Active NPI 1841486149 Individual Practitioner Male Practitioner

Dr. David R Marks , MD

Internal Medicine • Ansonia, CT

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. David Marks, MD is a certified Internal Medicine practicing in Ansonia, CT. With approximately 42 years of clinical experience since graduating from Yale University School Of Medicine in 1984, Dr. Marks delivers high-quality medical care to the local community at 111 WAKELEE AVE.

Dr. Marks maintains professional affiliations with Rehabilitation Associates Inc, Griffin Faculty Physicians 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, 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. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

111 Wakelee Ave

Ansonia, CT 064011151

Telephone 2033082781

Fax 2033082726

Associated Practice Facility / Clinic

🏢 Griffin Faculty Physicians, Inc. Facility NPI 1598755605

Medicare Profile & Education

Medical School

Yale University School Of Medicine

Graduation Year

1984

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Ansonia, CT

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

42 Yrs +10.9 yrs vs City Avg

City Avg: 31.1 Yrs

State Avg: 30.4 Yrs

Regional Practice Density

10 Specialists

Practicing in Ansonia, CT (2753 Statewide)

Telehealth Adoption Rate

30.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

33.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Marks (42 Years) 42 Yrs

Ansonia Specialty Average (31.1 Years) 31.1 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
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	244	26	$75.00	$67.46
99213 Established patient office or other outpatient visit, typically 15 minutes	163	102	$165.00	$97.16
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	120	71	$25.00	$17.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	98	66	$250.00	$138.63
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	96	96	$185.00	$142.08
G0444 Annual depression screening, 5 to 15 minutes	74	74	$25.00	$20.89
36415 Insertion of needle into vein for collection of blood sample	64	53	$20.00	$8.65
93000 Routine ekg using at least 12 leads including interpretation and report	18	16	$50.00	$15.51
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	16	16	$325.00	$288.63
G0009 Administration of pneumococcal vaccine	16	16	$65.00	$33.90
99495 Transitional care management services for problem of at least moderate complexity	13	13	$286.54	$224.13
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$100.00	$61.31
G0296 Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making)	13	13	$75.00	$29.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	11	11	$350.00	$180.53
G0008 Administration of influenza virus vaccine	11	11	$44.00	$33.90

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	333	45	$75.00	$66.13
99213 Established patient office or other outpatient visit, typically 15 minutes	151	105	$165.00	$95.35
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	96	69	$250.00	$134.41
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	79	79	$185.00	$137.33
G0444 Annual depression screening, 5 to 15 minutes	67	67	$25.00	$19.90
36415 Insertion of needle into vein for collection of blood sample	52	39	$20.00	$8.40
99495 Transitional care management services for problem of at least moderate complexity	21	20	$275.00	$217.83
G0009 Administration of pneumococcal vaccine	16	16	$65.00	$32.50
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use	16	16	$319.38	$280.62
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$50.00	$15.52
G0008 Administration of influenza virus vaccine	11	11	$44.00	$32.50

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	447	65	$74.95	$68.41
99213 Established patient office or other outpatient visit, typically 15 minutes	159	107	$165.00	$96.83
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	105	105	$185.00	$142.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	101	68	$250.00	$135.83
G0444 Annual depression screening, 5 to 15 minutes	87	87	$25.00	$20.34
36415 Insertion of needle into vein for collection of blood sample	74	58	$20.00	$2.96
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	$120.00	$57.76
G0009 Administration of pneumococcal vaccine	19	19	$65.00	$32.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	16	16	$100.00	$60.55
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$50.00	$15.07
83036 Hemoglobin A1C level	15	15	$20.00	$9.61
99495 Transitional care management services for problem of at least moderate complexity	12	12	$275.00	$224.79

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	204	116	$165.00	$99.76
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	192	60	$75.00	$44.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	123	78	$250.00	$141.44
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	88	88	$185.00	$144.77
G0444 Annual depression screening, 5 to 15 minutes	34	34	$25.00	$20.71
36415 Insertion of needle into vein for collection of blood sample	32	29	$20.00	$3.00
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	31	31	$350.00	$182.33
G0008 Administration of influenza virus vaccine	24	24	$44.00	$18.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	24	$100.00	$61.67
83036 Hemoglobin A1C level	23	21	$20.00	$9.71
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	18	18	$75.00	$65.83
93000 Routine ekg using at least 12 leads including interpretation and report	17	17	$50.00	$16.29
99496 Transitional care management services for problem of high complexity	17	16	$420.00	$305.23
99495 Transitional care management services for problem of at least moderate complexity	15	14	$275.00	$225.47
G0009 Administration of pneumococcal vaccine	15	15	$65.00	$18.49
81002 Urinalysis, manual test	14	14	$10.00	$3.48
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	14	14	$175.00	$124.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	242	132	$165.00	$80.99
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	149	96	$250.00	$119.06
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	72	72	$185.00	$126.96
G0444 Annual depression screening, 5 to 15 minutes	50	50	$25.00	$20.10
G0009 Administration of pneumococcal vaccine	31	31	$65.00	$18.22
G0008 Administration of influenza virus vaccine	30	30	$44.00	$18.27
99442 Telephone medical discussion with physician, 11-20 minutes	28	22	$81.43	$80.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$350.00	$179.67
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	24	24	$175.00	$117.92
83036 Hemoglobin A1C level	21	20	$20.00	$9.64
93000 Routine ekg using at least 12 leads including interpretation and report	15	14	$50.00	$18.96
96127 Assessment of emotional or behavioral problems	14	14	$25.00	$5.67
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	14	12	$100.00	$50.23
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage	14	14	$75.00	$61.00
90756 Vaccine for influenza for injection into muscle	11	11	$45.00	$27.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	244	118	$165.00	$78.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	165	115	$250.00	$113.04
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	62	62	$185.00	$124.50
G0444 Annual depression screening, 5 to 15 minutes	48	48	$22.71	$19.50
G0008 Administration of influenza virus vaccine	42	40	$44.00	$17.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	35	29	$350.00	$154.77
G0009 Administration of pneumococcal vaccine	34	33	$65.00	$17.96
83036 Hemoglobin A1C level	28	24	$16.96	$10.57
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	27	27	$44.00	$17.48
36415 Insertion of needle into vein for collection of blood sample	24	23	$20.00	$2.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$350.00	$176.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$100.00	$48.95
90670 Pneumococcal vaccine for injection into muscle	20	20	$265.00	$205.76
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	17	17	$161.76	$111.56
93000 Routine ekg using at least 12 leads including interpretation and report	17	16	$50.00	$18.52
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	13	12	$35.00	$15.83
81002 Urinalysis, manual test	11	11	$10.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	189	121	$162.41	$75.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	154	98	$248.44	$110.81
96127 Assessment of emotional or behavioral problems	76	69	$20.00	$7.14
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	56	56	$185.00	$125.55
G0008 Administration of influenza virus vaccine	46	46	$44.00	$22.26
G0009 Administration of pneumococcal vaccine	37	37	$65.00	$22.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	29	28	$99.66	$47.53
90732 Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older	28	28	$117.86	$96.27
36415 Insertion of needle into vein for collection of blood sample	26	20	$20.00	$2.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	25	25	$336.80	$171.54
90756 Vaccine for influenza for injection into muscle	24	24	$45.00	$22.33
G0444 Annual depression screening, 5 to 15 minutes	21	21	$20.00	$19.48
80307 Testing for presence of drug, by chemistry analyzers	17	12	$160.00	$70.39
93000 Routine ekg using at least 12 leads including interpretation and report	16	15	$51.88	$18.50
90653 Vaccine for influenza for injection into muscle	15	15	$75.00	$53.29
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	13	13	$350.00	$152.56
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	13	12	$120.00	$53.51
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$231.36	$116.65

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	243	$151.36	$107.10
80307 Testing for presence of drug, by chemistry analyzers	113	31	$158.41	$52.57
99213 Established patient office or other outpatient visit, typically 15 minutes	68	52	$136.46	$73.46
G0008 Administration of influenza virus vaccine	17	17	$43.18	$27.77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	15	15	$182.00	$120.61
Q2036 Influenza virus vaccine, split virus, when administered to individuals 3 years of age and older, for intramuscular use (flulaval)	11	11	$44.00	$17.48

Medical Specialties & State Licenses

CMS Verified: 2020-12-07

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License CT 032912

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.

Preventive Medicine - Addiction Medicine

NUCC Taxonomy Code: 2083A0300X

State License CT 032912

A physician engaged in the subspecialty practice of Addiction Medicine who specializes in the prevention, evaluation, diagnosis, treatment, and recovery of persons with the disease of addiction.

Hospital & Practice Group Affiliations

Griffin Faculty Physicians Inc

130 Division St, Derby, CT 064181326

Phone: 2037321330

Rehabilitation Associates Inc

1931 Black Rock Tpke, Fairfield, CT 068253506

Phone: 2033848681

Practice Associates & Co-Workers

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

5 Associated Practitioners

Gena Borgman , APRN

Nurse Practitioner - Family

NPI 1164700092

Advanced Practice Registered Nurse

Joanna Reslink , APRN

Nurse Practitioner - Family

NPI 1184134256

Advanced Practice Registered Nurse

Dr. Aisha Khan , MD

Internal Medicine

NPI 1265939540

Doctor of Medicine (M.D.)

Dr. Veronica Balbuena Hurtado , MD

Internal Medicine

NPI 1700522703

Doctor of Medicine (M.D.)

Dr. Unknown Bilori , MD

Internal Medicine

NPI 1760762090

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location October 12, 2018

Registered at 111 WAKELEE AVE, ANSONIA, CT 064011151 (Tel: 2033082781)

📍

Updated Business Mailing Address October 12, 2018

Registered at 67 MAPLE AVE, DERBY, CT 064181328 (Tel: 2037321330)

✅

NPI Profile Active January 17, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location January 17, 2013

Registered at 539 DANBURY RD, WILTON, CT 068972216 (Tel: 8556322526)

📍

Updated Business Mailing Address January 17, 2013

Registered at 539 DANBURY RD, WILTON, CT 068972216 (Tel: 8556322526)

👤

Provider Name / Credentials Updated January 17, 2013

Recorded as DAVID MARKS, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 17, 2013

Internal Medicine (License #032912 in CT)

🟢

Initial NPI Registration & Enumeration September 20, 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: 1841486149

Entity Type:

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

Enumeration Date: September 20, 2007

Last Update: December 07, 2020

Sole Proprietor: No

Update or Correct Profile

Mailing Address

67 Maple Ave

Derby, CT 064181328

Phone: 2037321330

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.