Active NPI 1689703134 Individual Practitioner Male Practitioner

David Lee Willis , GNP

Nurse Practitioner - Gerontology • Mckinney, TX

Professional Overview & Biography Verified Profile Summary

David Willis, GNP is a certified Nurse Practitioner - Gerontology practicing in Mckinney, TX. With approximately 21 years of clinical experience since completing medical education in 2005, David Willis delivers high-quality medical care to the local community at 275 HOLDER TRL.

David Willis is affiliated with Willis Senior Housecalls Pllc and does not directly accept Medicare assignment.

Frequently performed procedures and clinical services include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least, injection beneath the skin or into muscle for therapy, diagnosis, or prevention, injection, vitamin b-12 cyanocobalamin, up to 1000 mcg. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

275 Holder Trl

Mckinney, TX 750714133

Telephone 2144914191

Associated Practice Facility / Clinic

🏢 Willis Senior Housecalls Pllc Facility NPI 1356738488

Medicare Profile & Education

Medical School

Other

Graduation Year

2005

Medicare Assignment

Not Specified

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Gerontology in Mckinney, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

21 Yrs +10.5 yrs vs City Avg

City Avg: 10.5 Yrs

State Avg: 7.9 Yrs

Regional Practice Density

7 Specialists

Practicing in Mckinney, TX (963 Statewide)

Telehealth Adoption Rate

42.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

46.2% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Willis (21 Years) 21 Yrs

Mckinney Specialty Average (10.5 Years) 10.5 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
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,267	245	$199.86	$104.74
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	636	145	$34.99	$11.84
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	634	145	$20.00	$1.23
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	623	123	$80.19	$39.28
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	553	113	$70.05	$31.69
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	365	167	$84.80	$50.54
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	191	47	$99.62	$37.09
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	125	65	$70.00	$38.53
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	63	39	$249.21	$151.74
G0008 Administration of influenza virus vaccine	61	60	$51.66	$31.59
90653 Vaccine for influenza for injection into muscle	60	59	$95.00	$81.82
G0136 Administration of a standardized, evidence-based social determinants of health risk assessment tool, 5-15 minutes	39	35	$44.83	$15.74
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	35	35	$345.90	$166.02
99496 Transitional care management services for problem of high complexity	32	26	$375.00	$230.14
M0201 Administration of pneumococcal, influenza, hepatitis b, and/or covid-19 vaccine inside a patient's home; reported only once per individual home per date of service when such vaccine administration(s) are performed at the patient's home	30	30	$65.00	$37.64
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	28	28	$85.59	$51.60
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month	19	19	$164.22	$67.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,642	377	$199.76	$106.35
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	1,084	305	$20.17	$1.73
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	1,065	301	$34.90	$11.84
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	950	208	$80.04	$39.47
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	903	199	$70.05	$32.18
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	450	234	$84.98	$50.92
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	191	52	$99.92	$39.83
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	164	92	$249.99	$155.01
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	157	87	$70.00	$38.48
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month	105	103	$167.00	$69.64
G0008 Administration of influenza virus vaccine	96	96	$50.10	$29.51
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	71	71	$94.93	$75.73
99496 Transitional care management services for problem of high complexity	47	43	$374.47	$230.83
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	46	46	$85.59	$51.47
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	45	45	$351.11	$168.71
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment	41	38	$38.55	$15.82
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	25	25	$95.00	$33.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,654	310	$199.81	$106.91
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	1,504	267	$20.16	$1.72
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	1,467	261	$34.68	$12.14
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	765	89	$80.67	$40.68
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	679	87	$70.00	$33.14
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	317	164	$84.82	$51.97
99336 Established patient assisted living visit, typically 40 minutes	262	41	$223.76	$112.29
G0008 Administration of influenza virus vaccine	129	128	$50.79	$28.21
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	126	125	$86.67	$69.82
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	87	21	$100.00	$44.58
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	63	42	$86.67	$39.27
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	60	60	$85.59	$52.20
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	52	52	$348.81	$181.69
99496 Transitional care management services for problem of high complexity	48	42	$374.48	$234.53
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	38	32	$248.68	$148.18
99337 Established patient assisted living visit, typically 60 minutes	14	11	$270.00	$159.93
G0009 Administration of pneumococcal vaccine	11	11	$50.00	$28.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,732	372	$199.94	$109.01
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	1,528	317	$20.07	$1.98
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	1,522	316	$34.95	$12.10
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	437	265	$85.19	$33.80
99091 Collection and interpretation of physical parameters stored in computers minimum of 30 minutes	424	139	$172.13	$46.98
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes	402	96	$85.10	$41.73
99336 Established patient assisted living visit, typically 40 minutes	359	55	$223.21	$113.13
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	353	91	$70.08	$33.80
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days	170	42	$99.41	$51.16
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	131	131	$85.59	$52.25
G0008 Administration of influenza virus vaccine	122	122	$50.57	$16.47
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	116	116	$84.61	$66.29
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	109	109	$349.20	$185.21
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	105	74	$94.24	$30.87
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	91	24	$8.13	$1.26
99496 Transitional care management services for problem of high complexity	80	60	$373.96	$236.44
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	53	38	$251.89	$150.54
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	41	21	$148.43	$87.49

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,881	396	$199.99	$111.15
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	1,280	339	$34.90	$12.22
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	1,277	339	$20.24	$1.95
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	695	374	$84.95	$34.48
99336 Established patient assisted living visit, typically 40 minutes	513	78	$223.88	$115.52
G0008 Administration of influenza virus vaccine	200	200	$49.86	$16.22
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	176	174	$87.38	$53.80
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	160	160	$348.84	$191.14
90653 Vaccine for influenza for injection into muscle	159	159	$63.77	$59.41
G2058 Chronic care management services, each additional 20 minutes of clinical staff time directed by a physician or other qualified health care professional, per calendar month (list separately in addition to code for primary procedure). (do not report g2058 fo	101	89	$80.84	$31.11
99496 Transitional care management services for problem of high complexity	93	79	$374.79	$209.57
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	88	66	$260.23	$153.93
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	55	17	$8.00	$1.48
99453 Remote monitoring of physiologic parameters, initial set-up and patient education on use of equipment	30	30	$47.87	$15.45
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	29	$215.55	$93.69
99423 Online digital evaluation and management service for an established patient for up to 7 days, total time 21 or more minutes	28	23	$105.00	$41.21
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	28	28	$70.00	$19.58
99337 Established patient assisted living visit, typically 60 minutes	23	18	$275.03	$164.44
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	18	$155.37	$84.34
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month	15	15	$167.07	$69.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	1,415	326	$194.95	$105.77
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	1,088	215	$33.35	$13.61
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	1,050	210	$21.93	$1.81
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	530	178	$146.47	$86.59
99336 Established patient assisted living visit, typically 40 minutes	316	90	$208.39	$109.16
G0506 Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service)	148	147	$95.38	$50.90
99497 Advance care planning, first 30 minutes	117	117	$165.14	$69.56
G0008 Administration of influenza virus vaccine	114	112	$50.00	$16.46
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	105	27	$6.86	$1.57
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	101	83	$260.41	$146.88
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	90	88	$50.00	$27.48
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	88	87	$339.22	$180.26
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	81	67	$85.00	$32.96
99496 Transitional care management services for problem of high complexity	53	47	$358.73	$186.50
99337 Established patient assisted living visit, typically 60 minutes	42	28	$278.19	$156.71
99328 New patient custodial care facility, group care, or assisted living visit, typically 75 minutes	31	31	$331.64	$177.61
90653 Vaccine for influenza for injection into muscle	25	25	$89.60	$57.22
99491 Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month	16	15	$167.00	$66.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
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	1,004	238	$125.45	$87.55
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	797	256	$200.06	$106.26
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	549	143	$35.01	$16.92
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	538	141	$20.33	$1.94
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	513	209	$249.70	$147.63
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	125	21	$6.08	$1.78
G0008 Administration of influenza virus vaccine	108	104	$49.58	$20.16
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	85	82	$50.35	$23.57
99336 Established patient assisted living visit, typically 40 minutes	82	43	$200.61	$111.13
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	79	79	$348.42	$182.86
99337 Established patient assisted living visit, typically 60 minutes	42	26	$250.00	$158.31
99496 Transitional care management services for problem of high complexity	25	22	$356.00	$189.65
90662 Influenza vaccine split virus, preservative free	20	20	$72.50	$51.97
99328 New patient custodial care facility, group care, or assisted living visit, typically 75 minutes	17	17	$348.53	$179.22
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes	14	13	$153.57	$69.88

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
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	782	207	$122.82	$86.49
99349 Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes	636	233	$200.90	$105.63
99350 Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes	626	214	$253.83	$146.53
99345 Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes	224	224	$349.11	$182.03
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	188	88	$35.69	$20.75
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	168	77	$20.24	$2.23
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg	90	16	$8.20	$1.84
90674 Influenza vaccine, quadrivalent derived from cell cultures, preservative and antibiotic free	81	76	$50.00	$23.57
G0008 Administration of influenza virus vaccine	81	76	$35.00	$24.94
99354 Prolonged office or other outpatient service first hour	43	31	$101.16	$98.59
99496 Transitional care management services for problem of high complexity	22	19	$355.00	$188.72
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	16	$125.65	$96.87
G0009 Administration of pneumococcal vaccine	17	16	$40.00	$25.21

Medical Specialties & State Licenses

CMS Verified: 2023-11-29

Nurse Practitioner - Gerontology Primary Specialty

NUCC Taxonomy Code: 363LG0600X

State License TX 556431

Definition to come...

Additional State Medicaid & Healthcare Payer Identifiers

Commercial Insurance / Payer ID Registered Nurse, Gnp

556431 (TX)

Hospital & Practice Group Affiliations

Willis Senior Housecalls Pllc

275 Holder Trl, Mckinney, TX 750714133

Phone: 2144914191

Practice Associates & Co-Workers

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

2 Associated Practitioners

Stevan Cuellar , NP-C

Nurse Practitioner - Family

NPI 1265066468

Nurse Practitioner (Certified)

Tam Le , NP

Nurse Practitioner - Family

NPI 1831700285

Nurse Practitioner

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location November 29, 2023

Registered at 275 HOLDER TRL, MCKINNEY, TX 750714133 (Tel: 2144914191)

📍

Updated Practice Location July 27, 2019

Registered at 515 W MAIN ST STE 115, ALLEN, TX 750138057 (Tel: 2144914191)

📍

Updated Business Mailing Address July 27, 2019

Registered at 275 HOLDER TRL, MCKINNEY, TX 750714133 (Tel: 2144914191)

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 703 MCKINNEY AVE, SUITE 433, DALLAS, TX 752021007 (Tel: 2147548700)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2706 CASAS DEL SUR CT, GRANBURY, TX 760491465 (Tel: 2147548700)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as DAVID WILLIS, GNP

🎓

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

Nurse Practitioner (License #556431 in TX)

🟢

Initial NPI Registration & Enumeration March 02, 2007

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: 1689703134

Entity Type:

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

Enumeration Date: March 02, 2007

Last Update: November 29, 2023

Sole Proprietor: No

Update or Correct Profile

Mailing Address

275 Holder Trl

Mckinney, TX 750714133

Phone: 2144914191

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

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