Active NPI 1245542323 Individual Practitioner Female Practitioner

Lisa Ardath Castro , ARNP

Nurse Practitioner • Greeley, CO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Lisa Castro, ARNP is a certified Nurse Practitioner practicing in Greeley, CO. With approximately 17 years of clinical experience since completing medical education in 2009, Lisa Castro delivers high-quality medical care to the local community at 7251 W 20TH ST UNIT K.

Lisa Castro accepts Medicare assignment.

Frequently performed procedures and clinical services include subsequent hospital care with moderate levelof medical decision making, if using time, at least, follow-up hospital inpatient care per day, initial hospital care with straightforward or low-level 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

7251 W 20th St Unit K

Greeley, CO 806344626

Telephone 9703781414

Fax 9703781515

Associated Practice Facility / Clinic

🏢 Colorado Pain Experts, Llc Facility NPI 1275275158

Medicare Profile & Education

Medical School

Other

Graduation Year

2009

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Greeley, CO

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

17 Yrs +6.6 yrs vs City Avg

City Avg: 10.4 Yrs

State Avg: 11.3 Yrs

Regional Practice Density

31 Specialists

Practicing in Greeley, CO (1283 Statewide)

Telehealth Adoption Rate

9.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

66.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Castro (17 Years) 17 Yrs

Greeley Specialty Average (10.4 Years) 10.4 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
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	28	27	$184.70	$61.51

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	33	33	$107.27	$39.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	31	28	$135.00	$62.43
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$230.00	$104.94

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	138	114	$211.00	$58.40
99231 Follow-up hospital inpatient care per day, typically 15 minutes	47	45	$136.00	$31.28
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$263.00	$110.21

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	103	88	$211.00	$59.49
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	37	37	$263.00	$111.05
99231 Follow-up hospital inpatient care per day, typically 15 minutes	22	21	$136.00	$31.27

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	204	162	$211.00	$59.24
99231 Follow-up hospital inpatient care per day, typically 15 minutes	59	54	$136.00	$32.10
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$263.00	$111.53
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	13	$174.00	$64.49

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	248	205	$211.00	$58.46
99231 Follow-up hospital inpatient care per day, typically 15 minutes	116	107	$136.00	$31.60
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$263.00	$110.13

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	157	135	$211.00	$58.46
99231 Follow-up hospital inpatient care per day, typically 15 minutes	115	107	$136.00	$31.56
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	30	30	$263.00	$107.53
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$210.00	$81.47

Medical Specialties & State Licenses

CMS Verified: 2026-01-21

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License CO 0105328

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License TN 31391

Nurse Practitioner

NUCC Taxonomy Code: 363L00000X

State License MS 905746

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Jimmy Giang , DO

Internal Medicine - Gastroenterology

NPI 1073933941

Doctor of Osteopathic Medicine (D.O.)

Dr. Maheen Sheikh , MD

Internal Medicine - Gastroenterology

NPI 1144540477

Doctor of Medicine (M.D.)

Michael Giacopelli , PA-C

Physician Assistant - Medical

NPI 1639695083

Physician Assistant (Certified)

Dr. Thomas Dowgin , MD

Internal Medicine - Gastroenterology

NPI 1669578464

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

20 Historical Events

📍

Updated Practice Location January 21, 2026

Registered at 7251 W 20TH ST UNIT K, GREELEY, CO 806344626 (Tel: 9703781414)

📍

Updated Business Mailing Address January 21, 2026

Registered at 7251 W 20TH ST UNIT K, GREELEY, CO 806344626 (Tel: 9703781414)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 21, 2026

Nurse Practitioner (License #31391 in TN)

📍

Updated Practice Location January 06, 2026

Registered at 1670 ELK RIVER DR, COLLIERVILLE, TN 380173327 (Tel: 8126186278)

📍

Updated Business Mailing Address January 06, 2026

Registered at 1670 ELK RIVER DR, COLLIERVILLE, TN 380173327 (Tel: 8126186278)

📍

Updated Business Mailing Address March 03, 2025

Registered at ONE GI CREDENTIALING DEPARTMENT, PO BOX 381468, GERMANTOWN, TN 381831468

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 03, 2025

Nurse Practitioner (License #905746 in MS)

📍

Updated Practice Location June 29, 2022

Registered at 8000 WOLF RIVER BLVD STE 200, GERMANTOWN, TN 381381755 (Tel: 9017473630)

📍

Updated Business Mailing Address June 29, 2022

Registered at 2020 EXETER RD, GERMANTOWN, TN 381383945 (Tel: 9017473630)

✅

NPI Profile Active January 10, 2018

NPI status registered as active in NPPES database

📍

Updated Practice Location January 10, 2018

Registered at 421 CHESTNUT ST, EVANSVILLE, IN 477131227 (Tel: 8124269545)

📍

Updated Business Mailing Address January 10, 2018

Registered at PO BOX 3868, EVANSVILLE, IN 477373868 (Tel: 8124269545)

👤

Provider Name / Credentials Updated January 10, 2018

Recorded as LISA CASTRO, ARNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 10, 2018

Nurse Practitioner (License #71004113A in IN)

✅

NPI Profile Active January 02, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location January 02, 2013

Registered at 421 CHESTNUT ST, EVANSVILLE, IN 477131227 (Tel: 8124269545)

📍

Updated Business Mailing Address January 02, 2013

Registered at PO BOX 3868, EVANSVILLE, IN 477373868 (Tel: 8124269545)

👤

Provider Name / Credentials Updated January 02, 2013

Recorded as LISA CASTRO, ARNP

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 02, 2013

Nurse Practitioner (License #71004113A in IN)

🟢

Initial NPI Registration & Enumeration July 06, 2010

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: 1245542323

Entity Type:

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

Enumeration Date: July 06, 2010

Last Update: January 21, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

7251 W 20th St Unit K

Greeley, CO 806344626

Phone: 9703781414

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.