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DR. ERIC JOHN HOLTROP M.D.
NPI 1881790459
Internal Medicine in Grass Valley, CA

Active since September 14, 2006Opted out of Medicare · through Apr 1, 2027
280 SIERRA COLLEGE DR, SUITE 120, GRASS VALLEY, CA 95945(530) 477-4480(530) 274-7532 Get Directions Write a Review

NPPES record last updated: August 5, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Eric John Holtrop M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ERIC JOHN HOLTROP M.D. (NPI 1881790459) is an individual internal medicine provider in Grass Valley, California, licensed in California (A72244) and active in the NPI registry since September 2006. He has opted out of Medicare through April 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1881790459
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ERIC JOHN HOLTROPCredential: M.D.
Location Address280 SIERRA COLLEGE DR, SUITE 120Grass Valley, CA 95945-5763
Mailing Address3400 Data Dr, Quality ManagementRancho Cordova, CA 95670-7956
Phone(530) 477-4480
Fax(530) 274-7532
Sole ProprietorNo
Enumeration DateSeptember 14, 2006
Last NPPES UpdateAugust 5, 2016
✔ NPI 1881790459 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A72244
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
280 SIERRA COLLEGE DR, Grass Valley, CA 95945
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Eric John Holtrop M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2023 through April 1, 2027.

Opt-Out Effective DateApril 1, 2023
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95945 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers12 claims21 services$4.82 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier11 claims11 services$43.17 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHALVI SHAILI
Nurse Practitioner (Family)
280 SIERRA COLLEGE DR
GRASS VALLEY, CA 95945
Nevada County (530) 273-8452
MD PARTNERS IPA
Health Maintenance Organization
280 SIERRA COLLEGE DR, STE #205
GRASS VALLEY, CA 95945
Nevada County (657) 217-4500
MRS. KISHA CHRISTINE HUGHES MD
Internal Medicine
280 SIERRA COLLEGE DR, SUITE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
GRASS VALLEY EXTENDED CARE INC
Preferred Provider Organization
280 SIERRA COLLEGE DR, 201
GRASS VALLEY, CA 95945
Nevada County (530) 273-8452
DR. JANETTE MARIE CARPENTER M.D.
Otolaryngology
280 SIERRA COLLEGE DR, SUITE 105
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
GRASS VALLEY HOPE MEDICAL GROUP
Internal Medicine
280 SIERRA COLLEGE DR, 205
GRASS VALLEY, CA 95945
Nevada County (530) 273-8452
DR. THOMAS I KANOMATA MD
Internal Medicine
280 SIERRA COLLEGE DR, SUITE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480
JILL ELIZABETH FITZPATRICK MD
Family Medicine
280 SIERRA COLLEGE DR, SUITE 120
GRASS VALLEY, CA 95945
Nevada County (530) 477-4480

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eric Holtrop's NPI number?

The NPI number for Eric Holtrop is 1881790459. It was assigned to this individual provider in the NPPES registry on September 14, 2006.

Where is Eric Holtrop located?

Eric Holtrop practices at 280 Sierra College Dr Suite 120, Grass Valley, CA 95945. The listed phone number is (530) 477-4480.

What is Eric Holtrop's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Eric Holtrop enrolled in Medicare?

No. Eric Holtrop has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Eric Holtrop was last updated on August 5, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.