Active NPI 1760622617 Individual Practitioner Female Practitioner

Dr. Letitia Ann Horrigan , DO

Internal Medicine • Wakefield, RI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Letitia Horrigan, DO is a certified Internal Medicine practicing in Wakefield, RI. With approximately 18 years of clinical experience since graduating from University Of New England, College Of Osteo Medicine in 2008, Dr. Horrigan delivers high-quality medical care to the local community at 481 KINGSTOWN RD.

Dr. Horrigan accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

481 Kingstown Rd

Wakefield, RI 028793626

Telephone 4017890283

Fax 4017890314

Associated Practice Facility / Clinic

🏢 South County Internal Medicine, Inc. Facility NPI 1215946827

Medicare Profile & Education

Medical School

University Of New England, College Of Osteo Medicine

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Wakefield, RI

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -11.9 yrs vs City Avg

City Avg: 29.9 Yrs

State Avg: 27.9 Yrs

Regional Practice Density

30 Specialists

Practicing in Wakefield, RI (1079 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

53.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Horrigan (18 Years) 18 Yrs

Wakefield Specialty Average (29.9 Years) 29.9 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	412	260	$292.00	$129.00
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	290	201	$32.00	$16.37
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	181	181	$298.00	$130.67
99213 Established patient office or other outpatient visit, typically 15 minutes	89	79	$206.00	$91.69
93000 Routine ekg using at least 12 leads including interpretation and report	76	72	$34.00	$14.44
G0009 Administration of pneumococcal vaccine	33	33	$50.00	$32.68
G0008 Administration of influenza virus vaccine	30	30	$50.00	$32.68
69209 Removal of impacted ear wax by washing	28	24	$39.36	$17.98
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	28	28	$16.00	$6.18
90662 Influenza vaccine split virus, preservative free	16	16	$106.75	$71.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$128.00	$57.16
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	11	11	$376.00	$165.22

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	354	230	$292.00	$130.15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	146	146	$298.00	$131.28
99213 Established patient office or other outpatient visit, typically 15 minutes	139	112	$206.00	$92.04
93000 Routine ekg using at least 12 leads including interpretation and report	76	73	$34.00	$14.79
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	46	46	$376.00	$167.65
G0009 Administration of pneumococcal vaccine	38	38	$50.00	$31.37
G0008 Administration of influenza virus vaccine	33	32	$50.00	$31.37
96127 Assessment of emotional or behavioral problems	31	31	$11.65	$4.73
69209 Removal of impacted ear wax by washing	30	25	$39.57	$17.87
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	18	18	$128.00	$57.89
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	16	16	$450.00	$281.07

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	352	212	$163.38	$132.68
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	167	167	$30.00	$27.06
99213 Established patient office or other outpatient visit, typically 15 minutes	166	129	$121.43	$94.16
G0444 Annual depression screening, 5 to 15 minutes	166	166	$25.00	$19.14
G0442 Annual alcohol misuse screening, 5 to 15 minutes	164	164	$25.00	$19.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	144	144	$178.00	$176.18
93000 Routine ekg using at least 12 leads including interpretation and report	125	122	$53.32	$14.88
G0008 Administration of influenza virus vaccine	22	22	$36.41	$28.26
69210 Removal of impacted ear wax	16	15	$75.00	$49.45
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	14	14	$14.29	$10.04
99442 Telephone medical discussion with physician, 11-20 minutes	12	12	$142.75	$93.48

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	315	204	$145.00	$135.39
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	216	216	$30.00	$27.88
G0442 Annual alcohol misuse screening, 5 to 15 minutes	212	212	$25.00	$19.72
G0444 Annual depression screening, 5 to 15 minutes	211	211	$25.00	$19.72
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	188	187	$178.00	$179.07
99213 Established patient office or other outpatient visit, typically 15 minutes	177	112	$105.00	$95.57
93000 Routine ekg using at least 12 leads including interpretation and report	173	165	$55.00	$15.62
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	67	67	$0.01	$0.01
G0008 Administration of influenza virus vaccine	65	65	$27.00	$17.73
69210 Removal of impacted ear wax	27	23	$75.00	$50.34
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$268.00	$232.57
81002 Urinalysis, manual test	21	18	$12.00	$3.48
82270 Stool analysis for blood to screen for colon tumors	20	20	$11.00	$4.38
99496 Transitional care management services for problem of high complexity	13	11	$350.00	$293.00
99442 Telephone medical discussion with physician, 11-20 minutes	12	11	$106.25	$94.15
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	12	12	$143.00	$139.13

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	321	176	$145.00	$113.45
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	188	187	$178.00	$153.10
99213 Established patient office or other outpatient visit, typically 15 minutes	147	98	$105.00	$77.81
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	141	141	$143.00	$120.92
93000 Routine ekg using at least 12 leads including interpretation and report	132	128	$55.00	$17.93
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	126	126	$30.00	$27.47
G0444 Annual depression screening, 5 to 15 minutes	67	67	$25.00	$19.09
G0442 Annual alcohol misuse screening, 5 to 15 minutes	59	59	$25.00	$19.09
G0008 Administration of influenza virus vaccine	57	53	$27.00	$17.57
90662 Influenza vaccine split virus, preservative free	56	53	$0.01	$0.01
99442 Telephone medical discussion with physician, 11-20 minutes	31	23	$105.65	$76.99
69210 Removal of impacted ear wax	25	24	$75.00	$50.54
82270 Stool analysis for blood to screen for colon tumors	15	15	$11.00	$4.36
99496 Transitional care management services for problem of high complexity	15	14	$350.00	$255.51
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	13	13	$268.00	$217.94
G0447 Face-to-face behavioral counseling for obesity, 15 minutes	13	13	$30.00	$27.38
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$200.00	$178.04
81002 Urinalysis, manual test	12	11	$12.00	$3.46

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	383	207	$145.00	$112.80
99213 Established patient office or other outpatient visit, typically 15 minutes	181	118	$105.00	$77.05
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	165	165	$178.00	$150.93
93000 Routine ekg using at least 12 leads including interpretation and report	134	132	$55.00	$17.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	133	133	$143.00	$120.24
G0008 Administration of influenza virus vaccine	82	81	$27.00	$17.28
90662 Influenza vaccine split virus, preservative free	74	73	$0.01	$0.01
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	58	58	$30.00	$27.02
G0444 Annual depression screening, 5 to 15 minutes	32	32	$25.00	$18.75
69210 Removal of impacted ear wax	26	26	$75.00	$49.36
82270 Stool analysis for blood to screen for colon tumors	21	21	$11.00	$4.29
G0442 Annual alcohol misuse screening, 5 to 15 minutes	19	19	$25.00	$18.75
99496 Transitional care management services for problem of high complexity	18	18	$305.56	$240.03
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	18	18	$200.00	$177.22
G0447 Face-to-face behavioral counseling for obesity, 15 minutes	14	14	$30.00	$26.66
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$268.00	$213.71

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	345	199	$144.49	$111.32
G0442 Annual alcohol misuse screening, 5 to 15 minutes	186	186	$25.00	$19.10
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	177	177	$30.00	$26.63
G0444 Annual depression screening, 5 to 15 minutes	176	176	$25.00	$18.73
99213 Established patient office or other outpatient visit, typically 15 minutes	161	115	$103.26	$75.19
36415 Insertion of needle into vein for collection of blood sample	157	117	$12.00	$2.94
93000 Routine ekg using at least 12 leads including interpretation and report	127	119	$55.00	$17.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	127	127	$133.67	$121.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	98	96	$178.00	$151.08
84443 Blood test, thyroid stimulating hormone (TSH)	88	80	$48.00	$19.89
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	85	78	$19.00	$9.40
84132 Blood potassium level	77	61	$21.00	$5.57
82435 Blood chloride level	75	59	$21.00	$5.57
84295 Blood sodium level	74	57	$21.00	$5.82
82565 Blood creatinine level	73	56	$20.00	$6.20
84520 Urea nitrogen level to assess kidney function	69	54	$20.00	$4.78
G0008 Administration of influenza virus vaccine	63	61	$27.00	$21.32
80061 Blood test, lipids (cholesterol and triglycerides)	56	54	$65.00	$15.91
90662 Influenza vaccine split virus, preservative free	56	55	$0.01	$0.01
82270 Stool analysis for blood to screen for colon tumors	56	56	$11.00	$4.29
82947 Blood glucose (sugar) level	40	38	$18.00	$4.75
84439 Thyroxine (thyroid chemical), free	39	33	$65.00	$10.54
82550 Creatine kinase (cardiac enzyme) level, total	38	37	$27.00	$7.88
83036 Hemoglobin A1C level	37	32	$41.00	$11.75
82310 Calcium level, total	35	32	$10.00	$6.24
69210 Removal of impacted ear wax	34	32	$75.00	$50.71
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	28	28	$268.00	$214.96
84460 Liver enzyme (sgpt), level	27	26	$19.00	$6.41
84450 Liver enzyme (sgot), level	27	26	$19.00	$6.26
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	22	22	$200.00	$178.14
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$208.00	$170.69
82043 Urine microalbumin (protein) level	15	14	$76.00	$7.00
81002 Urinalysis, manual test	15	14	$12.00	$3.41
87088 Bacterial urine culture	15	14	$24.00	$9.79
99495 Transitional care management services for problem of at least moderate complexity	11	11	$180.00	$170.63

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	145	119	$132.00	$110.74
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	128	128	$178.00	$148.94
36415 Insertion of needle into vein for collection of blood sample	123	89	$12.00	$2.94
G0442 Annual alcohol misuse screening, 5 to 15 minutes	112	112	$25.00	$18.64
G0444 Annual depression screening, 5 to 15 minutes	111	111	$25.00	$18.64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	111	111	$128.00	$119.32
99213 Established patient office or other outpatient visit, typically 15 minutes	101	75	$98.00	$75.24
93000 Routine ekg using at least 12 leads including interpretation and report	84	78	$55.00	$17.57
84443 Blood test, thyroid stimulating hormone (TSH)	65	58	$48.00	$22.59
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes	51	51	$30.00	$26.40
80061 Blood test, lipids (cholesterol and triglycerides)	49	45	$65.00	$12.56
G0008 Administration of influenza virus vaccine	48	47	$27.00	$26.42
82270 Stool analysis for blood to screen for colon tumors	44	44	$11.00	$4.37
90662 Influenza vaccine split virus, preservative free	43	43	$0.01	$0.01
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	42	39	$19.00	$10.45
84132 Blood potassium level	36	33	$21.00	$2.26
84295 Blood sodium level	34	31	$21.00	$2.03
84520 Urea nitrogen level to assess kidney function	33	30	$20.00	$1.92
82435 Blood chloride level	33	31	$21.00	$2.02
82565 Blood creatinine level	32	29	$20.00	$1.89
83036 Hemoglobin A1C level	28	24	$41.00	$11.75
82310 Calcium level, total	27	24	$10.00	$0.97
84439 Thyroxine (thyroid chemical), free	27	26	$65.00	$12.12
82947 Blood glucose (sugar) level	26	25	$18.00	$2.15
82550 Creatine kinase (cardiac enzyme) level, total	25	25	$27.00	$4.60
81002 Urinalysis, manual test	25	21	$12.00	$3.43
69210 Removal of impacted ear wax	24	23	$75.00	$50.67
87088 Bacterial urine culture	22	20	$24.00	$10.88
77080 Dxa bone density measurement of hip, pelvis, spine	22	22	$151.86	$42.61
84460 Liver enzyme (sgpt), level	17	17	$19.00	$2.08
84450 Liver enzyme (sgot), level	17	17	$19.00	$2.08
82043 Urine microalbumin (protein) level	13	13	$76.00	$7.77
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	12	12	$200.00	$175.86

Medical Specialties & State Licenses

CMS Verified: 2025-07-23

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License RI DO00680

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

LH86230 (RI)

Practice Associates & Co-Workers

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

15 Associated Practitioners

Dr. Ulana Farmer , MD

Internal Medicine

NPI 1114967585

Doctor of Medicine (M.D.)

Dr. Bartel Crisafi , MD

Family Medicine

NPI 1124079090

Doctor of Medicine (M.D.)

Dr. Timothy O'mara , MD

Internal Medicine

NPI 1205879608

Doctor of Medicine (M.D.)

Dr. Rikhi D'souza , DO

Internal Medicine

NPI 1215924063

Doctor of Osteopathic Medicine (D.O.)

Dr. Monique Pouliot , DO

Internal Medicine

NPI 1285674614

Doctor of Osteopathic Medicine (D.O.)

Dr. Nitin Damle , MD

Internal Medicine

NPI 1457399388

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active January 24, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location January 24, 2013

Registered at 481 KINGSTOWN RD, WAKEFIELD, RI 028793626 (Tel: 4017890283)

📍

Updated Business Mailing Address January 24, 2013

Registered at 481 KINGSTOWN ROAD, WAKEFIELD, RI 028793626 (Tel: 4017890283)

👤

Provider Name / Credentials Updated January 24, 2013

Recorded as LETITIA HORRIGAN, D.O.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 24, 2013

Internal Medicine (License #DO00680 in RI)

🟢

Initial NPI Registration & Enumeration March 04, 2009

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Letitia Horrigan. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1760622617

Entity Type:

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

Enumeration Date: March 04, 2009

Last Update: July 23, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

481 Kingstown Road

Wakefield, RI 028793626

Phone: 4017890283

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.