DR. FREDERICK DANIEL GROSSMAN PHD
NPI 1871673509
Psychologist - Clinical in Portland, OR
About Dr. Frederick Daniel Grossman Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FREDERICK DANIEL GROSSMAN PHD (NPI 1871673509) is an individual clinical provider in Portland, Oregon, licensed in Missouri (PSY00897) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (1977).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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. Frederick Daniel Grossman Phd 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 Frederick Grossman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Portland, OR 97209
- Reassigned Medicare billing, Oregon enrollment
- 2 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 5
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 97209 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTLAND, OR 97209
PORTLAND, OR 97209
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 Frederick Grossman's NPI number?
The NPI number for Frederick Grossman is 1871673509. It was assigned to this individual provider in the NPPES registry on October 17, 2006.
Where is Frederick Grossman located?
Frederick Grossman practices at 1130 NW 12th Ave Apt 614, Portland, OR 97209. The listed phone number is (503) 505-7227.
What is Frederick Grossman's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Frederick Grossman enrolled in Medicare?
Yes. Frederick Grossman 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 Frederick Grossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frederick Grossman reassigns Medicare benefits to Integrated Psychological Services Of The Pacific Northwest (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 Frederick Grossman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frederick Grossman accept?
Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Frederick Grossman as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Frederick Grossman was last updated on September 29, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Frederick Daniel Grossman, PHD · NPI 1871673509
Clinical provider in Portland, Oregon. Individual provider, active in the CMS NPPES registry since October 17, 2006.
## Identity
- **NPI:** 1871673509 (Entity type: Individual)
- **Enumerated:** October 17, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY00897 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1130 NW 12TH AVE APT 614, Portland, OR 97209-2860
- **Phone:** (503) 505-7227 · **Fax:** (503) 564-0739
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Integrated Psychological Services Of The Pacific Northwest (NPI 1962071647, Portland, OR), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Iowa, Rj & L Carver College Of Medicine, class of 1977
## Record status
- **NPPES last updated:** September 29, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1871673509) · Data from the CMS NPPES public registry.