DR. RALPH A. HARTMAN MD
NPI 1851368716
Anesthesiology in Portland, OR
About Dr. Ralph A. Hartman Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RALPH A. HARTMAN MD (NPI 1851368716) is an individual anesthesiology provider in Portland, Oregon, licensed in Oregon (MD20988) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and is a graduate of Uniformed Services Uhs Fe Hebert School Of Med (1987).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ralph A. Hartman Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ralph Hartman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97205
- Reassigned Medicare billing, Oregon enrollment
- 271 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ralph Hartman's NPI number?
The NPI number for Ralph Hartman is 1851368716. It was assigned to this individual provider in the NPPES registry on February 28, 2006.
Where is Ralph Hartman located?
Ralph Hartman practices at 707 SW Washington St Suite 700, Portland, OR 97205. The listed phone number is (503) 299-9906.
What is Ralph Hartman's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ralph Hartman enrolled in Medicare?
Yes. Ralph Hartman is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ralph Hartman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ralph Hartman reassigns Medicare benefits to Oregon Anesthesiology Group PC (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ralph Hartman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ralph Hartman was last updated on October 15, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Dr. Ralph A. Hartman, MD · NPI 1851368716
Anesthesiology physician in Portland, Oregon. Individual provider, active in the CMS NPPES registry since February 28, 2006.
## Identity
- **NPI:** 1851368716 (Entity type: Individual)
- **Enumerated:** February 28, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD20988 (Oregon)
- **Sole proprietor:** No
## Practice location
- **Address:** 707 SW WASHINGTON ST, SUITE 700, Portland, OR 97205-3536
- **Phone:** (503) 299-9906 · **Fax:** (503) 225-9002
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Oregon Anesthesiology Group PC (NPI 1477527786, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Uniformed Services Uhs Fe Hebert School Of Med, class of 1987
## Record status
- **NPPES last updated:** October 15, 2018
- **Other identifiers:** Medicaid 8225161 (WA); Medicaid 151049 (OR); Other 050062339 (OR)
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Source: [NPI Profile](https://npiprofile.com/npi/1851368716) · Data from the CMS NPPES public registry.