Active NPI 1285898288 Individual Practitioner Male Practitioner

Dr. Guillermo Alfredo Mendoza Fonseca , MD

General Practice • Oviedo, FL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Guillermo Mendoza Fonseca, MD is a certified General Practice practicing in Oviedo, FL. With approximately 25 years of clinical experience since completing medical education in 2001, Dr. Mendoza Fonseca delivers high-quality medical care to the local community at 2572 W STATE ROAD 426 STE 3040.

Dr. Mendoza Fonseca maintains professional affiliations with Ability Health Services And Rehabilitation Lp, Ability Health Services, Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include chronic care management services, first, management using the results of remote vital sign monitoring per calendar month, first, remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2572 W State Road 426 Ste 3040

Oviedo, FL 327658389

Telephone 4078909748

Fax 4078909819

Associated Practice Facility / Clinic

🏢 Dr Guillermo Mendoza - Int Med - Llc Facility NPI 1932686003

Medicare Profile & Education

Medical School

Other

Graduation Year

2001

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for General Practice in Oviedo, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

25 Yrs -5.5 yrs vs City Avg

City Avg: 30.5 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

5 Specialists

Practicing in Oviedo, FL (2490 Statewide)

Telehealth Adoption Rate

60.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

36.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Mendoza Fonseca (25 Years) 25 Yrs

Oviedo Specialty Average (30.5 Years) 30.5 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
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	243	27	$75.00	$60.92
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	242	22	$75.00	$47.04
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	235	22	$75.00	$43.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	95	57	$200.00	$124.68
99213 Established patient office or other outpatient visit, typically 15 minutes	65	35	$150.00	$88.10
99458 Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; each additional 20 minute	37	16	$75.00	$38.17
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	30	30	$150.00	$125.75
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	29	15	$75.00	$46.52
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	23	19	$100.00	$54.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$275.00	$163.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	242	32	$75.00	$61.24
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	185	27	$75.00	$47.05
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	168	23	$75.00	$46.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	128	65	$200.00	$123.99
99213 Established patient office or other outpatient visit, typically 15 minutes	86	42	$150.00	$84.94
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	73	27	$75.00	$45.99
99458 Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; each additional 20 minute	46	22	$75.00	$38.57
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	40	27	$100.00	$50.59
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	39	17	$27.18	$13.70
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	21	21	$150.00	$125.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	19	$250.00	$175.67
J1100 Injection, dexamethasone sodium phosphate, 1 mg	18	14	$24.44	$0.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$275.00	$164.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	127	25	$75.00	$62.74
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	117	20	$75.00	$48.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	115	53	$200.00	$124.64
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	107	20	$75.00	$51.88
99213 Established patient office or other outpatient visit, typically 15 minutes	87	37	$150.00	$84.76
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	17	$100.00	$52.09
99458 Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; each additional 20 minute	22	11	$71.91	$38.50
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	20	12	$75.00	$47.24
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$275.00	$156.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	126	26	$75.00	$40.65
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	78	13	$77.88	$59.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	77	40	$200.00	$129.70
99213 Established patient office or other outpatient visit, typically 15 minutes	70	35	$150.00	$91.32
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	52	14	$79.33	$49.83
99458 Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; each additional 20 minute	50	13	$79.50	$40.65
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	32	15	$75.00	$37.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$275.00	$169.08
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment	11	11	$95.45	$18.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	66	35	$150.00	$75.12
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	62	31	$200.00	$109.07
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$275.00	$165.44

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	60	20	$141.67	$74.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	21	$193.42	$108.42
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	20	12	$75.00	$41.54

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	64	38	$135.33	$106.94
99213 Established patient office or other outpatient visit, typically 15 minutes	24	19	$92.58	$72.38
G0444 Annual depression screening, 5 to 15 minutes	12	12	$22.33	$17.58

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	167	60	$135.00	$106.27
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	49	15	$32.00	$24.73
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	43	12	$5.00	$2.93
99213 Established patient office or other outpatient visit, typically 15 minutes	30	20	$92.00	$72.16
G0444 Annual depression screening, 5 to 15 minutes	23	23	$23.00	$17.56
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	19	14	$25.00	$19.68
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$94.00	$74.06

Medical Specialties & State Licenses

General Practice Primary Specialty

NUCC Taxonomy Code: 208D00000X

State License FL ME117112

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License FL ME117112

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.

Internal Medicine

NUCC Taxonomy Code: 207R00000X

State License RI MD12761

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

009890300 (FL)

Commercial Insurance / Payer ID Medical License

ME117112 (FL)

Hospital & Practice Group Affiliations

Ability Health Services And Rehabilitation Lp

1200 Lexington Green Ln, Sanford, FL 327711013

Ability Health Services, Inc

1200 Lexington Green Ln, Sanford, FL 327711013

Career & Practice History Timeline

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

17 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2019

Internal Medicine (License #ME117112 in FL)

📍

Updated Practice Location October 12, 2018

Registered at 2572 W STATE ROAD 426 STE 3040, OVIEDO, FL 327658389 (Tel: 4078909748)

📍

Updated Business Mailing Address October 12, 2018

Registered at 2572 W STATE ROAD 426 STE 3040, OVIEDO, FL 327658389 (Tel: 4078909748)

📍

Updated Practice Location August 01, 2018

Registered at 1355 S INTERNATIONAL PKWY STE 1461, LAKE MARY, FL 32746 (Tel: 7742701984)

📍

Updated Business Mailing Address August 01, 2018

Registered at 1355 S INTERNATIONAL PKWY STE 1461, LAKE MARY, FL 327461694 (Tel: 4078781661)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) August 01, 2018

Internal Medicine (License #MD12761 in RI)

✅

NPI Profile Active December 07, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location December 07, 2017

Registered at 3333 CONWAY RD, ORLANDO, FL 328127334 (Tel: 4072811000)

📍

Updated Business Mailing Address December 07, 2017

Registered at PO BOX 616788, ORLANDO, FL 328616788 (Tel: 4078842952)

👤

Provider Name / Credentials Updated December 07, 2017

Recorded as GUILLERMO MENDOZA FONSECA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 07, 2017

Internal Medicine (License #MD12761 in RI)

✅

NPI Profile Active December 20, 2016

NPI status registered as active in NPPES database

📍

Updated Practice Location December 20, 2016

Registered at 3333 CONWAY RD, ORLANDO, FL 328127334 (Tel: 4072811000)

📍

Updated Business Mailing Address December 20, 2016

Registered at PO BOX 616788, ORLANDO, FL 328616788 (Tel: 4072811000)

👤

Provider Name / Credentials Updated December 20, 2016

Recorded as GUILLERMO MENDOZA FONSECA, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 20, 2016

Internal Medicine (License #ME117112 in FL)

🟢

Initial NPI Registration & Enumeration July 18, 2008

First registered as active Individual Practitioner in NPPES Database.

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NPI Administrative Meta

NPI Number: 1285898288

Entity Type:

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

Enumeration Date: July 18, 2008

Last Update: March 07, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2572 W State Road 426 Ste 3040

Oviedo, FL 327658389

Phone: 4078909748

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.