Active NPI 1669467460 Individual Practitioner Female Practitioner

Dr. Freya Jan Silverstein , MD

Internal Medicine - Nephrology • Atlantis, FL

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Freya Silverstein, MD is a certified Internal Medicine - Nephrology practicing in Atlantis, FL. With approximately 43 years of clinical experience since graduating from State University Of New York Downstate Medical Center in 1983, Dr. Silverstein delivers high-quality medical care to the local community at 5503 S CONGRESS AVE.

Dr. Silverstein is affiliated with Florida Kidney Physicians Llc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's, established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

5503 S Congress Ave
Suite 103

Atlantis, FL 334626614

Telephone 5619657228

Fax 5619650120

Associated Practice Facility / Clinic

🏢 South Palm Beach Nephrology, Pa Facility NPI 1134107691

Medicare Profile & Education

Medical School

State University Of New York Downstate Medical Center

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Nephrology in Atlantis, FL

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +12.4 yrs vs City Avg

City Avg: 30.6 Yrs

State Avg: 28.0 Yrs

Regional Practice Density

13 Specialists

Practicing in Atlantis, FL (865 Statewide)

Telehealth Adoption Rate

46.2% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

49.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Silverstein (43 Years) 43 Yrs

Atlantis Specialty Average (30.6 Years) 30.6 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
G2211 Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	1,017	432	$32.72	$16.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	982	407	$250.83	$128.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	675	213	$154.96	$79.41
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	451	113	$123.62	$63.24
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	399	62	$689.68	$346.07
99439 Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month	314	113	$94.68	$48.33
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	101	60	$233.15	$119.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	100	74	$354.59	$182.66
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	88	82	$257.93	$132.38
90966 Home dialysis services per month, patient 20 years of age or older	84	12	$571.75	$293.06
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	68	63	$340.41	$174.34
99231 Follow-up hospital inpatient care per day, typically 15 minutes	56	35	$98.30	$50.23
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	43	43	$328.40	$166.68
90935 Hemodialysis procedure with physician evaluation	39	21	$135.00	$69.95
99213 Established patient office or other outpatient visit, typically 15 minutes	23	21	$178.17	$88.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	22	22	$435.55	$224.48
99496 Transitional care management services for problem of high complexity	14	11	$547.86	$274.49

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	854	354	$248.00	$94.26
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	638	220	$156.00	$80.76
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	438	54	$688.00	$356.40
90935 Hemodialysis procedure with physician evaluation	182	80	$140.00	$73.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	164	147	$258.00	$134.36
90966 Home dialysis services per month, patient 20 years of age or older	114	21	$572.00	$297.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	96	76	$348.00	$131.22
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	86	47	$234.00	$122.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	66	45	$98.00	$51.73
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	43	$342.00	$178.11
99213 Established patient office or other outpatient visit, typically 15 minutes	39	34	$176.00	$84.61
90945 Dialysis procedure including 1 evaluation	36	13	$166.00	$86.72
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	$430.00	$221.38
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	19	19	$326.00	$170.90
G2013 Extensive (75 minutes) in-home visit for an existing patient post-discharge. for use only in a medicare-approved cmmi model. (services must be furnished within a beneficiary's home, domiciliary, rest home, assisted living and/or nursing facility within 90	12	11	$410.00	$213.13
99221 Initial hospital inpatient care per day, typically 30 minutes	11	11	$166.00	$86.90

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	833	348	$254.88	$101.81
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	734	271	$143.24	$73.34
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	504	73	$717.85	$365.38
90935 Hemodialysis procedure with physician evaluation	231	79	$145.39	$73.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	133	126	$270.63	$140.65
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	117	92	$361.15	$152.30
90966 Home dialysis services per month, patient 20 years of age or older	91	16	$594.44	$306.75
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	63	$205.13	$104.35
99231 Follow-up hospital inpatient care per day, typically 15 minutes	55	36	$77.53	$39.22
99213 Established patient office or other outpatient visit, typically 15 minutes	51	47	$180.82	$86.90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	48	46	$396.63	$204.69
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	18	18	$338.00	$175.92
99221 Initial hospital inpatient care per day, typically 30 minutes	17	17	$203.29	$105.87
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	14	14	$592.86	$287.48

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	860	308	$140.65	$74.28
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	629	81	$708.74	$360.74
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	553	258	$254.71	$133.48
90935 Hemodialysis procedure with physician evaluation	257	86	$143.61	$75.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	212	186	$266.19	$140.63
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month	194	35	$80.18	$42.39
99231 Follow-up hospital inpatient care per day, typically 15 minutes	135	83	$75.22	$39.30
90970 Dialysis services, per day, less than full month service (20 years or older)	121	11	$19.03	$10.07
90966 Home dialysis services per month, patient 20 years of age or older	100	12	$584.48	$309.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	74	50	$203.92	$105.12
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	73	63	$357.08	$187.73
99213 Established patient office or other outpatient visit, typically 15 minutes	59	51	$179.69	$95.51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	53	53	$394.15	$205.50
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	32	26	$574.56	$292.45
99221 Initial hospital inpatient care per day, typically 30 minutes	30	30	$198.67	$107.22
99442 Telephone medical discussion with physician, 11-20 minutes	15	14	$173.73	$96.16
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$334.31	$176.90

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,072	375	$190.42	$74.99
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	760	105	$750.74	$291.21
90935 Hemodialysis procedure with physician evaluation	422	143	$188.50	$76.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	408	210	$274.63	$113.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	219	201	$353.44	$146.96
90970 Dialysis services, per day, less than full month service (20 years or older)	216	28	$22.20	$8.65
90966 Home dialysis services per month, patient 20 years of age or older	173	24	$631.90	$254.41
99231 Follow-up hospital inpatient care per day, typically 15 minutes	111	68	$100.69	$40.04
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	86	58	$289.04	$110.89
99213 Established patient office or other outpatient visit, typically 15 minutes	76	67	$196.84	$76.89
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	74	57	$364.41	$152.95
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	57	40	$650.91	$249.97
99221 Initial hospital inpatient care per day, typically 30 minutes	50	48	$278.91	$107.83
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	46	46	$559.15	$216.00
99442 Telephone medical discussion with physician, 11-20 minutes	32	29	$184.36	$79.72
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$520.89	$174.51
36415 Insertion of needle into vein for collection of blood sample	16	16	$6.00	$3.00

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units	1,520	12	$25.00	$11.40
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,302	474	$228.24	$76.51
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	756	129	$891.45	$296.04
90935 Hemodialysis procedure with physician evaluation	452	152	$227.25	$77.07
90970 Dialysis services, per day, less than full month service (20 years or older)	450	62	$24.88	$8.05
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	449	222	$337.59	$111.03
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	226	209	$436.20	$143.90
90966 Home dialysis services per month, patient 20 years of age or older	211	27	$745.86	$248.99
99231 Follow-up hospital inpatient care per day, typically 15 minutes	158	100	$125.04	$41.67
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	99	70	$330.84	$109.49
99213 Established patient office or other outpatient visit, typically 15 minutes	88	76	$229.80	$76.84
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	67	48	$748.86	$249.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	66	65	$662.56	$213.24
99221 Initial hospital inpatient care per day, typically 30 minutes	62	58	$326.19	$108.40
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	58	43	$455.61	$148.99
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	46	12	$79.56	$17.28
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	41	41	$520.89	$173.14
90945 Dialysis procedure including 1 evaluation	30	15	$269.61	$84.47
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	14	14	$656.67	$217.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90970 Dialysis services, per day, less than full month service (20 years or older)	1,593	78	$24.67	$8.11
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units	1,360	16	$25.00	$12.52
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,054	419	$228.24	$75.84
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	870	129	$891.45	$292.40
90935 Hemodialysis procedure with physician evaluation	466	154	$227.25	$75.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	458	207	$337.59	$108.79
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	225	211	$436.20	$143.47
90966 Home dialysis services per month, patient 20 years of age or older	188	28	$745.86	$243.37
99231 Follow-up hospital inpatient care per day, typically 15 minutes	144	107	$125.04	$41.14
99213 Established patient office or other outpatient visit, typically 15 minutes	119	97	$229.80	$75.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	89	68	$330.84	$108.80
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	60	60	$520.89	$169.74
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	59	46	$748.86	$246.76
99221 Initial hospital inpatient care per day, typically 30 minutes	57	53	$326.19	$107.35
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	55	55	$662.25	$206.94
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	45	16	$79.56	$21.01
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	29	26	$455.61	$141.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$343.95	$113.36
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$656.67	$216.96

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
90970 Dialysis services, per day, less than full month service (20 years or older)	2,383	119	$14.66	$8.09
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	1,138	474	$157.60	$74.35
J0885 Injection, epoetin alfa, (for non-esrd use), 1000 units	1,021	12	$19.79	$12.65
90960 Dialysis services, 4 or more physician visits per month (20 years or older)	649	107	$617.66	$290.63
90935 Hemodialysis procedure with physician evaluation	406	163	$176.87	$73.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	323	154	$206.31	$109.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	241	229	$281.36	$142.52
99231 Follow-up hospital inpatient care per day, typically 15 minutes	173	129	$98.39	$41.01
99213 Established patient office or other outpatient visit, typically 15 minutes	133	106	$142.36	$75.48
90966 Home dialysis services per month, patient 20 years of age or older	117	21	$470.93	$244.67
90961 Dialysis services, 2-3 physician visits per month (20 years or older)	75	49	$582.22	$245.63
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	56	45	$238.22	$108.52
99221 Initial hospital inpatient care per day, typically 30 minutes	52	48	$273.39	$106.99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	41	$445.38	$211.26
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	38	38	$313.29	$167.16
96372 Injection beneath the skin or into muscle for therapy, diagnosis, or prevention	37	12	$52.60	$26.09
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	25	20	$276.25	$139.43
90945 Dialysis procedure including 1 evaluation	23	13	$201.05	$88.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	16	$175.70	$81.52
90962 Dialysis services, 1 physician visit per month (20 years or older)	14	11	$334.48	$189.11

Medical Specialties & State Licenses

Internal Medicine - Nephrology Primary Specialty

NUCC Taxonomy Code: 207RN0300X

State License FL ME0046801

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Hospital & Practice Group Affiliations

Florida Kidney Physicians Llc

3925 W Boynton Beach Bvld, Boynton Beach, FL 334364500

Phone: 5617529636

Practice Associates & Co-Workers

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

10 Associated Practitioners

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Dr. Jose Arrascue , MD

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Dr. Gilda Portalatin , MD

Internal Medicine - Nephrology

NPI 1144781139

Doctor of Medicine (M.D.)

Yoel Madruga Reyes , APRN

Nurse Practitioner - Family

NPI 1366291999

Advanced Practice Registered Nurse

Dr. Osvaldo Valenzuela , MD

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NPI 1508847088

Doctor of Medicine (M.D.)

Dr. Joshua Bailin , MD

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NPI 1528059177

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 December 29, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location December 29, 2015

Registered at 5503 S CONGRESS AVE, SUITE 103, ATLANTIS, FL 334626614 (Tel: 5619657228)

📍

Updated Business Mailing Address December 29, 2015

Registered at 5503 S CONGRESS AVE, SUITE 103, ATLANTIS, FL 334626625 (Tel: 5619657228)

👤

Provider Name / Credentials Updated December 29, 2015

Recorded as FREYA SILVERSTEIN, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) December 29, 2015

Internal Medicine (License #ME0046801 in FL)

🟢

Initial NPI Registration & Enumeration September 18, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1669467460

Entity Type:

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

Enumeration Date: September 18, 2005

Last Update: December 29, 2015

Sole Proprietor: No

Update or Correct Profile

Mailing Address

5503 S Congress Ave, Suite 103

Atlantis, FL 334626625

Phone: 5619657228

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.