Dr. William Mark Armstrong , MD
Internal Medicine • Dallas, TX
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. William Armstrong has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. William Armstrong, MD was a registered Internal Medicine practicing in Dallas, TX. Throughout an active medical career spanning 12 years, Dr. Armstrong provided care at the practice location at 3434 SWISS AVE until profile deactivation on 2018-06-18.
Historical Medicare Part B clinical services included insertion of needle into vein for collection of blood sample, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Public procedure reimbursement records and service volume details are provided below for historical transparency.
Practice Location & Contact Primary Location
3434 Swiss Ave
Suite 420
Dallas, TX 752046251
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Dallas, TX
Practicing in Dallas, TX (9538 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
36415
Insertion of needle into vein for collection of blood sample
|
754 | 469 | $17.00 | $2.94 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
522 | 403 | $105.00 | $73.37 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
518 | 352 | $170.00 | $107.34 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
349 | 45 | $110.00 | $72.28 |
|
G0439
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
|
329 | 329 | $117.83 | $115.15 |
|
85025
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
|
224 | 203 | $32.00 | $10.41 |
|
81001
Manual urinalysis test with examination using microscope, automated
|
186 | 176 | $22.00 | $4.26 |
|
80053
Blood test, comprehensive group of blood chemicals
|
181 | 175 | $80.00 | $12.58 |
|
80061
Blood test, lipids (cholesterol and triglycerides)
|
159 | 157 | $83.00 | $12.97 |
|
84443
Blood test, thyroid stimulating hormone (TSH)
|
147 | 143 | $86.00 | $22.45 |
|
G0008
Administration of influenza virus vaccine
|
135 | 135 | $26.50 | $25.56 |
|
90662
Influenza vaccine split virus, preservative free
|
123 | 123 | $45.50 | $44.59 |
|
93010
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
|
78 | 77 | $30.00 | $8.53 |
|
71020
X-ray of chest, 2 views, front and side
|
54 | 49 | $75.00 | $28.17 |
|
G0009
Administration of pneumococcal vaccine
|
51 | 51 | $26.50 | $25.56 |
|
99239
Hospital discharge day management, more than 30 minutes
|
41 | 27 | $195.00 | $107.82 |
|
83036
Hemoglobin A1C level
|
37 | 37 | $42.00 | $13.05 |
|
93000
Routine ekg using at least 12 leads including interpretation and report
|
35 | 31 | $50.00 | $17.06 |
|
99211
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional
|
29 | 20 | $45.00 | $20.40 |
|
90670
Pneumococcal vaccine for injection into muscle
|
28 | 28 | $210.71 | $186.36 |
|
99212
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more
|
26 | 18 | $80.00 | $43.85 |
|
90732
Vaccine for pneumococcal polysaccharide for injection beneath the skin or into muscle, patient 2 years or older
|
24 | 24 | $90.00 | $88.20 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
23 | 19 | $315.00 | $202.71 |
|
99496
Transitional care management services for problem of high complexity
|
22 | 20 | $583.00 | $231.84 |
|
99215
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
|
22 | 21 | $245.00 | $144.76 |
|
84153
Psa (prostate specific antigen) measurement, total
|
22 | 22 | $85.00 | $24.73 |
|
82043
Urine microalbumin (protein) level
|
15 | 15 | $51.00 | $7.49 |
|
G0438
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit
|
15 | 15 | $176.70 | $171.25 |
|
82570
Creatinine level to test for kidney function or muscle injury
|
14 | 14 | $56.00 | $6.96 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
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
Internal Medicine
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on June 18, 2018
NPI status registered as active in NPPES database
Registered at 3434 SWISS AVE, SUITE 420, DALLAS, TX 752046251 (Tel: 2148285020)
Registered at 3434 SWISS AVE, SUITE 420, DALLAS, TX 752046251 (Tel: 2148285020)
Recorded as WILLIAM ARMSTRONG, M.D.
Internal Medicine (License #E2973 in TX)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
3434 Swiss Ave, Suite 420
Dallas, TX 752046251
Phone: 2148285020
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.