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Active NPI 1518334465 Individual Practitioner Female Practitioner

Mariya Alder , NP

Nurse Practitioner • Grass Valley, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Mariya Alder, NP is a certified Nurse Practitioner practicing in Grass Valley, CA. With approximately 11 years of clinical experience since completing medical education in 2015, Mariya Alder delivers high-quality medical care to the local community at 300 SIERRA COLLEGE DR STE 150.

Mariya Alder maintains professional affiliations with Regents Of The University Of California, Grass Valley Radiation Oncology, Regents Of The Univ Of Ca 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, telephone medical discussion with physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

300 Sierra College Dr Ste 150

Grass Valley, CA 959455083

Telephone 5302746600
Associated Practice Facility / Clinic

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Grass Valley, CA

Established Specialist (10-20 Yrs)
Practitioner Clinical Experience
11 Yrs -6.0 yrs vs City Avg
City Avg: 17.0 Yrs
State Avg: 11.7 Yrs
Regional Practice Density
11 Specialists

Practicing in Grass Valley, CA (8378 Statewide)

Telehealth Adoption Rate
27.3% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount
74.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Alder (11 Years) 11 Yrs
Grass Valley Specialty Average (17.0 Years) 17.0 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
252 170 $59.00 $14.31
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
155 120 $502.00 $84.05
99213 Established patient office or other outpatient visit, typically 15 minutes
82 72 $354.00 $56.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more
79 60 $699.00 $124.63
99443 Telephone medical discussion with physician, 21-30 minutes
30 23 $177.50 $84.03
99442 Telephone medical discussion with physician, 11-20 minutes
28 24 $114.50 $56.68
G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic
20 18 $53.00 $11.05
99442 Telephone medical discussion with physician, 11-20 minutes
19 13 $131.00 $65.98
99443 Telephone medical discussion with physician, 21-30 minutes
15 14 $194.00 $84.17
99421 Online digital evaluation and management service for an established patient for up to 7 days, total time 5-10 minutes
15 15 $55.00 $11.05

Medical Specialties & State Licenses

CMS Verified: 2025-08-27
Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License CA 95002925

(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.

Hospital & Practice Group Affiliations

Regents Of The Univ Of Ca

4501 X St, Sacramento, CA 958172229

Phone: 9167345959

Grass Valley Radiation Oncology

300 Sierra College Dr, Grass Valley, CA 959455083

Phone: 5302746600

Regents Of The University Of California

4860 Y St, Sacramento, CA 958172307

Secondary Practice Locations

2279 45th St Fl 2

Sacramento, CA 958171514

Phone: 9167345959

155 Glasson Way Bldg 3l-20

Grass Valley, CA 959455723

Phone: 5302746600

Practice Associates & Co-Workers

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

4 Associated Practitioners
Dr. Mehwish Khan , MD

Internal Medicine

NPI 1174721385

Doctor of Medicine (M.D.)

Dr. Clayton Hess , MD

Radiology - Radiation Oncology

NPI 1235429507

Doctor of Medicine (M.D.)

Dr. David Kraus , MD

Radiology - Radiation Oncology

NPI 1710987953

Doctor of Medicine (M.D.)

Elise Morgan , NP

Nurse Practitioner

NPI 1790549368

Nurse Practitioner

Career & Practice History Timeline

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

12 Historical Events
📍
Updated Practice Location August 27, 2025

Registered at 300 SIERRA COLLEGE DR STE 150, GRASS VALLEY, CA 959455083 (Tel: 5302746600)

📍
Updated Business Mailing Address August 27, 2025

Registered at PO BOX 24132, SEATTLE, WA 981240132

👤
Provider Name / Credentials Updated August 27, 2025

Recorded as MARIYA ALDER, NP

📍
Updated Practice Location February 25, 2021

Registered at 2279 45TH ST FL 2, SACRAMENTO, CA 958171514 (Tel: 9167345959)

📍
Updated Business Mailing Address February 25, 2021

Registered at 4501 X ST STE 3016, SACRAMENTO, CA 958172229 (Tel: 9167345959)

📍
Updated Business Mailing Address February 04, 2021

Registered at 2279 45TH ST FL 2, SACRAMENTO, CA 958171514 (Tel: 9167345959)

NPI Profile Active September 14, 2016

NPI status registered as active in NPPES database

📍
Updated Practice Location September 14, 2016

Registered at 2021 MAIN ST, OAKLEY, CA 945613302 (Tel: 9257768200)

📍
Updated Business Mailing Address September 14, 2016

Registered at 400 TAYLOR BLVD, STE 202, PLEASANT HILL, CA 945232163 (Tel: 9256775041)

👤
Provider Name / Credentials Updated September 14, 2016

Recorded as MARIYA RYAZANTSEVA, NP

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 14, 2016

Nurse Practitioner (License #95002925 in CA)

🟢
Initial NPI Registration & Enumeration August 26, 2015

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: 1518334465
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 26, 2015
Last Update: August 27, 2025
Sole Proprietor: No

Mailing Address

Po Box 24132

Seattle, WA 981240132

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.