Active NPI 1689631640 Individual Practitioner Male Practitioner

Dr. Greigstone Montgomery Yearwood , MD

Internal Medicine • Woonsocket, RI

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Greigstone Yearwood, MD is a certified Internal Medicine practicing in Woonsocket, RI. With approximately 38 years of clinical experience since completing medical education in 1988, Dr. Yearwood delivers high-quality medical care to the local community at 191 SOCIAL ST STE 840.

Dr. Yearwood accepts Medicare assignment.

Frequently performed procedures and clinical services include annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

191 Social St Ste 840

Woonsocket, RI 028953213

Telephone 4017622535

Fax 4017622858

Associated Practice Facility / Clinic

🏢 Blackstone Valley Center For Internal Medicine, Inc Facility NPI 1659338655

Medicare Profile & Education

Medical School

Other

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Woonsocket, RI

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +11.9 yrs vs City Avg

City Avg: 26.1 Yrs

State Avg: 27.9 Yrs

Regional Practice Density

26 Specialists

Practicing in Woonsocket, RI (1079 Statewide)

Telehealth Adoption Rate

7.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

33.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Yearwood (38 Years) 38 Yrs

Woonsocket Specialty Average (26.1 Years) 26.1 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
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	133	133	$199.85	$130.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	120	80	$200.00	$122.54
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	13	$122.80	$77.67
99213 Established patient office or other outpatient visit, typically 15 minutes	28	26	$120.00	$89.26
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	17	$200.00	$128.69
99239 Hospital discharge day management, more than 30 minutes	20	16	$150.00	$113.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	141	141	$199.86	$131.28
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	136	93	$203.03	$128.73
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	88	17	$120.00	$79.83
99213 Established patient office or other outpatient visit, typically 15 minutes	64	48	$125.20	$90.89
99239 Hospital discharge day management, more than 30 minutes	25	19	$157.13	$115.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	16	$200.00	$131.26

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	144	90	$171.94	$132.82
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	144	144	$200.00	$134.97
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	127	26	$120.00	$72.22
99213 Established patient office or other outpatient visit, typically 15 minutes	66	50	$120.00	$94.20
83036 Hemoglobin A1C level	44	34	$20.00	$9.61
99239 Hospital discharge day management, more than 30 minutes	33	25	$150.00	$106.97
99442 Telephone medical discussion with physician, 11-20 minutes	30	27	$120.00	$94.00
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	24	$200.00	$137.23

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	160	160	$200.00	$139.13
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	152	92	$160.00	$136.16
99213 Established patient office or other outpatient visit, typically 15 minutes	73	54	$120.00	$95.99
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	62	17	$98.23	$74.30
83036 Hemoglobin A1C level	39	27	$20.00	$9.71
99239 Hospital discharge day management, more than 30 minutes	22	16	$131.82	$110.19
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	18	15	$200.00	$140.63
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$120.00	$96.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	165	165	$200.00	$120.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	92	$160.00	$113.07
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	119	26	$95.00	$75.13
99213 Established patient office or other outpatient visit, typically 15 minutes	79	52	$120.00	$77.42
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic	40	29	$70.00	$14.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	39	31	$200.00	$143.49
83036 Hemoglobin A1C level	34	27	$20.00	$9.67
99238 Hospital discharge day management, 30 minutes or less	32	25	$100.00	$76.14
99442 Telephone medical discussion with physician, 11-20 minutes	18	17	$120.00	$75.91
99443 Telephone medical discussion with physician, 21-30 minutes	15	14	$148.00	$112.01
99441 Telephone medical discussion with physician, 5-10 minutes	14	11	$77.86	$47.81

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	190	113	$160.00	$111.75
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	190	190	$200.00	$120.24
99213 Established patient office or other outpatient visit, typically 15 minutes	166	104	$120.00	$76.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	42	20	$95.00	$75.02
83036 Hemoglobin A1C level	42	36	$20.00	$10.57
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	27	$200.00	$141.22
99238 Hospital discharge day management, 30 minutes or less	27	24	$100.00	$75.50
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	15	15	$200.00	$171.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	203	112	$120.00	$71.77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	196	196	$200.00	$117.58
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	149	98	$160.00	$107.76
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	81	26	$95.00	$73.04
83036 Hemoglobin A1C level	56	40	$20.00	$11.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	34	$200.00	$137.20
99238 Hospital discharge day management, 30 minutes or less	26	20	$100.00	$73.51
99239 Hospital discharge day management, more than 30 minutes	19	17	$130.00	$108.33

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	238	130	$120.34	$75.35
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	207	207	$197.68	$118.87
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	87	65	$160.00	$110.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	67	22	$95.00	$73.91
83036 Hemoglobin A1C level	58	39	$20.00	$11.75
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	29	$200.00	$140.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	28	$60.00	$45.30
99239 Hospital discharge day management, more than 30 minutes	21	19	$130.00	$110.39
99238 Hospital discharge day management, 30 minutes or less	16	12	$100.00	$74.45
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	16	16	$196.25	$169.33
99495 Transitional care management services for problem of at least moderate complexity	13	12	$203.85	$168.46

Medical Specialties & State Licenses

CMS Verified: 2026-07-16

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License RI MD07911

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

9020093 (RI)

Secondary Practice Locations

20 Cumberland Hill Rd Unit 202

Woonsocket, RI 028954854

Phone: 4014884003

115 Cass Ave

Woonsocket, RI 028954705

Phone: 4017694100

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location July 16, 2026

Registered at 191 SOCIAL ST STE 840, WOONSOCKET, RI 028953213 (Tel: 4017622535)

📍

Updated Business Mailing Address July 16, 2026

Registered at 191 SOCIAL ST STE 840, WOONSOCKET, RI 028953213 (Tel: 4017622535)

✅

NPI Profile Active June 07, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location June 07, 2012

Registered at 191 SOCIAL ST, SUITE 840, WOONSOCKET, RI 028953240 (Tel: 4017622535)

📍

Updated Business Mailing Address June 07, 2012

Registered at 191 SOCIAL ST, SUITE 840, WOONSOCKET, RI 028953240 (Tel: 4017622535)

👤

Provider Name / Credentials Updated June 07, 2012

Recorded as GREIGSTONE YEARWOOD, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 07, 2012

Internal Medicine (License #MD07911 in RI)

🟢

Initial NPI Registration & Enumeration April 26, 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: 1689631640

Entity Type:

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

Enumeration Date: April 26, 2006

Last Update: July 16, 2026

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

191 Social St Ste 840

Woonsocket, RI 028953213

Phone: 4017622535

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.