Active NPI 1407879489 Individual Practitioner Male Practitioner

Dr. Jose Isaias Mayen Nunez , MD

Internal Medicine • Webster, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Jose Mayen Nunez, MD is a certified Internal Medicine practicing in Webster, TX. With approximately 43 years of clinical experience since completing medical education in 1983, Dr. Mayen Nunez delivers high-quality medical care to the local community at 561 MEDICAL CENTER BLVD STE C.

Dr. Mayen Nunez accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, initial hospital care with moderate level of medical decision making, if using time, at least, hospital discharge day management, more than. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

561 Medical Center Blvd Ste C

Webster, TX 775984240

Telephone 2813321075

Fax 2813327012

Associated Practice Facility / Clinic

🏢 Victoria Anesthesiology Assoc Llp Facility NPI 1881709780

Medicare Profile & Education

Medical School

Other

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Webster, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +19.9 yrs vs City Avg

City Avg: 23.1 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

71 Specialists

Practicing in Webster, TX (9538 Statewide)

Telehealth Adoption Rate

19.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

55.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mayen Nunez (43 Years) 43 Yrs

Webster Specialty Average (23.1 Years) 23.1 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	642	94	$175.00	$78.61
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	356	50	$250.00	$116.96
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	188	143	$500.00	$171.74
99239 Hospital discharge day management, more than 30 minutes	106	83	$260.00	$113.29
99213 Established patient office or other outpatient visit, typically 15 minutes	74	32	$105.00	$91.54
99238 Hospital discharge day management, 30 minutes or less	54	49	$180.00	$81.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	22	$75.00	$56.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	15	$340.00	$131.33
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	12	11	$118.00	$53.43

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	557	85	$250.00	$120.52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	128	29	$175.00	$80.10
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	126	98	$500.00	$175.69
99213 Established patient office or other outpatient visit, typically 15 minutes	109	39	$105.00	$91.65
99239 Hospital discharge day management, more than 30 minutes	80	66	$260.00	$116.13

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	709	77	$175.00	$72.29
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	348	64	$250.00	$104.00
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	119	92	$500.00	$199.24
99239 Hospital discharge day management, more than 30 minutes	98	81	$260.00	$106.87
99213 Established patient office or other outpatient visit, typically 15 minutes	96	35	$105.00	$93.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	38	34	$340.00	$131.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$165.00	$131.19
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	11	11	$270.00	$134.36

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	223	61	$175.00	$73.66
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	166	56	$250.00	$105.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	72	67	$500.00	$205.24
99213 Established patient office or other outpatient visit, typically 15 minutes	71	35	$104.93	$94.83
99239 Hospital discharge day management, more than 30 minutes	40	40	$260.00	$109.12
99238 Hospital discharge day management, 30 minutes or less	34	31	$180.00	$74.05
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	14	12	$340.00	$139.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$190.00	$116.54

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	1,899	240	$249.96	$102.89
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,037	212	$175.08	$71.61
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	451	280	$500.00	$199.03
99238 Hospital discharge day management, 30 minutes or less	263	171	$180.00	$72.04
99213 Established patient office or other outpatient visit, typically 15 minutes	120	51	$105.00	$74.20
99291 Critical care, first 30-74 minutes	116	30	$680.00	$221.42
99239 Hospital discharge day management, more than 30 minutes	81	72	$260.00	$106.23
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$190.00	$107.49

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	2,425	345	$249.97	$104.95
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,269	237	$175.00	$73.66
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	522	338	$500.00	$203.97
99238 Hospital discharge day management, 30 minutes or less	420	289	$180.00	$74.05
99213 Established patient office or other outpatient visit, typically 15 minutes	177	70	$113.64	$74.87
99239 Hospital discharge day management, more than 30 minutes	56	49	$260.00	$107.04
99291 Critical care, first 30-74 minutes	54	14	$680.00	$167.21

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	2,246	377	$250.08	$103.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,001	184	$175.00	$71.86
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	562	391	$500.00	$199.78
99238 Hospital discharge day management, 30 minutes or less	402	309	$180.00	$72.28
99213 Established patient office or other outpatient visit, typically 15 minutes	150	59	$110.10	$71.65
99239 Hospital discharge day management, more than 30 minutes	124	114	$260.00	$106.51
99291 Critical care, first 30-74 minutes	105	27	$680.00	$219.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	39	23	$173.46	$106.56
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	37	14	$270.00	$90.38
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	29	29	$118.00	$53.07
99306 Initial nursing facility visit, typically 45 minutes per day	14	14	$483.57	$164.84

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	1,642	287	$260.99	$101.13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,440	246	$206.47	$70.44
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	479	349	$534.03	$196.60
99291 Critical care, first 30-74 minutes	348	74	$1054.31	$217.50
99238 Hospital discharge day management, 30 minutes or less	341	263	$203.45	$70.75
99239 Hospital discharge day management, more than 30 minutes	213	167	$275.80	$104.92
99213 Established patient office or other outpatient visit, typically 15 minutes	126	55	$159.18	$71.38
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	48	46	$356.04	$131.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	35	21	$203.57	$105.31
G0179 Physician re-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 to affirm the initial imp	32	24	$187.03	$40.29
99219 Hospital observation care, typically 50 minutes	31	31	$420.19	$130.30
G0181 Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow	26	13	$300.00	$104.98
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	17	$168.35	$52.34

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX J4912

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

127444105 (TX)

Commercial Insurance / Payer ID Aetna

0005412547

Commercial Insurance / Payer ID Bcbs

15BQ

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active November 13, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location November 13, 2014

Registered at 561 MEDICAL CENTER BLVD STE C, WEBSTER, TX 775984240 (Tel: 2813321075)

📍

Updated Business Mailing Address November 13, 2014

Registered at PO BOX 4897, HOUSTON, TX 772104897 (Tel: 2813321075)

👤

Provider Name / Credentials Updated November 13, 2014

Recorded as JOSE MAYEN NUNEZ, MD

🎓

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

Internal Medicine (License #J4912 in TX)

🟢

Initial NPI Registration & Enumeration July 25, 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: 1407879489

Entity Type:

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

Enumeration Date: July 25, 2006

Last Update: November 13, 2014

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 4897

Houston, TX 772104897

Phone: 2813321075

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.