Active NPI 1669440210 Individual Practitioner Female Practitioner

Maria E Gregory , PA-C

Physician Assistant • Columbia, MD

✓ Accepts Medicare Assignment

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Maria Gregory, PA-C is a registered Physician Assistant practitioner in Columbia, MD. With approximately 39 years of clinical practice since graduating from George Washington University School Of Medicine in 1987, Maria Gregory provides healthcare services at the registered practice location at 10710 CHARTER DR.

Maria Gregory is affiliated with Johns Hopkins Regional Physicians Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days, remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days, evaluation of cardiac rhythm monitor system, remote up to 30 days. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

10710 Charter Dr
Suite 400

Columbia, MD 210442858

Telephone 4109977979

Fax 4109979231

Associated Practice Facility / Clinic

🏢 Central Maryland Urology Associates P A Facility NPI 1437102035

Medicare Profile & Education

Medical School

George Washington University School Of Medicine

Graduation Year

1987

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Columbia, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

39 Yrs +24.2 yrs vs City Avg

City Avg: 14.8 Yrs

State Avg: 11.8 Yrs

Regional Practice Density

76 Specialists

Practicing in Columbia, MD (3255 Statewide)

Telehealth Adoption Rate

18.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

61.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Gregory (39 Years) 39 Yrs

Columbia Specialty Average (14.8 Years) 14.8 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
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	1,355	484	$80.00	$22.61
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	1,060	380	$80.00	$25.32
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	358	74	$75.00	$73.89
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	323	215	$300.00	$113.15
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	300	108	$150.00	$31.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	1,125	406	$80.00	$24.65
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	832	306	$80.00	$26.66
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	304	215	$300.00	$115.06
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	298	100	$150.00	$32.52
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	273	58	$75.00	$23.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$375.00	$111.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	730	325	$80.00	$25.83
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	551	243	$80.00	$27.02
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	298	221	$268.96	$115.93
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	208	54	$75.00	$23.66
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	182	83	$150.00	$33.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	522	256	$80.00	$28.58
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	393	171	$80.00	$27.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	284	220	$250.00	$120.50
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	236	46	$66.57	$24.50
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	166	89	$150.00	$34.64
93280 Programming of dual lead pacemaker system	94	87	$150.00	$73.59
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician	66	65	$300.00	$66.57
93284 Programming of multiple lead implantable defibrillator system	30	24	$225.00	$97.28
99443 Telephone medical discussion with physician, 21-30 minutes	28	25	$160.00	$120.65
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	25	24	$125.00	$61.56
93282 Programming of single lead implantable defibrillator system	24	22	$160.00	$73.00
93283 Programming of dual lead implantable defibrillator system	18	16	$200.00	$91.42
93000 Routine ekg using at least 12 leads including interpretation and report	15	15	$70.00	$13.82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$300.00	$124.37

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	500	247	$80.00	$28.84
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	354	165	$80.00	$29.25
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	259	50	$65.00	$25.66
93280 Programming of dual lead pacemaker system	206	159	$150.00	$67.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	184	161	$250.00	$100.95
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	147	86	$150.00	$35.80
93000 Routine ekg using at least 12 leads including interpretation and report	90	90	$70.00	$15.99
93284 Programming of multiple lead implantable defibrillator system	58	32	$225.00	$92.26
93282 Programming of single lead implantable defibrillator system	55	35	$160.00	$68.44
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	46	37	$125.00	$56.70
93283 Programming of dual lead implantable defibrillator system	27	18	$200.00	$86.10
99443 Telephone medical discussion with physician, 21-30 minutes	23	20	$160.00	$101.67
93281 Programming of multiple lead pacemaker system	20	12	$175.00	$71.08
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$300.00	$127.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	512	206	$80.00	$28.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	402	303	$200.00	$99.82
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	315	129	$80.00	$28.07
93280 Programming of dual lead pacemaker system	236	169	$150.00	$59.69
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	209	41	$65.00	$24.16
93299 Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days	202	39	$115.00	$47.31
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	198	79	$150.00	$40.89
93000 Routine ekg using at least 12 leads including interpretation and report	149	145	$70.00	$15.79
93282 Programming of single lead implantable defibrillator system	72	34	$160.00	$61.87
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	61	36	$125.00	$50.84
93284 Programming of multiple lead implantable defibrillator system	57	35	$225.00	$84.14
93283 Programming of dual lead implantable defibrillator system	37	23	$200.00	$77.68
93281 Programming of multiple lead pacemaker system	24	11	$175.00	$64.37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	14	11	$150.00	$66.22

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	475	179	$80.00	$29.26
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	361	262	$200.00	$97.67
93280 Programming of dual lead pacemaker system	289	189	$150.00	$52.98
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	266	109	$80.00	$27.72
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	228	40	$65.00	$24.16
93299 Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days	226	40	$115.00	$46.56
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	209	71	$150.00	$50.30
93000 Routine ekg using at least 12 leads including interpretation and report	119	111	$70.00	$15.51
93282 Programming of single lead implantable defibrillator system	80	34	$160.00	$55.42
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	70	44	$125.00	$44.91
93284 Programming of multiple lead implantable defibrillator system	60	32	$225.00	$77.20
93283 Programming of dual lead implantable defibrillator system	56	28	$200.00	$70.66
93281 Programming of multiple lead pacemaker system	29	14	$175.00	$57.48
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$300.00	$123.21
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	16	14	$150.00	$65.50

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days	377	150	$80.00	$28.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	280	198	$200.09	$96.94
93280 Programming of dual lead pacemaker system	257	168	$150.00	$52.79
93298 Evaluation of cardiac rhythm monitor system, remote up to 30 days	256	41	$65.00	$24.03
93299 Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days	254	41	$115.00	$46.31
93294 Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days	186	83	$80.00	$30.37
93295 Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days	166	67	$150.00	$60.81
93000 Routine ekg using at least 12 leads including interpretation and report	104	100	$70.00	$15.44
93282 Programming of single lead implantable defibrillator system	76	35	$160.00	$57.27
93279 Evaluation, testing, and programming adjustment of permanent single lead pacemaker system with physician analysis, review, and report	63	41	$125.00	$45.46
93284 Programming of multiple lead implantable defibrillator system	62	28	$225.00	$81.82
93283 Programming of dual lead implantable defibrillator system	56	24	$200.00	$73.86
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	25	20	$150.00	$64.45
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	21	$300.00	$122.49

Medical Specialties & State Licenses

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License MD C01085

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Johns Hopkins Regional Physicians Llc

1300 York Rd, Lutherville Timonium, MD 210936090

Phone: 4432751337

Johns Hopkins Regional Physicians Llc

10710 Charter Dr, Columbia, MD 210443276

Phone: 4109977979

Practice Associates & Co-Workers

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

17 Associated Practitioners

Dr. Jack Mcwatters , MD

Specialist

NPI 1083681118

Doctor of Medicine (M.D.)

Dr. Daniel Kim , MD

Internal Medicine - Cardiovascular Disease

NPI 1134418874

Doctor of Medicine (M.D.)

Linda Perline , PA-C

Physician Assistant

NPI 1194793109

Physician Assistant (Certified)

Dr. Keith Friedman , MD

Internal Medicine - Cardiovascular Disease

NPI 1194793877

Doctor of Medicine (M.D.)

Dr. George Groman , MD

Specialist

NPI 1255308201

Doctor of Medicine (M.D.)

Dr. Michael Silverman , MD

Specialist

NPI 1255309977

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 09, 2009

NPI status registered as active in NPPES database

📍

Updated Practice Location September 09, 2009

Registered at 10710 CHARTER DR, SUITE 400, COLUMBIA, MD 210442858 (Tel: 4109977979)

📍

Updated Business Mailing Address September 09, 2009

Registered at 10710 CHARTER DR, SUITE 400, COLUMBIA, MD 210442858 (Tel: 4109977979)

👤

Provider Name / Credentials Updated September 09, 2009

Recorded as MARIA GREGORY, PA-C

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 09, 2009

Physician Assistant (License #C01085 in MD)

🟢

Initial NPI Registration & Enumeration March 09, 2006

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: 1669440210

Entity Type:

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

Enumeration Date: March 09, 2006

Last Update: September 09, 2009

Sole Proprietor: No

Update or Correct Profile

Mailing Address

10710 Charter Dr, Suite 400

Columbia, MD 210442858

Phone: 4109977979

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.