Active NPI 1083650253 Individual Practitioner Male Practitioner

Dr. David George Rorison , MD

Emergency Medicine • Pasadena, MD

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. David Rorison, MD is a certified Emergency Medicine practicing in Pasadena, MD. With approximately 45 years of clinical experience since graduating from University Of Maryland School Of Medicine in 1981, Dr. Rorison delivers high-quality medical care to the local community at 8105 RITCHIE HWY.

Dr. Rorison is affiliated with Patient First Maryland Medical Group Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, x-ray of chest, 2 views, 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

8105 Ritchie Hwy

Pasadena, MD 211223905

Telephone 4435730564

Associated Practice Facility / Clinic

🏢 Patient First Maryland Medical Group Pllc Facility NPI 1174786305

Medicare Profile & Education

Medical School

University Of Maryland School Of Medicine

Graduation Year

1981

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Pasadena, MD

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

45 Yrs Matches City Avg

City Avg: 45.0 Yrs

State Avg: 21.1 Yrs

Regional Practice Density

3 Specialists

Practicing in Pasadena, MD (1217 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

63.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Rorison (45 Years) 45 Yrs

Pasadena Specialty Average (45.0 Years) 45.0 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
99213 Established patient office or other outpatient visit, typically 15 minutes	324	312	$205.00	$94.71
71046 X-ray of chest, 2 views	245	238	$95.22	$30.33
36415 Insertion of needle into vein for collection of blood sample	173	169	$13.00	$8.65
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	154	150	$37.00	$7.61
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	153	147	$306.00	$134.00
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	143	143	$248.00	$117.13
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	120	120	$64.00	$34.33
80047 Blood test, basic group of blood chemicals (calcium, ionized)	112	109	$64.00	$13.46
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	90	90	$58.00	$16.20
81000 Manual urinalysis test with examination using microscope, non-automated	76	72	$37.00	$3.94
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	59	59	$103.00	$67.57
81002 Urinalysis, manual test	52	50	$25.00	$3.34
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$352.00	$174.68
73564 X-ray of knee, 4 or more views	39	37	$147.49	$44.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	37	37	$131.46	$59.48
71101 X-ray of ribs on side of body, minimum of 3 views	34	34	$128.59	$38.79
93000 Routine ekg using at least 12 leads including interpretation and report	30	29	$151.00	$15.08
73630 X-ray of foot, minimum of 3 views	27	27	$101.30	$32.03
73030 X-ray of shoulder, minimum of 2 views	26	26	$118.08	$32.62
87804 Detection test by immunoassay with direct visual observation for influenza virus	26	13	$62.00	$16.22
73110 X-ray of wrist, minimum of 3 views	25	25	$134.96	$39.68
73610 X-ray of ankle, minimum of 3 views	20	19	$112.80	$32.27
73130 X-ray of hand, minimum of 3 views	20	20	$109.60	$34.86
73140 X-ray of finger, minimum of 2 views	19	19	$119.63	$37.38
72110 X-ray of lower and sacral spine, minimum of 4 views	19	19	$150.89	$46.99
73502 X-ray of hip, 2-3 views	16	16	$142.63	$46.15
73660 X-ray of toes, minimum of 2 views	15	15	$104.80	$27.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
71046 X-ray of chest, 2 views	331	308	$93.97	$30.65
99213 Established patient office or other outpatient visit, typically 15 minutes	257	247	$204.42	$94.63
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	208	197	$306.00	$133.79
36415 Insertion of needle into vein for collection of blood sample	206	198	$13.00	$8.40
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	197	189	$37.00	$7.61
80047 Blood test, basic group of blood chemicals (calcium, ionized)	129	124	$54.70	$13.46
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	128	126	$82.66	$63.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	126	126	$223.09	$119.35
81000 Manual urinalysis test with examination using microscope, non-automated	94	92	$37.00	$3.94
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	86	86	$323.65	$176.30
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	81	81	$53.56	$16.00
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	78	76	$59.21	$34.32
81002 Urinalysis, manual test	50	50	$25.00	$3.41
73630 X-ray of foot, minimum of 3 views	46	44	$102.83	$32.39
87804 Detection test by immunoassay with direct visual observation for influenza virus	44	22	$56.27	$14.95
73564 X-ray of knee, 4 or more views	43	42	$150.33	$44.56
93000 Routine ekg using at least 12 leads including interpretation and report	41	38	$151.00	$15.42
73030 X-ray of shoulder, minimum of 2 views	40	40	$114.45	$32.55
73610 X-ray of ankle, minimum of 3 views	36	35	$111.00	$32.44
71101 X-ray of ribs on side of body, minimum of 3 views	35	35	$121.60	$36.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	27	$133.00	$60.57
73130 X-ray of hand, minimum of 3 views	26	26	$108.85	$35.03
73110 X-ray of wrist, minimum of 3 views	26	26	$131.85	$39.25
72110 X-ray of lower and sacral spine, minimum of 4 views	22	22	$162.91	$50.21
73140 X-ray of finger, minimum of 2 views	21	21	$118.43	$37.65
73502 X-ray of hip, 2-3 views	21	20	$135.33	$44.96
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$419.00	$189.83
90471 Administration of 1 vaccine	16	16	$57.00	$20.42
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	16	16	$88.75	$14.98
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	16	16	$438.00	$231.71
73660 X-ray of toes, minimum of 2 views	14	14	$111.71	$29.93
72050 X-ray of upper spine, 4 or 5 views	13	12	$153.92	$50.36
90714 Vaccine for tetanus and diphtheria toxoids injection into muscle, patient 7 years or older	12	12	$48.50	$28.94
73080 X-ray of elbow, minimum of 3 views	12	12	$107.75	$29.60
12001 Repair of wound (2.5 centimeters or less) of the scalp, neck, underarms, trunk, arms and/or legs	11	11	$323.27	$102.38

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
71046 X-ray of chest, 2 views	207	201	$94.22	$31.29
99213 Established patient office or other outpatient visit, typically 15 minutes	196	189	$205.00	$97.58
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	179	176	$75.00	$30.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	157	148	$306.00	$136.88
36415 Insertion of needle into vein for collection of blood sample	121	116	$13.00	$2.97
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	105	102	$37.00	$7.67
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	91	91	$205.00	$122.10
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	76	76	$306.00	$173.68
80047 Blood test, basic group of blood chemicals (calcium, ionized)	71	71	$53.86	$13.58
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	61	60	$49.00	$16.33
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	58	56	$133.00	$61.41
81000 Manual urinalysis test with examination using microscope, non-automated	53	52	$37.00	$3.97
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	36	36	$53.00	$41.63
81002 Urinalysis, manual test	35	35	$25.00	$3.45
73564 X-ray of knee, 4 or more views	31	29	$149.94	$46.46
73630 X-ray of foot, minimum of 3 views	28	26	$102.00	$34.12
73610 X-ray of ankle, minimum of 3 views	24	23	$111.00	$36.59
93000 Routine ekg using at least 12 leads including interpretation and report	24	24	$151.00	$15.60
71101 X-ray of ribs on side of body, minimum of 3 views	20	20	$128.20	$40.76
73130 X-ray of hand, minimum of 3 views	20	19	$112.40	$36.59
73110 X-ray of wrist, minimum of 3 views	20	20	$132.20	$40.23
73140 X-ray of finger, minimum of 2 views	18	17	$121.67	$36.65
73030 X-ray of shoulder, minimum of 2 views	18	18	$121.06	$34.90
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$133.00	$79.81
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	18	$404.00	$194.19
73502 X-ray of hip, 2-3 views	17	17	$140.82	$47.81

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	178	178	$53.88	$44.98
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	147	144	$247.37	$139.35
99213 Established patient office or other outpatient visit, typically 15 minutes	109	108	$172.55	$99.02
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	107	107	$285.14	$181.82
71046 X-ray of chest, 2 views	63	63	$96.40	$31.42
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	63	63	$192.14	$122.01
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza	60	60	$98.33	$73.49
36415 Insertion of needle into vein for collection of blood sample	47	47	$14.53	$2.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	40	40	$38.75	$7.58
81000 Manual urinalysis test with examination using microscope, non-automated	33	33	$37.00	$4.02
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	30	30	$48.07	$16.53
80047 Blood test, basic group of blood chemicals (calcium, ionized)	26	26	$54.00	$13.20
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	22	22	$133.00	$61.05
93000 Routine ekg using at least 12 leads including interpretation and report	20	20	$124.45	$16.19
81002 Urinalysis, manual test	17	17	$25.00	$3.48
73630 X-ray of foot, minimum of 3 views	14	13	$111.00	$35.95
99202 New patient office or other outpatient visit, typically 20 minutes	13	13	$132.54	$79.55
71101 X-ray of ribs on side of body, minimum of 3 views	11	11	$129.55	$44.87

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	309	254	$167.52	$116.91
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	225	225	$274.20	$177.37
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	100	100	$170.00	$51.31
81003 Automated urinalysis test	63	59	$20.00	$2.23
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	54	53	$55.00	$45.23
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	51	51	$175.00	$117.18
99213 Established patient office or other outpatient visit, typically 15 minutes	40	36	$109.38	$81.29
93000 Routine ekg using at least 12 leads including interpretation and report	34	33	$91.06	$18.57
87651 Detection test for Strep (Streptococcus, group A)	27	27	$65.37	$34.68
36415 Insertion of needle into vein for collection of blood sample	22	22	$20.77	$2.99
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	19	19	$50.95	$7.76
87502 Detection test by nucleic acid for multiple types influenza virus	19	19	$125.00	$94.28
80053 Blood test, comprehensive group of blood chemicals	19	19	$70.84	$10.54
71046 X-ray of chest, 2 views	16	16	$75.00	$33.16

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	194	182	$168.00	$115.48
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	115	115	$274.78	$175.22
81003 Automated urinalysis test	36	36	$20.00	$2.44
99213 Established patient office or other outpatient visit, typically 15 minutes	20	18	$109.00	$79.21
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	16	14	$35.00	$16.20
71046 X-ray of chest, 2 views	15	15	$75.00	$32.70
94640 Inhalation treatment for airway obstruction or sputum production	14	14	$44.29	$19.93
J7613 Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	12	12	$14.58	$0.04
87651 Detection test for Strep (Streptococcus, group A)	12	12	$60.00	$38.21
73630 X-ray of foot, minimum of 3 views	11	11	$95.00	$32.46

Medical Specialties & State Licenses

CMS Verified: 2021-08-03

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License MD D0028260

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

351011500 (MD)

Hospital & Practice Group Affiliations

Patient First Maryland Medical Group Pllc

8105 Ritchie Hwy, Pasadena, MD 211223905

Phone: 4435730564

Patient First Maryland Medical Group Pllc

8206 Georgia Ave, Silver Spring, MD 209104519

Phone: 3019604682

Secondary Practice Locations

22 S Greene St

Baltimore, MD 212011544

Phone: 4103284383

Practice Associates & Co-Workers

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

14 Associated Practitioners

Laura Cather , PA-C

Physician Assistant - Medical

NPI 1053565994

Physician Assistant (Certified)

Leah Prescott , FNP

Nurse Practitioner - Family

NPI 1144709429

Family Nurse Practitioner

Sarah Jones , PA

Physician Assistant

NPI 1275687618

Physician Assistant

Teia Rocha , PA-C

Physician Assistant - Medical

NPI 1316194590

Physician Assistant (Certified)

Dr. Gary Drake , MD

Emergency Medicine

NPI 1346204559

Doctor of Medicine (M.D.)

Dr. Kevin Seaman , MD

Emergency Medicine

NPI 1356476113

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location August 03, 2021

Registered at 8105 RITCHIE HWY, PASADENA, MD 211223905 (Tel: 4435730564)

📍

Updated Business Mailing Address August 03, 2021

Registered at 5000 COX RD, GLEN ALLEN, VA 230609263 (Tel: 8048224355)

✅

NPI Profile Active April 01, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location April 01, 2014

Registered at 22 S GREENE ST, BALTIMORE, MD 212011544 (Tel: 4103284383)

📍

Updated Business Mailing Address April 01, 2014

Registered at PO BOX 73276, BALTIMORE, MD 212733276 (Tel: 3016318103)

👤

Provider Name / Credentials Updated April 01, 2014

Recorded as DAVID RORISON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 01, 2014

Emergency Medicine (License #D0028260 in MD)

🟢

Initial NPI Registration & Enumeration June 22, 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: 1083650253

Entity Type:

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

Enumeration Date: June 22, 2006

Last Update: August 03, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5000 Cox Rd

Glen Allen, VA 230609263

Phone: 8048224355

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.