IAN HARRIS KRATTER MD, PHD
NPI 1932595493
Psychiatry & Neurology - Psychiatry in Stanford, CA
About Ian Harris Kratter Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IAN HARRIS KRATTER MD, PHD (NPI 1932595493) is an individual psychiatry provider in Stanford, California, licensed in California (A160540) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of California, San Francisco School Of Medicine (2013).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Ian Harris Kratter Md, 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 Reassignments
4Medicare enrollment records show Ian Kratter reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Fremont, CA 94538
- Reassigned Medicare billing, California enrollment
- 31 clinicians in this Medicare group
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 19 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 6
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 94305 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Ian Kratter's NPI number?
The NPI number for Ian Kratter is 1932595493. It was assigned to this individual provider in the NPPES registry on April 11, 2015.
Where is Ian Kratter located?
Ian Kratter practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Ian Kratter's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Ian Kratter enrolled in Medicare?
Yes. Ian Kratter 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 organizations bill Medicare for Ian Kratter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Kratter reassigns Medicare benefits to 4 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), Ocean Psychiatry Inc (Fremont, CA) and Center For Neurohealth, Inc. (La Jolla, CA). Each 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 Ian Kratter'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 Ian Kratter was last updated on April 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ian Harris Kratter, MD, PHD · NPI 1932595493
Psychiatry physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 11, 2015.
## Identity
- **NPI:** 1932595493 (Entity type: Individual)
- **Enumerated:** April 11, 2015
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A160540 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Ocean Psychiatry Inc (NPI 1396306338, Fremont, CA); Center For Neurohealth, Inc. (NPI 1154864874, La Jolla, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2013
## Record status
- **NPPES last updated:** April 30, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1932595493) · Data from the CMS NPPES public registry.