DR. MARKUS H.A. OPEL (M.D.) – Internal Medicine Physician, NPI 1255336046

DR. MARKUS H.A. OPEL (M.D.) is a healthcare provider. based in Grants pass, Oregon. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. MD18981 (OR). The NPI Number for DR. MARKUS H.A. OPEL (M.D.) is 1255336046

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARKUS H.A. OPEL (M.D.)
NPI
1255336046
Phone
(541) 476-6644
Address
495 SW RAMSEY AVE
Enumeration Date
17 June 2005
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5414766644
Graduation Year
1989 (37 years ago)
PAC ID
1850382292
Group Practice PAC ID
9234123977
Professional Enrollment ID
I20040524000371
Address ID
OR975275681GR495XXAVEX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

2,474 INTERNAL MEDICINE in OR

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Provider Addresses for DR. MARKUS H.A. OPEL (M.D.)

  • 495, Ramsey Avenue, Grants Pass, Josephine County, Oregon, 97527, United States

    GRANTS PASS, OR 97527

    Phone: (541) 476-6644

    Fax: (541) 472-5673

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2004-05-24

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20040524000371IInternal MedicineORTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
36415Insertion of needle into vein for collection of blood sample364176$0
99214Established patient office or other outpatient visit, 30-39 minutes308160$0
99213Established patient office or other outpatient visit, 20-29 minutes203135$0
80053Blood test, comprehensive group of blood chemicals192135$0
G0439Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit147147$0
View full utilization report →

Insurance plans in this area (ZIP 97527)

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Provider's Procedures

DR. MARKUS H.A. OPEL (M.D.) performs procedures in INTERNAL MEDICINE. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEOR45385Removal of polyps or growths of large bowel using an endoscope2020
INTERNAL MEDICINEOR83036Hemoglobin A1C level9354
INTERNAL MEDICINEOR85610Blood test, clotting time33645

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9234123977View full group profile
NameSpecialtyState
-OR
Family PracticeOR
Physician AssistantOR
Family PracticeOR
Physician AssistantOR
Internal MedicineOR
General SurgeryOR
P O D I A T R YOR
Nurse PractitionerOR
Nurse PractitionerOR

Reviews

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Frequently asked questions

Can I verify DR. MARKUS H.A. OPEL (M.D.) with an NPI only?
You can start verification with NPI 1255336046 for DR. MARKUS H.A. OPEL (M.D.), then check state licensing separately.
Does CMS list DR. MARKUS H.A. OPEL (M.D.) as active?
Yes — DR. MARKUS H.A. OPEL (M.D.) is active in the NPI listing used on this page.
What taxonomy line describes DR. MARKUS H.A. OPEL (M.D.)?
For research purposes, treat DR. MARKUS H.A. OPEL (M.D.) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect DR. MARKUS H.A. OPEL (M.D.) on a map?
Expect Grants Pass, Oregon as a primary anchor for DR. MARKUS H.A. OPEL (M.D.) unless the record lists multiple sites.
Is the information about DR. MARKUS H.A. OPEL (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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