Active NPI 1558801399 Individual Practitioner Female Practitioner

Marcella Pierce , PA-C

Physician Assistant • Grass Valley, CA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Marcella Pierce, PA-C is a certified Physician Assistant practicing in Grass Valley, CA. With approximately 10 years of clinical experience since completing medical education in 2016, Marcella Pierce delivers high-quality medical care to the local community at 844 OLD TUNNEL RD.

Marcella Pierce is affiliated with Western Sierra Medical Clinic Inc and accepts Medicare assignment.

Frequently performed procedures and clinical services include urinalysis, manual test, established patient outpatient office visit, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

844 Old Tunnel Rd

Grass Valley, CA 959458524

Telephone 5302749762

Associated Practice Facility / Clinic

🏢 Western Sierra Medical Clinic, Inc. Facility NPI 1063496396

Medicare Profile & Education

Medical School

Other

Graduation Year

2016

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Physician Assistant in Grass Valley, CA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

10 Yrs -1.1 yrs vs City Avg

City Avg: 11.1 Yrs

State Avg: 11.5 Yrs

Regional Practice Density

21 Specialists

Practicing in Grass Valley, CA (14617 Statewide)

Telehealth Adoption Rate

4.8% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

81.1% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Pierce (10 Years) 10 Yrs

Grass Valley Specialty Average (11.1 Years) 11.1 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
81002 Urinalysis, manual test	52	44	$18.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81002 Urinalysis, manual test	40	37	$18.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
81002 Urinalysis, manual test	20	20	$18.00	$3.41
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	11	$170.00	$113.68

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	166	150	$155.99	$114.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	118	118	$170.76	$98.40
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	66	64	$98.00	$35.33
91301 Sarscov2 vac 100mcg/0.5ml im	47	46	$0.01	$0.01
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$213.09	$147.70
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	32	32	$46.25	$20.50
71046 X-ray of chest, 2 views	32	16	$132.00	$16.61
81001 Manual urinalysis test with examination using microscope, automated	29	28	$35.00	$3.17
81003 Automated urinalysis test	25	25	$20.00	$2.25
0013A Adm sarscov2 100mcg/0.5ml3rd	24	24	$40.00	$35.60
99213 Established patient office or other outpatient visit, typically 15 minutes	23	20	$120.00	$80.85
90471 Administration of 1 vaccine	16	16	$41.00	$15.15
0012A Adm sarscov2 100mcg/0.5ml2nd	15	15	$30.71	$27.11
69209 Removal of impacted ear wax by washing	14	14	$99.00	$17.69
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)	14	14	$60.00	$34.70

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	207	193	$155.00	$96.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	97	97	$170.00	$95.22
71046 X-ray of chest, 2 views	45	25	$132.00	$17.37
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	40	40	$210.00	$144.72
81001 Manual urinalysis test with examination using microscope, automated	38	38	$35.00	$3.15
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	32	31	$40.00	$20.93
99213 Established patient office or other outpatient visit, typically 15 minutes	28	28	$120.00	$66.68
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus	26	26	$93.62	$35.33
81003 Automated urinalysis test	22	22	$20.00	$2.23
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$125.00	$67.58
90471 Administration of 1 vaccine	12	12	$41.00	$12.71
99441 Telephone medical discussion with physician, 5-10 minutes	12	12	$75.00	$40.59
36415 Insertion of needle into vein for collection of blood sample	11	11	$20.00	$2.98

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	195	187	$155.00	$95.22
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	152	152	$170.00	$94.48
99213 Established patient office or other outpatient visit, typically 15 minutes	77	76	$120.00	$65.05
71046 X-ray of chest, 2 views	66	36	$132.00	$16.74
81001 Manual urinalysis test with examination using microscope, automated	37	36	$35.00	$3.45
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	34	34	$210.00	$143.09
90471 Administration of 1 vaccine	28	28	$41.00	$14.80
81003 Automated urinalysis test	21	21	$20.00	$2.44
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older)	19	19	$60.00	$32.01
36415 Insertion of needle into vein for collection of blood sample	16	16	$20.00	$2.94
93000 Routine ekg using at least 12 leads including interpretation and report	14	13	$90.00	$14.84
69209 Removal of impacted ear wax by washing	12	12	$73.58	$12.81

Medical Specialties & State Licenses

CMS Verified: 2022-07-13

Physician Assistant Primary Specialty

NUCC Taxonomy Code: 363A00000X

State License CA 54217

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

Hospital & Practice Group Affiliations

Western Sierra Medical Clinic Inc

844 Old Tunnel Rd, Grass Valley, CA 959458524

Phone: 5302749762

Practice Associates & Co-Workers

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

21 Associated Practitioners

Dr. Karen Higgins , MD

Psychiatry & Neurology - Psychiatry

NPI 1023005774

Doctor of Medicine (M.D.)

Ashley Church , PA-C

Physician Assistant - Medical

NPI 1033800420

Physician Assistant (Certified)

Stacie La Jeunesse , CPNP

Nurse Practitioner - Pediatrics

NPI 1053447870

Certified Pediatric Nurse Practitioner

Karen Walker , PA-C

Physician Assistant

NPI 1134883010

Physician Assistant (Certified)

Havilyn Harrar , PMHNP

Nurse Practitioner - Psychiatric/Mental Health

NPI 1316554306

Psychiatric-Mental Health Nurse Practitioner

Katelyn Fernandez , PA-C, RD

Physician Assistant

NPI 1316598741

Physician Assistant (Certified), Registered Dietitian

Career & Practice History Timeline

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

9 Historical Events

📍

Updated Practice Location July 13, 2022

Registered at 844 OLD TUNNEL RD, GRASS VALLEY, CA 959458524 (Tel: 5302749762)

📍

Updated Business Mailing Address July 13, 2022

Registered at 844 OLD TUNNEL RD, GRASS VALLEY, CA 959458524 (Tel: 5302749762)

👤

Provider Name / Credentials Updated July 13, 2022

Recorded as MARCELLA PIERCE, PA-C

✅

NPI Profile Active March 01, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 01, 2017

Registered at 2090 NEVADA CITY HWY, GRASS VALLEY, CA 959457702 (Tel: 5302745022)

📍

Updated Business Mailing Address March 01, 2017

Registered at 2090 NEVADA CITY HWY, GRASS VALLEY, CA 959457702 (Tel: 5302745022)

👤

Provider Name / Credentials Updated March 01, 2017

Recorded as MARCELLA PIERCE

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 01, 2017

Physician Assistant (License #54217 in CA)

🟢

Initial NPI Registration & Enumeration February 27, 2017

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: 1558801399

Entity Type:

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

Enumeration Date: February 27, 2017

Last Update: July 13, 2022

Sole Proprietor: No

Update or Correct Profile

Mailing Address

844 Old Tunnel Rd

Grass Valley, CA 959458524

Phone: 5302749762

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.