Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1871501874 Individual Practitioner Female Practitioner

Dr. Mary M Hammack , MD

Internal Medicine • Plano, TX

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Mary Hammack, MD is a certified Internal Medicine practicing in Plano, TX. With approximately 38 years of clinical experience since graduating from University Of Texas Medical School At San Antonio in 1988, Dr. Hammack delivers high-quality medical care to the local community at 6124 W PARKER RD.

Dr. Hammack is affiliated with Internal Medicine Associates Of Plano Pa and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver;, chronic care management services for two or more chronic conditions, additional, management using the results of remote vital sign monitoring per calendar month, first. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

6124 W Parker Rd
Mob Iii Suite 234

Plano, TX 750938124

Telephone 9729817500
Fax 9729813600
Associated Practice Facility / Clinic
🏢 Michael A Deck Md Pa Facility NPI 1053373894

Medicare Profile & Education

Medical School

University Of Texas Medical School At San Antonio

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Plano, TX

Senior Veteran Specialist (>20 Yrs)
Practitioner Clinical Experience
38 Yrs +14.0 yrs vs City Avg
City Avg: 24.0 Yrs
State Avg: 26.2 Yrs
Regional Practice Density
211 Specialists

Practicing in Plano, TX (9538 Statewide)

Telehealth Adoption Rate
28.9% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
44.9% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hammack (38 Years) 38 Yrs
Plano Specialty Average (24.0 Years) 24.0 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
99458 Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; each additional 20 minute
2,266 110 $85.00 $37.53
99439 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
1,235 78 $100.00 $45.66
99457 Management using the results of remote vital sign monitoring per calendar month, first 20 minutes
1,138 115 $110.00 $46.46
99454 Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days
956 114 $115.00 $43.82
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month
680 78 $49.34 $48.57
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
610 365 $140.67 $115.65
80048 Blood test, basic group of blood chemicals (calcium, total)
543 383 $25.13 $8.29
80076 Liver function blood test panel
507 375 $15.36 $8.01
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
464 356 $92.35 $7.61
80061 Blood test, lipids (cholesterol and triglycerides)
459 355 $25.35 $13.12
84443 Blood test, thyroid stimulating hormone (TSH)
431 351 $56.36 $16.46
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit
330 330 $191.07 $123.67
99213 Established patient office or other outpatient visit, typically 15 minutes
329 264 $112.49 $84.73
G0444 Annual depression screening, 5 to 15 minutes
312 312 $21.06 $17.86
83036 Hemoglobin A1C level
303 231 $25.32 $9.52
81003 Automated urinalysis test
301 263 $25.00 $2.20
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
257 190 $350.00 $173.38
G0442 Annual alcohol misuse screening, 5 to 15 minutes
247 247 $21.42 $17.84
84439 Thyroxine (thyroid chemical), free
234 187 $18.23 $8.84
93000 Routine ekg using at least 12 leads including interpretation and report
195 191 $19.70 $13.66
82570 Creatinine level to test for kidney function or muscle injury
151 136 $30.78 $5.08
77080 Dxa bone density measurement of hip, pelvis, spine
93 92 $48.55 $36.38
82728 Ferritin (blood protein) level
82 66 $67.72 $13.36
G0008 Administration of influenza virus vaccine
82 82 $77.98 $31.09
83540 Iron level
81 65 $24.62 $6.34
90662 Influenza vaccine split virus, preservative free
81 81 $116.65 $81.45
83550 Iron binding capacity
81 65 $36.94 $8.57
G0103 Prostate cancer screening; prostate specific antigen test (psa)
73 73 $30.89 $18.92
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
57 53 $25.93 $15.77
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
44 17 $48.64 $39.70
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more
42 42 $242.39 $214.18
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
38 38 $431.61 $159.61
81002 Urinalysis, manual test
24 21 $18.47 $3.41
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use
22 22 $426.63 $291.24
G0009 Administration of pneumococcal vaccine
22 22 $77.98 $31.03
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
21 21 $62.80 $50.90
84550 Uric acid level, blood
18 15 $43.09 $4.43
84153 Psa (prostate specific antigen) measurement, total
12 12 $92.34 $18.02
84403 Testosterone (hormone) level, total
12 11 $92.34 $25.29
99495 Transitional care management services for problem of at least moderate complexity
11 11 $191.96 $183.90
90471 Administration of 1 vaccine
11 11 $23.82 $19.58

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX H6269

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
116942701 (TX)
Commercial Insurance / Payer ID Railroad Medicare Ptan
P00644332 (TX)
Commercial Insurance / Payer ID Railroad Medicare Group Ptan
DN8858 (TX)
Commercial Insurance / Payer ID Group Npi
1487817151 (TX)
Commercial Insurance / Payer ID Bcbs
8BL891

Hospital & Practice Group Affiliations

Internal Medicine Associates Of Plano Pa

6124 W Parker Rd, Plano, TX 750938124

Phone: 9729817500

Practice Associates & Co-Workers

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

17 Associated Practitioners
Dr. Ami Shah , MD

Family Medicine

NPI 1053373001

Doctor of Medicine (M.D.)

Jennifer Nguyen

Physician Assistant

NPI 1164228508
Dr. Sima Kavand , MD

Internal Medicine

NPI 1316380934

Doctor of Medicine (M.D.)

Kaitlyn Doll

Physician Assistant

NPI 1366205601
NPI 1417926783

Doctor of Medicine (M.D.)

Ashley Mischke , PA-C

Physician Assistant

NPI 1518512904

Physician Assistant (Certified)

Career & Practice History Timeline

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

6 Historical Events
NPI Profile Active December 23, 2008

NPI status registered as active in NPPES database

📍
Updated Practice Location December 23, 2008

Registered at 6124 W PARKER RD, MOB III SUITE 234, PLANO, TX 750938124 (Tel: 9729817500)

📍
Updated Business Mailing Address December 23, 2008

Registered at 6124 W. PARKER RD, SUITE 234 MOB III, PLANO, TX 750938124 (Tel: 9729817500)

👤
Provider Name / Credentials Updated December 23, 2008

Recorded as MARY HAMMACK, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) December 23, 2008

Internal Medicine (License #H6269 in TX)

🟢
Initial NPI Registration & Enumeration August 04, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews
No patient reviews submitted yet for Dr. Mary Hammack. Be the first to share your experience!

Sign in to leave a review for Dr. Mary Hammack

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1871501874
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 04, 2006
Last Update: December 23, 2008
Sole Proprietor: No

Mailing Address

6124 W. Parker Rd, Suite 234 Mob Iii

Plano, TX 750938124

Phone: 9729817500

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.