Active NPI 1104858851 Individual Practitioner Female Practitioner

Dr. Ruili Gu , MD

Internal Medicine • Danvers, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Ruili Gu, MD is a certified Internal Medicine practicing in Danvers, MA. With approximately 40 years of clinical experience since completing medical education in 1986, Dr. Gu delivers high-quality medical care to the local community at 1 HUTCHINSON DR.

Dr. Gu is affiliated with Mass General Brigham Medical Group Northern Massachusetts Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include established patient outpatient office visit, annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit, annual alcohol misuse screening, 5 to. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

1 Hutchinson Dr

Danvers, MA 019233748

Telephone 9787396950

Fax 9787779274

Associated Practice Facility / Clinic

🏢 Catherine Hertl, M.d., P.c. Facility NPI 1336441344

Medicare Profile & Education

Medical School

Other

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Danvers, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +13.5 yrs vs City Avg

City Avg: 26.5 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

29 Specialists

Practicing in Danvers, MA (7127 Statewide)

Telehealth Adoption Rate

72.4% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

71.8% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gu (40 Years) 40 Yrs

Danvers Specialty Average (26.5 Years) 26.5 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	466	249	$555.09	$129.48
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	199	199	$563.39	$131.11
99213 Established patient office or other outpatient visit, typically 15 minutes	130	99	$394.00	$90.69
G0442 Annual alcohol misuse screening, 5 to 15 minutes	78	78	$84.88	$19.38
G0444 Annual depression screening, 5 to 15 minutes	78	78	$84.82	$19.38
G0008 Administration of influenza virus vaccine	60	60	$138.73	$32.81
90662 Influenza vaccine split virus, preservative free	50	50	$183.42	$81.42
90480 Admn sarscov2 vacc 1 dose	38	38	$188.08	$43.76
91320 Sarscv2 vac 30mcg trs-suc im	38	38	$278.26	$149.58
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing	28	27	$58.00	$6.49
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	20	18	$253.00	$54.37
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	17	17	$665.00	$290.46
G0009 Administration of pneumococcal vaccine	17	17	$137.47	$32.81
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	15	15	$715.00	$165.73
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	11	11	$718.18	$166.92

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	477	265	$544.11	$130.64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	184	184	$555.93	$131.85
99213 Established patient office or other outpatient visit, typically 15 minutes	111	91	$386.35	$90.93
G0008 Administration of influenza virus vaccine	62	62	$133.65	$33.84
90662 Influenza vaccine split virus, preservative free	53	53	$161.53	$71.87
G0009 Administration of pneumococcal vaccine	22	22	$131.18	$33.73
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	20	20	$638.70	$281.68
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	20	17	$253.00	$53.65
99495 Transitional care management services for problem of at least moderate complexity	17	15	$883.76	$209.36
91320 Sarscv2 vac 30mcg trs-suc im	17	17	$281.00	$128.48
90480 Admn sarscov2 vacc 1 dose	17	17	$185.00	$45.13
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$707.15	$168.19
93000 Routine ekg using at least 12 leads including interpretation and report	13	13	$92.00	$14.87
81003 Automated urinalysis test	13	12	$18.00	$2.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$243.25	$58.21
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc	12	12	$193.50	$50.28
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	12	12	$708.33	$168.54

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	468	252	$533.05	$132.91
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	175	175	$545.57	$135.79
99213 Established patient office or other outpatient visit, typically 15 minutes	121	97	$377.40	$93.93
G0008 Administration of influenza virus vaccine	58	57	$111.31	$33.75
90662 Influenza vaccine split virus, preservative free	52	51	$139.31	$68.16
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	43	35	$253.00	$55.13
93000 Routine ekg using at least 12 leads including interpretation and report	28	26	$92.00	$14.89
U0002 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc	17	17	$150.00	$50.58
G0009 Administration of pneumococcal vaccine	15	15	$85.80	$33.96
Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory	14	14	$183.43	$45.45

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	357	215	$473.70	$135.49
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	136	136	$507.00	$138.45
99213 Established patient office or other outpatient visit, typically 15 minutes	114	92	$324.47	$95.76
G0008 Administration of influenza virus vaccine	39	38	$86.00	$19.48
90662 Influenza vaccine split virus, preservative free	31	31	$102.75	$65.12
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	24	21	$253.00	$55.44
93000 Routine ekg using at least 12 leads including interpretation and report	22	22	$87.91	$15.56

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	342	225	$448.29	$114.48
99213 Established patient office or other outpatient visit, typically 15 minutes	167	114	$307.99	$78.09
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$482.35	$121.62
G0008 Administration of influenza virus vaccine	82	81	$108.00	$19.01
90662 Influenza vaccine split virus, preservative free	67	66	$89.30	$60.62
99442 Telephone medical discussion with physician, 11-20 minutes	58	45	$305.52	$78.99
99443 Telephone medical discussion with physician, 21-30 minutes	49	45	$446.55	$113.97
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	32	29	$253.00	$56.09
G0009 Administration of pneumococcal vaccine	24	24	$108.00	$18.90
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	18	18	$210.44	$117.26
99495 Transitional care management services for problem of at least moderate complexity	17	14	$688.00	$194.92
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	15	15	$38.40	$19.52
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	14	11	$171.07	$43.82
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	13	12	$195.00	$43.32

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	446	251	$436.09	$112.90
99213 Established patient office or other outpatient visit, typically 15 minutes	259	163	$297.77	$77.59
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	170	170	$475.48	$121.10
G0008 Administration of influenza virus vaccine	114	112	$108.00	$17.46
90662 Influenza vaccine split virus, preservative free	97	95	$95.21	$54.78
G0009 Administration of pneumococcal vaccine	37	37	$108.00	$18.08
93000 Routine ekg using at least 12 leads including interpretation and report	34	32	$87.00	$17.91
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	32	25	$253.00	$55.63
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination	28	28	$177.14	$40.70
99495 Transitional care management services for problem of at least moderate complexity	25	20	$667.60	$171.27
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	21	21	$216.76	$110.12
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	20	14	$166.70	$43.25
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	17	17	$30.35	$18.65
90670 Pneumococcal vaccine for injection into muscle	16	16	$274.88	$208.52
81003 Automated urinalysis test	15	15	$18.00	$2.44
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	14	12	$102.00	$16.20
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment	13	13	$673.46	$172.68
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$695.69	$178.33

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	463	246	$426.52	$112.47
99213 Established patient office or other outpatient visit, typically 15 minutes	247	161	$291.17	$76.12
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$465.38	$122.09
G0008 Administration of influenza virus vaccine	99	98	$106.79	$23.21
90662 Influenza vaccine split virus, preservative free	81	80	$103.00	$52.14
93000 Routine ekg using at least 12 leads including interpretation and report	55	54	$87.00	$17.89
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	43	37	$253.00	$56.32
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	37	24	$162.57	$43.98
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination	25	25	$171.64	$39.90
G0009 Administration of pneumococcal vaccine	25	25	$104.96	$23.21
99495 Transitional care management services for problem of at least moderate complexity	22	19	$656.18	$171.84
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	18	$25.28	$18.65
81003 Automated urinalysis test	14	12	$18.00	$2.71
90670 Pneumococcal vaccine for injection into muscle	14	14	$253.71	$196.65
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	13	13	$681.15	$179.26
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$227.00	$105.59
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	11	11	$102.00	$16.20

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	502	254	$416.43	$111.10
99213 Established patient office or other outpatient visit, typically 15 minutes	198	148	$282.32	$75.31
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	156	156	$453.96	$119.76
G0008 Administration of influenza virus vaccine	103	102	$102.92	$28.66
90662 Influenza vaccine split virus, preservative free	90	90	$58.96	$48.05
93000 Routine ekg using at least 12 leads including interpretation and report	37	37	$87.00	$17.66
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	25	24	$253.00	$55.77
G0009 Administration of pneumococcal vaccine	23	23	$102.04	$28.66
G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination	22	22	$157.77	$39.75
99495 Transitional care management services for problem of at least moderate complexity	20	19	$642.80	$169.16
90670 Pneumococcal vaccine for injection into muscle	14	14	$253.00	$183.93
81002 Urinalysis, manual test	14	14	$25.00	$3.43
90686 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$26.54	$18.65
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	11	11	$135.00	$87.27

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 150606

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

0159662 (MA)

Commercial Insurance / Payer ID Bcbs Of Ma

J18040 (MA)

Commercial Insurance / Payer ID Aetna

2654764 (MA)

Hospital & Practice Group Affiliations

Mass General Brigham Medical Group Northern Massachusetts Inc

1 Hutchinson Dr, Danvers, MA 019233748

Phone: 9787396950

Practice Associates & Co-Workers

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

9 Associated Practitioners

Christine Call , FNP-C

Nurse Practitioner - Family

NPI 1083420905

Family Nurse Practitioner (Certified)

Dr. James Hickey , MD

Internal Medicine

NPI 1265488076

Doctor of Medicine (M.D.)

Dr. Cerima Durakovic-Seremet , MD

Internal Medicine

NPI 1356397160

Doctor of Medicine (M.D.)

Stephanie Barbeau , NP

Nurse Practitioner

NPI 1417957762

Nurse Practitioner

Dr. Anastasia Koniaris , MD

Obstetrics & Gynecology

NPI 1457576803

Doctor of Medicine (M.D.)

Dr. Kristy Cahill , MD

Internal Medicine

NPI 1528228608

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

11 Historical Events

✅

NPI Profile Active March 29, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 29, 2017

Registered at 1 HUTCHINSON DR, DANVERS, MA 019233748 (Tel: 9787396950)

📍

Updated Business Mailing Address March 29, 2017

Registered at 1 HUTCHINSON DR, DANVERS, MA 019233748 (Tel: 9787396950)

👤

Provider Name / Credentials Updated March 29, 2017

Recorded as RUILI GU, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 29, 2017

Internal Medicine (License #150606 in MA)

✅

NPI Profile Active July 09, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 09, 2007

Registered at 81 HIGHLAND AVE, SALEM, MA 019702714 (Tel: 9787411200)

📍

Updated Business Mailing Address July 09, 2007

Registered at 81 HIGHLAND AVE, SALEM, MA 019702714

👤

Provider Name / Credentials Updated July 09, 2007

Recorded as RUILI GU, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 09, 2007

Internal Medicine (License #150606 in MA)

🟢

Initial NPI Registration & Enumeration July 06, 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: 1104858851

Entity Type:

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

Enumeration Date: July 06, 2006

Last Update: March 29, 2017

Sole Proprietor: No

Update or Correct Profile

Mailing Address

1 Hutchinson Dr

Danvers, MA 019233748

Phone: 9787396950

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.