Deactivated NPI 1124080148 Deactivated / Inactive NPI Male Practitioner

Dr. Frederick Karkowski , MD

Internal Medicine • Annapolis, MD

⚠️

Notice of NPI Deactivation & Inactive Practice Status

According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Frederick Karkowski has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date April 05, 2006

NPI Deactivation Date November 12, 2020

Total Practice Duration ~14 Years of Practice (2006 – 2020)

Professional Overview & Biography Verified Profile Summary

Dr. Frederick Karkowski, MD was a registered Internal Medicine practicing in Annapolis, MD. Throughout an active medical career spanning 14 years, Dr. Karkowski provided care at the practice location at 139 OLD SOLOMONS ISLAND RD until profile deactivation on 2020-11-12.

Historical Medicare Part B clinical services included established patient outpatient office visit, insertion of needle into vein for collection of blood sample, new patient outpatient office visit. Public procedure reimbursement records and service volume details are provided below for historical transparency.

Practice Location & Contact Primary Location

Practice Address

139 Old Solomons Island Rd

Annapolis, MD 214010904

Telephone 4102242222

Fax 4102244926

Associated Practice Facility / Clinic

🏢 Greenfield Associates, M.d., P.a. Facility NPI 1396770996

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Annapolis, MD

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 21.6 Yrs

State Avg: 28.1 Yrs

Regional Practice Density

105 Specialists

Practicing in Annapolis, MD (4114 Statewide)

Telehealth Adoption Rate

21.9% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

58.3% 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 (2020)

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	92	85	$212.00	$116.51
99213 Established patient office or other outpatient visit, typically 15 minutes	70	68	$145.03	$82.37
36415 Insertion of needle into vein for collection of blood sample	67	66	$13.00	$2.99
99202 New patient office or other outpatient visit, typically 20 minutes	51	51	$147.00	$81.40
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	48	48	$213.00	$118.08
71046 X-ray of chest, 2 views	46	45	$102.04	$32.61
80047 Blood test, basic group of blood chemicals (calcium, ionized)	43	43	$54.00	$13.68
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	39	38	$37.00	$7.55
81000 Manual urinalysis test with examination using microscope, non-automated	39	38	$37.00	$4.00
87804 Detection test by immunoassay with direct visual observation for influenza virus	26	13	$53.00	$15.00
93000 Routine ekg using at least 12 leads including interpretation and report	25	23	$151.00	$18.79
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	21	$90.00	$50.38
81002 Urinalysis, manual test	17	17	$25.00	$3.47
73630 X-ray of foot, minimum of 3 views	13	12	$115.15	$34.97
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	11	11	$62.00	$25.61

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	191	182	$212.00	$114.94
99213 Established patient office or other outpatient visit, typically 15 minutes	165	152	$145.00	$79.32
71046 X-ray of chest, 2 views	144	142	$98.50	$29.56
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	90	90	$213.00	$116.20
36415 Insertion of needle into vein for collection of blood sample	85	83	$13.00	$2.94
99202 New patient office or other outpatient visit, typically 20 minutes	84	84	$147.00	$81.87
81000 Manual urinalysis test with examination using microscope, non-automated	77	74	$37.00	$3.94
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	72	70	$37.00	$8.46
87804 Detection test by immunoassay with direct visual observation for influenza virus	68	33	$53.00	$16.22
80047 Blood test, basic group of blood chemicals (calcium, ionized)	62	62	$54.00	$13.46
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep)	47	46	$49.00	$15.86
93000 Routine ekg using at least 12 leads including interpretation and report	37	37	$151.00	$18.38
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	27	27	$90.00	$48.44
81002 Urinalysis, manual test	25	24	$25.00	$3.41
73630 X-ray of foot, minimum of 3 views	24	23	$100.42	$29.10
73564 X-ray of knee, 4 or more views	17	17	$165.65	$41.79
73110 X-ray of wrist, minimum of 3 views	15	15	$139.87	$37.21
94640 Inhalation treatment for airway obstruction or sputum production	14	13	$86.00	$19.95
73030 X-ray of shoulder, minimum of 2 views	14	13	$128.21	$28.23
73130 X-ray of hand, minimum of 3 views	14	14	$119.00	$34.21
71101 X-ray of ribs on side of body, minimum of 3 views	12	12	$133.33	$37.80
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	11	11	$62.00	$24.50
73610 X-ray of ankle, minimum of 3 views	11	11	$115.91	$32.85
72110 X-ray of lower and sacral spine, minimum of 4 views	11	11	$155.55	$46.32

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	32	$215.53	$110.07
71046 X-ray of chest, 2 views	16	16	$108.50	$30.55
99213 Established patient office or other outpatient visit, typically 15 minutes	14	14	$145.00	$75.58
36415 Insertion of needle into vein for collection of blood sample	13	13	$11.46	$2.94
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	11	11	$213.00	$112.44
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	11	11	$34.51	$9.40

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0897 Injection, denosumab, 1 mg	1,500	21	$16.73	$16.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	1,203	511	$115.83	$107.09
36415 Insertion of needle into vein for collection of blood sample	868	468	$3.03	$2.94
80053 Blood test, comprehensive group of blood chemicals	632	409	$14.55	$12.07
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	594	375	$22.07	$20.41
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	569	384	$10.65	$10.38
83721 Ldl cholesterol level	406	315	$13.03	$12.74
80061 Blood test, lipids (cholesterol and triglycerides)	406	315	$16.82	$12.63
99213 Established patient office or other outpatient visit, typically 15 minutes	315	186	$78.84	$72.92
84443 Blood test, thyroid stimulating hormone (TSH)	271	216	$22.89	$22.43
83036 Hemoglobin A1C level	226	149	$12.94	$12.43
85610 Blood test, clotting time	226	69	$5.13	$5.03
81001 Manual urinalysis test with examination using microscope, automated	218	171	$4.49	$4.23
84481 Thyroid hormone, t3 measurement, free	177	142	$15.86	$15.54
84439 Thyroxine (thyroid chemical), free	176	141	$12.28	$12.03
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	155	148	$159.48	$144.44
93000 Routine ekg using at least 12 leads including interpretation and report	116	114	$19.77	$17.16
85651 Red blood cell sedimentation rate, to detect inflammation, non-automated	96	88	$4.36	$4.27
80048 Blood test, basic group of blood chemicals (calcium, total)	85	78	$11.52	$10.46
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	79	37	$27.93	$25.85
83550 Iron binding capacity	70	54	$11.91	$11.67
82728 Ferritin (blood protein) level	70	54	$18.57	$18.20
83540 Iron level	70	54	$8.82	$8.64
82306 Vitamin d-3 level	64	61	$40.49	$39.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	61	25	$111.00	$102.73
82044 Urine microalbumin (protein) analysis	52	46	$6.23	$6.11
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg	51	15	$4.39	$3.21
82570 Creatinine level to test for kidney function or muscle injury	51	45	$5.61	$5.50
82607 Cyanocobalamin (vitamin B-12) level	46	43	$20.54	$20.13
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$178.27	$164.92
G0103 Prostate cancer screening; prostate specific antigen test (psa)	32	32	$25.06	$24.56
99496 Transitional care management services for problem of high complexity	29	28	$249.44	$229.81
84550 Uric acid level, blood	27	22	$6.16	$4.25
77080 Dxa bone density measurement of hip, pelvis, spine	22	22	$45.21	$41.27
69210 Removal of impacted ear wax	20	18	$53.43	$48.13
84153 Psa (prostate specific antigen) measurement, total	19	19	$25.06	$24.56
G0009 Administration of pneumococcal vaccine	19	19	$27.10	$26.56
90662 Influenza vaccine split virus, preservative free	18	18	$39.80	$39.00
90670 Pneumococcal vaccine for injection into muscle	17	17	$174.73	$170.81
99495 Transitional care management services for problem of at least moderate complexity	16	16	$176.46	$163.10
83615 Lactate dehydrogenase (enzyme) level	16	15	$8.22	$3.51
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$47.33	$43.66
82746 Folic acid level	15	15	$20.03	$19.63
94640 Inhalation treatment for airway obstruction or sputum production	15	13	$20.25	$18.90
G0008 Administration of influenza virus vaccine	14	14	$27.57	$27.02
99239 Hospital discharge day management, more than 30 minutes	13	13	$114.18	$106.04
80076 Liver function blood test panel	12	11	$11.52	$4.50

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MD D0054903

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.

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Anthony Caputo , MD

Internal Medicine

NPI 1083639751

Doctor of Medicine (M.D.)

Susan Miller , CRNP

Nurse Practitioner

NPI 1144508425

Certified Registered Nurse Practitioner

Dr. Charles Phelps , MD

Internal Medicine

NPI 1407871171

Doctor of Medicine (M.D.)

Angela Pierce , CRNP-FAMILY

Nurse Practitioner - Family

NPI 1467822270

CRNPFAMILY

Dr. Robert Greenfield , MD

Internal Medicine

NPI 1821005984

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

9 Historical Events

⚠️

NPI Profile Deactivated November 12, 2020

Record deactivated on November 12, 2020

📍

Updated Practice Location October 02, 2018

Registered at 5900 CEDAR LN, COLUMBIA, MD 210443635 (Tel: 4437184067)

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Updated Business Mailing Address October 02, 2018

Registered at 5000 COX RD, GLEN ALLEN, VA 230609263 (Tel: 8049685700)

✅

NPI Profile Active October 10, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location October 10, 2008

Registered at 139 OLD SOLOMONS ISLAND RD, ANNAPOLIS, MD 214010904 (Tel: 4102242222)

📍

Updated Business Mailing Address October 10, 2008

Registered at 139 OLD SOLOMONS ISLAND RD, ANNAPOLIS, MD 214010904 (Tel: 4102242222)

👤

Provider Name / Credentials Updated October 10, 2008

Recorded as FREDERICK KARKOWSKI, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) October 10, 2008

Internal Medicine (License #D0054903 in MD)

🟢

Initial NPI Registration & Enumeration April 05, 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: 1124080148

Entity Type:

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

Enumeration Date: April 05, 2006

Last Update: October 10, 2008

Deactivation Date: November 12, 2020

Update or Correct Profile

Mailing Address

139 Old Solomons Island Rd

Annapolis, MD 214010904

Phone: 4102242222

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.