Active NPI 1831144534 Individual Practitioner Male Practitioner

Dr. Andrew David Merkin , MD

Internal Medicine • Mesquite, TX

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Andrew Merkin, MD is a certified Internal Medicine practicing in Mesquite, TX. With approximately 47 years of clinical experience since graduating from University Of Texas Medical Branch At Galveston in 1979, Dr. Merkin delivers high-quality medical care to the local community at 2692 N GALLOWAY.

Dr. Merkin accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, routine ekg using at least 12 leads including interpretation and report, insertion of needle into vein for collection of blood sample. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2692 N Galloway
Suite 403

Mesquite, TX 75150

Telephone 9726869339

Fax 9726869799

Medicare Profile & Education

Medical School

University Of Texas Medical Branch At Galveston

Graduation Year

1979

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Mesquite, TX

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

47 Yrs +21.0 yrs vs City Avg

City Avg: 26.0 Yrs

State Avg: 26.2 Yrs

Regional Practice Density

36 Specialists

Practicing in Mesquite, TX (9538 Statewide)

Telehealth Adoption Rate

27.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

13.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Merkin (47 Years) 47 Yrs

Mesquite Specialty Average (26.0 Years) 26.0 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
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	94	14	$146.00	$126.13

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	246	29	$146.00	$127.17
93000 Routine ekg using at least 12 leads including interpretation and report	21	15	$37.39	$14.38
36415 Insertion of needle into vein for collection of blood sample	21	15	$10.00	$8.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	21	15	$175.00	$172.30
81002 Urinalysis, manual test	21	15	$15.00	$3.41
82962 Blood glucose (sugar) test performed by hand-held instrument	17	12	$20.00	$3.21
83037 Hemoglobin a1c level, by device for home use	17	12	$35.00	$9.52

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	206	25	$146.03	$129.61
81002 Urinalysis, manual test	35	21	$15.00	$3.44
36415 Insertion of needle into vein for collection of blood sample	35	21	$10.00	$2.97
83037 Hemoglobin a1c level, by device for home use	27	15	$35.00	$9.60
82962 Blood glucose (sugar) test performed by hand-held instrument	27	15	$20.00	$3.24
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	18	$175.00	$173.75
93000 Routine ekg using at least 12 leads including interpretation and report	19	16	$37.39	$14.41

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	261	37	$146.99	$132.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	23	18	$175.00	$175.00
36415 Insertion of needle into vein for collection of blood sample	22	17	$10.00	$3.00
81002 Urinalysis, manual test	22	17	$14.36	$3.37
82962 Blood glucose (sugar) test performed by hand-held instrument	19	14	$20.00	$3.28
83037 Hemoglobin a1c level, by device for home use	19	14	$35.00	$9.71

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	375	49	$130.00	$110.65
36415 Insertion of needle into vein for collection of blood sample	36	29	$10.00	$2.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	33	29	$150.00	$148.40
81002 Urinalysis, manual test	32	26	$15.00	$3.43

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	428	74	$129.28	$105.54
36415 Insertion of needle into vein for collection of blood sample	126	78	$10.00	$2.94
81002 Urinalysis, manual test	96	62	$14.90	$3.41
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	86	64	$148.43	$142.29
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	76	26	$80.00	$70.43
83037 Hemoglobin a1c level, by device for home use	48	29	$35.00	$10.57
82962 Blood glucose (sugar) test performed by hand-held instrument	48	29	$20.00	$3.21
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	47	12	$200.53	$100.71
99238 Hospital discharge day management, 30 minutes or less	37	30	$85.00	$70.87
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	26	$226.56	$196.05
93000 Routine ekg using at least 12 leads including interpretation and report	16	12	$37.39	$16.62
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$225.00	$192.56

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	453	70	$110.00	$102.29
36415 Insertion of needle into vein for collection of blood sample	126	68	$10.00	$2.94
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	103	27	$80.00	$68.86
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	94	61	$150.00	$138.14
81002 Urinalysis, manual test	90	48	$15.00	$3.41
82962 Blood glucose (sugar) test performed by hand-held instrument	65	34	$20.00	$3.21
83037 Hemoglobin a1c level, by device for home use	63	33	$35.00	$11.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	35	29	$225.00	$191.91
99238 Hospital discharge day management, 30 minutes or less	35	30	$85.00	$69.29

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	496	81	$110.00	$100.96
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	126	39	$80.00	$67.62
36415 Insertion of needle into vein for collection of blood sample	112	73	$10.00	$2.94
81002 Urinalysis, manual test	78	55	$15.00	$3.43
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	77	57	$150.12	$136.03
82962 Blood glucose (sugar) test performed by hand-held instrument	53	36	$20.00	$3.15
83037 Hemoglobin a1c level, by device for home use	53	36	$35.00	$13.05
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	47	38	$220.32	$186.35
99238 Hospital discharge day management, 30 minutes or less	44	31	$85.00	$68.03
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	37	12	$193.24	$97.70
90656 Vaccine for influenza for administration into muscle, 0.5 ml dosage	31	31	$30.00	$18.86
G0008 Administration of influenza virus vaccine	30	30	$30.00	$25.56
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	19	19	$221.05	$190.83
93000 Routine ekg using at least 12 leads including interpretation and report	16	15	$37.39	$15.90

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License TX F4278

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

139078303 (TX)

Practice Associates & Co-Workers

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

1 Associated Practitioners

Dr. Michael Ellman , MD

Specialist

NPI 1245339977

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 15, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location September 15, 2008

Registered at 2692 N GALLOWAY, SUITE 403, MESQUITE, TX 75150 (Tel: 9726869339)

📍

Updated Business Mailing Address September 15, 2008

Registered at 2692 N GALLOWAY, SUITE 403, MESQUITE, TX 75150 (Tel: 9726869339)

👤

Provider Name / Credentials Updated September 15, 2008

Recorded as ANDREW MERKIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 15, 2008

Internal Medicine (License #F4278 in TX)

🟢

Initial NPI Registration & Enumeration May 23, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1831144534

Entity Type:

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

Enumeration Date: May 23, 2006

Last Update: September 15, 2008

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

2692 N Galloway, Suite 403

Mesquite, TX 75150

Phone: 9726869339

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.