Physician Profile
Based in Plano, TX, Mary M. Hammack, MD is listed in the NPI registry under internal medicine. Mary graduated from University of Texas Medical School at San Antonio in 1988. According to Medicare claims data, Mary cared for 5,336 Medicare patients across 12,286 services. The services billed most often include management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes, chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month, and management using the results of remote vital sign monitoring per calendar month, first 20 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
6124 W PARKER RD MOB III SUITE 234
Plano, TX 75093
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
12,286 services · 5,336 patients · 25 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
93 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
195 |
| Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | Office visit | 99458 |
2,266 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
1,235 |
| Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | Office visit | 99457 |
1,138 |
| Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office visit | 99454 |
956 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
680 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
610 |
| Blood test, basic group of blood chemicals (calcium, total) | Lab test | 80048 |
543 |
| Liver function blood test panel | Lab test | 80076 |
507 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hammack is an internist in Plano, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Hammack is listed at 6124 W Parker Rd Mob Iii Suite 234, Plano, TX 75093. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (972) 981-7500. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Hammack's National Provider Identifier is 1871501874. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Hammack attended University of Texas Medical School at San Antonio, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hammack has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hammack performs imaging including dxa bone density measurement of hip, pelvis, spine; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hammack. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.