Active NPI 1508921305 Individual Practitioner Male Practitioner

Dr. Nelson R Maldonado , MD

Surgery • Grass Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Nelson Maldonado, MD is a certified Surgery practicing in Grass Valley, CA. With approximately 43 years of clinical experience since graduating from University Of California, Irvine, California College Of Medicine in 1983, Dr. Maldonado delivers high-quality medical care to the local community at 150 CATHERINE LN.

Dr. Maldonado is affiliated with Jeffrey Brooks Md Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include ultrasound study of arm or leg veins with compression and maneuvers, established patient outpatient office visit, injection of chemical agent into single incompetent vein of leg using ultrasound guidance. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

150 Catherine Ln
Suite G

Grass Valley, CA 959455719

Telephone 5304770931

Fax 5304770934

Associated Practice Facility / Clinic

🏢 Newsom & Fitzpatrick Medical Group Inc Facility NPI 1245251495

Medicare Profile & Education

Medical School

University Of California, Irvine, California College Of Medicine

Graduation Year

1983

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Grass Valley, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

43 Yrs +8.7 yrs vs City Avg

City Avg: 34.3 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

6 Specialists

Practicing in Grass Valley, CA (3346 Statewide)

Telehealth Adoption Rate

16.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

86.3% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Maldonado (43 Years) 43 Yrs

Grass Valley Specialty Average (34.3 Years) 34.3 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
93970 Ultrasound study of arm or leg veins with compression and maneuvers	72	55	$750.00	$220.17
99213 Established patient office or other outpatient visit, typically 15 minutes	49	43	$260.00	$99.14
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	45	21	$12000.00	$1536.69
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$380.00	$120.17
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	34	17	$12000.00	$1670.71
99202 New patient office or other outpatient visit, typically 20 minutes	33	33	$270.00	$80.26
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	28	25	$160.00	$63.30
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	24	19	$500.00	$140.09
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	23	16	$12000.00	$1230.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$380.00	$140.84

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	94	78	$750.00	$223.02
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	69	69	$380.00	$122.02
99213 Established patient office or other outpatient visit, typically 15 minutes	67	49	$260.00	$99.18
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	51	49	$380.00	$139.37
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	43	18	$12000.00	$1244.77
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	38	23	$500.00	$142.13
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	33	19	$12000.00	$1710.42
99202 New patient office or other outpatient visit, typically 20 minutes	29	29	$270.00	$80.95
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	25	18	$12000.00	$1580.63
36471 Injection of chemical agent into multiple incompetent veins of leg	14	13	$700.00	$228.65

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93970 Ultrasound study of arm or leg veins with compression and maneuvers	94	79	$750.00	$220.00
99213 Established patient office or other outpatient visit, typically 15 minutes	93	59	$260.00	$98.06
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	72	72	$380.00	$121.56
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	45	$386.92	$138.58
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	48	30	$495.05	$136.37
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	43	24	$12000.00	$1243.43
99202 New patient office or other outpatient visit, typically 20 minutes	28	28	$270.00	$78.72
36465 Injection of chemical agent into single incompetent vein of leg using ultrasound guidance	15	12	$12000.00	$1569.98
36466 Injection of chemical agent into multiple incompetent veins of same leg using ultrasound guidance	13	12	$12000.00	$1739.78

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	42	42	$224.80	$116.57
99213 Established patient office or other outpatient visit, typically 15 minutes	41	32	$152.94	$95.12
93970 Ultrasound study of arm or leg veins with compression and maneuvers	26	25	$428.13	$211.23
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	25	15	$262.41	$132.74
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	19	13	$3267.74	$1378.21
99221 Initial hospital inpatient care per day, typically 30 minutes	13	13	$207.46	$101.96

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	48	48	$224.80	$111.80
99213 Established patient office or other outpatient visit, typically 15 minutes	45	33	$152.94	$78.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	39	37	$280.69	$142.11
93970 Ultrasound study of arm or leg veins with compression and maneuvers	25	25	$428.13	$210.45
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	17	$225.56	$112.02
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	18	12	$4604.86	$2070.79
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$342.01	$167.89

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	109	74	$152.94	$76.65
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	80	80	$224.80	$111.02
93970 Ultrasound study of arm or leg veins with compression and maneuvers	32	32	$428.13	$207.58
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	11	$150.20	$73.62
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	25	25	$281.37	$138.34
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	23	15	$4604.86	$2189.43
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	21	$225.56	$111.94
93971 Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers	14	13	$262.41	$128.61
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	12	11	$215.18	$105.46

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	126	84	$152.58	$75.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	87	87	$225.41	$110.87
93970 Ultrasound study of arm or leg veins with compression and maneuvers	55	52	$427.46	$210.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	37	$282.43	$138.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	34	14	$150.06	$73.90
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	32	29	$225.59	$111.20
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	28	16	$3313.74	$1607.96
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$342.80	$168.50
36482 Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance	21	15	$4637.04	$2265.59
47562 Removal of gallbladder using an endoscope	12	12	$1349.50	$613.72

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	130	86	$152.28	$75.55
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	95	95	$225.96	$111.27
93970 Ultrasound study of arm or leg veins with compression and maneuvers	43	43	$426.91	$210.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	19	$149.69	$73.54
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	33	28	$282.88	$138.92
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	33	33	$342.93	$168.14
36475 Destruction of insufficient vein of arm or leg, accessed through the skin	30	19	$3326.28	$1613.07
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	30	27	$225.61	$111.13
93923 Complete ultrasound study of arm and leg arteries	20	19	$300.26	$146.75
47562 Removal of gallbladder using an endoscope	12	12	$1355.37	$664.13

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G53915

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Hospital & Practice Group Affiliations

Jeffrey Brooks Md Inc

935 Trancas St, Napa, CA 945582944

Phone: 7072524955

Practice Associates & Co-Workers

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

9 Associated Practitioners

Ruth Cutter , NP

Nurse Practitioner - Family

NPI 1033232012

Nurse Practitioner

Dr. Simon Chan , MD

Internal Medicine

NPI 1063431179

Doctor of Medicine (M.D.)

Susan Claydon , NP

Nurse Practitioner - Family

NPI 1336147057

Nurse Practitioner

Robin Petersen , RN FNP

Nurse Practitioner

NPI 1447221213

RNFNP

Dr. Minor Ward , MD

Surgery

NPI 1487696464

Doctor of Medicine (M.D.)

Dr. Christopher Claydon , MD

Family Medicine - Geriatric Medicine

NPI 1518965235

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 April 12, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location April 12, 2012

Registered at 150 CATHERINE LN, SUITE G, GRASS VALLEY, CA 959455719 (Tel: 5304770931)

📍

Updated Business Mailing Address April 12, 2012

Registered at PO BOX 2618, GRASS VALLEY, CA 959452618 (Tel: 5304770931)

👤

Provider Name / Credentials Updated April 12, 2012

Recorded as NELSON MALDONADO, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 12, 2012

Surgery (License #G53915 in CA)

🟢

Initial NPI Registration & Enumeration December 22, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1508921305

Entity Type:

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

Enumeration Date: December 22, 2006

Last Update: April 12, 2012

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 2618

Grass Valley, CA 959452618

Phone: 5304770931

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.