Deactivated NPI 1336142777 Deactivated / Inactive NPI Male Practitioner

Dr. Dennis Sager , MD

Internal Medicine • Reston, VA

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Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Dennis Sager has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date May 31, 2005

NPI Deactivation Date March 26, 2026

Total Practice Duration ~21 Years of Practice (2005 – 2026)

Professional Overview & Biography Verified Profile Summary

Dr. Dennis Sager, MD was a registered Internal Medicine practicing in Reston, VA. Throughout an active medical career spanning 21 years, Dr. Sager provided care at the practice location at 1800 TOWN CENTER DR until profile deactivation on 2026-03-26.

Historical Medicare Part B clinical services included 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, insertion of needle into vein for collection of blood sample, established patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

1800 Town Center Dr
Ste 118

Reston, VA 201903200

Telephone 7034715340

Fax 7034376177

Associated Practice Facility / Clinic

🏢 Dermatology Specialists Of Virginia Pc Facility NPI 1083688238

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Reston, VA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 30.7 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

61 Specialists

Practicing in Reston, VA (3758 Statewide)

Telehealth Adoption Rate

21.3% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

10.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

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
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	110	66	$17.00	$16.87
36415 Insertion of needle into vein for collection of blood sample	106	58	$5.00	$4.90
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	84	55	$220.00	$199.11
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	57	$160.00	$139.52
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	65	65	$160.00	$144.36
99213 Established patient office or other outpatient visit, typically 15 minutes	50	40	$110.00	$101.35
93000 Routine ekg using at least 12 leads including interpretation and report	22	21	$25.00	$16.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	104	60	$220.00	$202.28
36415 Insertion of needle into vein for collection of blood sample	96	65	$5.00	$4.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	59	$160.00	$144.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	69	69	$160.00	$148.20
99213 Established patient office or other outpatient visit, typically 15 minutes	64	49	$110.00	$101.10
93000 Routine ekg using at least 12 leads including interpretation and report	29	29	$25.00	$16.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	81	56	$5.00	$2.96
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	75	59	$160.00	$147.27
99213 Established patient office or other outpatient visit, typically 15 minutes	71	51	$110.00	$106.22
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	63	42	$220.00	$206.26
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	56	56	$160.00	$152.71
93000 Routine ekg using at least 12 leads including interpretation and report	24	23	$25.00	$16.98

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	89	62	$157.75	$151.02
36415 Insertion of needle into vein for collection of blood sample	81	52	$5.00	$3.00
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	63	63	$158.73	$155.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	61	42	$215.41	$209.41
99213 Established patient office or other outpatient visit, typically 15 minutes	56	43	$109.29	$107.10
93000 Routine ekg using at least 12 leads including interpretation and report	24	23	$25.00	$17.76
0004A Fee covid-19 vac 1 res	16	16	$47.10	$47.10

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	89	65	$150.00	$126.57
99213 Established patient office or other outpatient visit, typically 15 minutes	65	45	$100.00	$87.15
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	55	44	$200.00	$169.31
36415 Insertion of needle into vein for collection of blood sample	50	39	$5.00	$2.96
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	41	41	$150.00	$135.53
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$25.00	$20.29
G0008 Administration of influenza virus vaccine	14	14	$30.00	$19.31
90662 Influenza vaccine split virus, preservative free	13	13	$61.46	$59.11

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	147	73	$5.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	124	76	$100.00	$84.82
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	103	68	$150.00	$123.73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	59	59	$150.00	$132.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	44	35	$200.00	$165.25
G0008 Administration of influenza virus vaccine	38	37	$30.00	$19.06
90662 Influenza vaccine split virus, preservative free	38	37	$57.84	$54.75
93000 Routine ekg using at least 12 leads including interpretation and report	22	21	$25.00	$19.79
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	20	20	$220.00	$194.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
36415 Insertion of needle into vein for collection of blood sample	216	120	$5.00	$2.94
99213 Established patient office or other outpatient visit, typically 15 minutes	154	93	$100.00	$76.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	146	99	$150.00	$112.87
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit	74	74	$220.00	$178.47
G0008 Administration of influenza virus vaccine	64	64	$30.00	$23.72
90662 Influenza vaccine split virus, preservative free	63	63	$54.24	$51.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	51	40	$200.00	$151.33
93000 Routine ekg using at least 12 leads including interpretation and report	35	33	$25.00	$18.16

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	268	161	$284.46	$118.90
99213 Established patient office or other outpatient visit, typically 15 minutes	255	135	$187.71	$81.29
36415 Insertion of needle into vein for collection of blood sample	129	103	$6.77	$2.92
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	124	84	$376.90	$161.48
93000 Routine ekg using at least 12 leads including interpretation and report	72	64	$55.25	$19.52
G0008 Administration of influenza virus vaccine	65	64	$59.11	$29.54
90662 Influenza vaccine split virus, preservative free	64	63	$69.88	$45.82
99354 Prolonged office or other outpatient service first hour	16	14	$277.00	$143.24
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	13	13	$120.38	$49.70

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License VA 0101033182

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Alan Joshua , MD

Internal Medicine - Nephrology

NPI 1386605806

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

⚠️

NPI Profile Deactivated March 26, 2026

Record deactivated on March 26, 2026

📍

Updated Practice Location February 29, 2020

Registered at 1800 TOWN CENTER DR, STE 313, RESTON, VA 201903200 (Tel: 7034715340)

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Updated Business Mailing Address February 29, 2020

Registered at 1800 TOWN CENTER DR, STE 313, RESTON, VA 201903200 (Tel: 7034715340)

✅

NPI Profile Active November 20, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location November 20, 2008

Registered at 1800 TOWN CENTER DR, STE 118, RESTON, VA 201903200 (Tel: 7034715340)

📍

Updated Business Mailing Address November 20, 2008

Registered at 1800 TOWN CENTER DR, STE 118, RESTON, VA 201903200 (Tel: 7034715340)

👤

Provider Name / Credentials Updated November 20, 2008

Recorded as DENNIS SAGER, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2008

Internal Medicine (License #0101033182 in VA)

🟢

Initial NPI Registration & Enumeration May 31, 2005

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: 1336142777

Entity Type:

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

Enumeration Date: May 31, 2005

Last Update: November 20, 2008

Deactivation Date: March 26, 2026

Update or Correct Profile

Mailing Address

1800 Town Center Dr, Ste 118

Reston, VA 201903200

Phone: 7034715340

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.