Active NPI 1831162239 Individual Practitioner Female Practitioner

Dr. Cynthia L Johnston , MD

Emergency Medicine • Marathon, FL

Professional Overview & Biography Verified Profile Summary

Dr. Cynthia Johnston, MD is a registered healthcare professional specializing in Emergency Medicine in Marathon, FL. Practice services are available at 3301 OVERSEAS HWY under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, new patient outpatient office visit, detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19). Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3301 Overseas Hwy

Marathon, FL 330502329

Telephone 3057435533

Fax 3052890630

Associated Practice Facility / Clinic

🏢 Middle Keys Anesthesia Associates Pa Facility NPI 1639128267

Specialty Benchmarks & Practice Insights

Comparative analytics for Emergency Medicine in Marathon, FL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 24.7 Yrs

State Avg: 21.4 Yrs

Regional Practice Density

8 Specialists

Practicing in Marathon, FL (4182 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

52.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2023)

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	34	34	$240.00	$125.49
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$300.00	$165.93
99213 Established patient office or other outpatient visit, typically 15 minutes	16	15	$225.00	$88.73
87811 Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19)	12	12	$80.00	$40.55
81003 Automated urinalysis test	12	12	$30.00	$2.20
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$240.00	$110.75

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	29	28	$80.00	$42.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	22	22	$300.00	$166.91
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$240.00	$127.09
99213 Established patient office or other outpatient visit, typically 15 minutes	18	17	$225.00	$89.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	89	89	$260.90	$118.51
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	79	79	$80.00	$45.23
99213 Established patient office or other outpatient visit, typically 15 minutes	60	57	$260.00	$95.62
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	29	$276.00	$137.06
81003 Automated urinalysis test	26	23	$33.00	$2.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	24	24	$300.00	$175.38
80053 Blood test, comprehensive group of blood chemicals	19	19	$99.00	$10.56
71046 X-ray of chest, 2 views	16	16	$158.38	$35.63
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	16	16	$58.00	$7.77
36415 Insertion of needle into vein for collection of blood sample	16	16	$32.00	$3.00
99202 New patient office or other outpatient visit, typically 20 minutes	12	12	$250.00	$76.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	338	307	$300.00	$82.09
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	200	200	$300.00	$118.46
36415 Insertion of needle into vein for collection of blood sample	151	143	$32.00	$3.00
80053 Blood test, comprehensive group of blood chemicals	125	118	$99.00	$10.53
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	116	109	$58.00	$7.75
71046 X-ray of chest, 2 views	85	83	$164.00	$35.08
87804 Detection test by immunoassay with direct visual observation for influenza virus	84	43	$83.00	$16.39
J0696 Injection, ceftriaxone sodium, per 250 mg	83	23	$2.00	$0.59
81003 Automated urinalysis test	81	77	$36.00	$2.24
93000 Routine ekg using at least 12 leads including interpretation and report	60	60	$120.00	$18.78
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	46	40	$77.00	$15.23
J1885 Injection, ketorolac tromethamine, per 15 mg	35	12	$2.00	$0.61
80061 Blood test, lipids (cholesterol and triglycerides)	24	24	$132.00	$13.39
96360 Infusion into a vein for hydration, 31-60 minutes	19	18	$267.00	$36.62
70450 Ct scan head or brain without contrast	19	18	$1191.00	$114.65
84443 Blood test, thyroid stimulating hormone (TSH)	17	16	$141.00	$16.80
84484 Troponin (protein) analysis, quantitative	15	15	$175.00	$12.42
83874 Myoglobin (muscle protein) level	15	15	$152.00	$12.87
82553 Creatine kinase (cardiac enzyme) level, mb fraction only	15	15	$143.00	$11.50
86318 Test for detection of infectious agent antibody, qualitative or semiquantitative	14	14	$100.00	$18.09
71250 Ct scan of chest without contrast	13	13	$1324.00	$159.22
J7030 Infusion, normal saline solution , 1000 cc	13	12	$3.00	$2.56
73562 X-ray of knee, 3 views	12	11	$174.00	$41.85
90471 Administration of 1 vaccine	12	12	$58.00	$15.30
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)	12	12	$81.00	$34.01
84436 Thyroxine (thyroid chemical), total	11	11	$74.00	$6.87
74177 Ct scan of abdomen and pelvis with contrast	11	11	$2014.00	$345.14
74176 Ct scan of abdomen and pelvis without contrast	11	11	$1282.00	$213.12

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$300.00	$115.39
99213 Established patient office or other outpatient visit, typically 15 minutes	28	28	$300.00	$78.61
71046 X-ray of chest, 2 views	12	12	$164.00	$30.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	178	114	$197.00	$77.96
36415 Insertion of needle into vein for collection of blood sample	100	80	$6.00	$2.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	39	28	$118.97	$46.87
81002 Urinalysis, manual test	31	28	$7.00	$3.41
93000 Routine ekg using at least 12 leads including interpretation and report	22	20	$47.00	$18.26
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	14	14	$298.00	$118.04
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$290.00	$115.82

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	338	188	$144.93	$75.87
36415 Insertion of needle into vein for collection of blood sample	227	134	$36.84	$2.94
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	75	56	$100.60	$45.44
81002 Urinalysis, manual test	51	46	$20.04	$3.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	48	$194.47	$110.62
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	35	35	$224.40	$114.94
G0008 Administration of influenza virus vaccine	32	32	$67.00	$26.45
90653 Vaccine for influenza for injection into muscle	26	26	$69.00	$49.22
G0009 Administration of pneumococcal vaccine	25	25	$71.92	$25.39
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	25	19	$66.84	$26.04
93000 Routine ekg using at least 12 leads including interpretation and report	25	24	$87.80	$17.84
90670 Pneumococcal vaccine for injection into muscle	16	16	$242.00	$188.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$311.00	$173.06

Medical Specialties & State Licenses

Emergency Medicine Primary Specialty

NUCC Taxonomy Code: 207P00000X

State License FL ME94206

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

Commercial Insurance / Payer ID Bcbs

31076 (FL)

Practice Associates & Co-Workers

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

6 Associated Practitioners

Dr. Charles Sweeney , MD

Emergency Medicine

NPI 1306819206

Doctor of Medicine (M.D.)

Dr. Shirley Cassada , MD

Emergency Medicine

NPI 1336112689

Doctor of Medicine (M.D.)

Dr. Thomas Bouwkamp , MD

Anesthesiology

NPI 1396839080

Doctor of Medicine (M.D.)

Dr. Kenneth Ahonen , MD

Emergency Medicine

NPI 1447223771

Doctor of Medicine (M.D.)

Dr. Scott Smith , DO

Emergency Medicine

NPI 1629041991

Doctor of Osteopathic Medicine (D.O.)

Monica Bruder

Physical Therapist

NPI 1750545091

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active September 05, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location September 05, 2007

Registered at 3301 OVERSEAS HWY, MARATHON, FL 330502329 (Tel: 3057435533)

📍

Updated Business Mailing Address September 05, 2007

Registered at PO BOX 500369, MARATHON, FL 330500369 (Tel: 3053040448)

👤

Provider Name / Credentials Updated September 05, 2007

Recorded as CYNTHIA JOHNSTON, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) September 05, 2007

Emergency Medicine (License #ME94206 in FL)

🟢

Initial NPI Registration & Enumeration February 08, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1831162239

Entity Type:

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

Enumeration Date: February 08, 2006

Last Update: September 05, 2007

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 500369

Marathon, FL 330500369

Phone: 3053040448

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.