management, 30 minutes or less	22	22	$170.00	$69.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	929	191	$243.74	$99.79
90970 Dialysis services, per day, less than full month service (20 years or older)	908	17	$19.00	$9.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	452	136	$169.81	$69.53
99291 Critical care, first 30-74 minutes	383	54	$527.00	$210.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	303	172	$254.00	$125.25
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	160	23	$678.00	$350.63
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	151	109	$478.00	$192.68
90935 Hemodialysis procedure with physician evaluation	91	24	$173.00	$71.14
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	45	16	$571.00	$290.97
99239 Hospital discharge day management, more than 30 minutes	45	43	$252.00	$101.32
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$392.00	$160.62
99213 Established patient office or other outpatient visit, typically 15 minutes	44	38	$173.00	$89.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	40	29	$340.00	$176.62
99238 Hospital discharge day management, 30 minutes or less	16	16	$170.00	$69.82
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	13	$486.00	$215.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,159	297	$244.00	$97.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,145	261	$170.00	$68.24
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	383	188	$254.00	$101.30
90970 Dialysis services, per day, less than full month service (20 years or older)	375	12	$19.00	$7.70
99291 Critical care, first 30-74 minutes	263	50	$527.00	$209.55
90935 Hemodialysis procedure with physician evaluation	240	55	$173.00	$69.82
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	231	34	$678.00	$270.01
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	185	159	$478.00	$190.22
99213 Established patient office or other outpatient visit, typically 15 minutes	94	78	$173.00	$69.54
99238 Hospital discharge day management, 30 minutes or less	81	76	$170.00	$68.46
90966 Home dialysis services per month, patient 20 years of age or older	74	11	$570.00	$225.22
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	65	27	$571.00	$220.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	64	63	$392.00	$154.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	33	26	$340.00	$137.00
99239 Hospital discharge day management, more than 30 minutes	26	26	$252.00	$101.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$256.00	$95.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,389	319	$244.00	$100.47
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,323	318	$170.00	$70.44
90970 Dialysis services, per day, less than full month service (20 years or older)	675	17	$19.00	$7.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	353	164	$254.00	$104.25
90935 Hemodialysis procedure with physician evaluation	258	45	$172.33	$71.65
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	256	205	$478.00	$195.08
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	238	34	$678.00	$270.76
99238 Hospital discharge day management, 30 minutes or less	158	151	$170.00	$70.90
90966 Home dialysis services per month, patient 20 years of age or older	99	12	$570.00	$227.08
99231 Follow-up hospital inpatient care per day, typically 15 minutes	89	31	$92.00	$38.29
99213 Established patient office or other outpatient visit, typically 15 minutes	84	71	$173.00	$71.43
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	56	27	$571.00	$228.60
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	51	51	$392.00	$158.65
99217 Hospital observation care on day of discharge	39	39	$170.00	$68.50
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	38	25	$340.00	$140.53
99220 Hospital observation care, typically 70 minutes	36	36	$436.00	$174.20
99226 Subsequent observation care, typically 35 minutes per day	29	23	$245.00	$91.53
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	20	$325.00	$133.08
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$256.00	$103.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	1,525	391	$243.12	$101.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,297	378	$169.87	$70.64
90970 Dialysis services, per day, less than full month service (20 years or older)	565	19	$19.00	$7.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	305	150	$254.00	$103.26
90935 Hemodialysis procedure with physician evaluation	260	43	$173.00	$70.57
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	249	45	$678.00	$268.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	227	203	$478.00	$195.62
99231 Follow-up hospital inpatient care per day, typically 15 minutes	207	80	$91.78	$37.35
99238 Hospital discharge day management, 30 minutes or less	206	193	$170.00	$70.30
99213 Established patient office or other outpatient visit, typically 15 minutes	165	105	$173.00	$70.15
90966 Home dialysis services per month, patient 20 years of age or older	76	14	$570.00	$219.10
99220 Hospital observation care, typically 70 minutes	67	66	$436.00	$181.67
99217 Hospital observation care on day of discharge	67	66	$170.00	$70.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	61	61	$392.00	$158.90
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	54	20	$571.00	$233.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	20	$340.00	$128.39
99226 Subsequent observation care, typically 35 minutes per day	26	20	$245.00	$102.42
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$316.45	$133.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$256.00	$103.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	993	370	$168.25	$69.54
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	833	316	$236.27	$100.58
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	250	49	$675.82	$272.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	247	100	$90.74	$38.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	220	128	$245.77	$102.85
90935 Hemodialysis procedure with physician evaluation	219	59	$173.74	$69.66
99213 Established patient office or other outpatient visit, typically 15 minutes	128	89	$165.52	$69.42
99238 Hospital discharge day management, 30 minutes or less	126	122	$169.37	$69.02
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	109	106	$457.78	$193.16
90966 Home dialysis services per month, patient 20 years of age or older	91	17	$570.60	$202.59
99217 Hospital observation care on day of discharge	59	57	$170.00	$70.41
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	59	35	$566.73	$229.16
99220 Hospital observation care, typically 70 minutes	51	51	$436.00	$180.15
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	51	$301.70	$132.73
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$372.93	$157.12
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	29	29	$450.00	$274.17
99239 Hospital discharge day management, more than 30 minutes	27	26	$226.96	$103.99
99219 Hospital observation care, typically 50 minutes	22	20	$318.00	$131.74
99225 Subsequent observation care, typically 25 minutes per day	20	15	$170.00	$70.69
99226 Subsequent observation care, typically 35 minutes per day	14	12	$245.00	$101.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$340.00	$138.51

Medical Specialties & State Licenses

CMS Verified: 2024-10-28

Specialist Primary Specialty

NUCC Taxonomy Code: 174400000X

State License TX J6047

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.

Internal Medicine - Nephrology

NUCC Taxonomy Code: 207RN0300X

State License TX J6047

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

102913404 (TX)

Career & Practice History Timeline

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

13 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 28, 2024

Internal Medicine (License #J6047 in TX)

📍

Updated Practice Location October 01, 2020

Registered at 4015 I 45 N STE 310, CONROE, TX 773045077 (Tel: 9365208983)

✅

NPI Profile Active June 15, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location June 15, 2017

Registered at 4015 I 45 N, STE 220, CONROE, TX 773045076 (Tel: 9367562555)

📍

Updated Business Mailing Address June 15, 2017

Registered at PO BOX 95533, GRAPEVINE, TX 760999703 (Tel: 9367562555)

👤

Provider Name / Credentials Updated June 15, 2017

Recorded as MICHAEL WALLS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 15, 2017

Specialist (License #J6047 in TX)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 200 RIVER POINTE DR, STE 100, CONROE, TX 773042828 (Tel: 9367562555)

📍

Updated Business Mailing Address July 08, 2007

Registered at 200 RIVER POINTE DR, STE 100, CONROE, TX 773042828 (Tel: 9367562555)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL WALLS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Specialist (License #J6047 in TX)

🟢

Initial NPI Registration & Enumeration June 23, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1679579791

Entity Type:

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

Enumeration Date: June 23, 2005

Last Update: October 28, 2024

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 95533

Grapevine, TX 760999703

Phone: 9365208983

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.