DR. JUSTIN GRANSTEIN (MD) – Neurology Physician, NPI 1699169599

DR. JUSTIN GRANSTEIN (MD) is a healthcare provider. based in Seattle, Washington. specializing in NEUROLOGY. They hold the professional credentials MD. They hold a License No. 1015998 (MA). The NPI Number for DR. JUSTIN GRANSTEIN (MD) is 1699169599

Main info

Male
11 Years Of Experience
Accepts Medicare Assignment
Name
DR. JUSTIN GRANSTEIN (MD)
NPI
1699169599
Phone
Not provided
Address
1959 NE PACTIFIC ST RM BB-527
Enumeration Date
27 March 2015
Last Update Date
20 July 2023

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6176327246
Graduation Year
2015 (11 years ago)
PAC ID
5496067753
Group Practice PAC ID
4486567104
Professional Enrollment ID
I20230912000288
Address ID
MA022155501BO110XXSTXX300
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience56
Completeness75
Years active:11State licenses:1Digital endpointsOther names

590 NEUROLOGY in WA

Provider Addresses for DR. JUSTIN GRANSTEIN (MD)

  • 1959 NE PACTIFIC ST RM BB-527

    BOX 356421

    SEATTLE, WA 981956421

    Phone:

    Type: Mailing

  • 200 S MANCHESTER AVE STE 210

    ORANGE, CA 928683211

    Phone:

    Type: Mailing

  • 200 S Manchester Ave Ste 210

    Orange, CA 928683211

    Phone: (714) 456-7495

    Type: Location

  • 101 The City Dr S

    Orange, CA 928683201

    Phone: (714) 880-7812

    Type: Location

  • 110 FRANCIS ST STE 3B

    BOSTON, MA 022155501

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 30 Open Payments records for all available years, with a total value of $3,271.

Total Amount is formed as General ($3,271) + Research ($0) + Ownership ($0) = $3,271.

Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Medical Device Business Services, Inc. ($1,746).

Total Amount

$3,271

General + Research + Ownership

Payments

30

Total payment records

General Amount

$3,271

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-13

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

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: 2023-09-12

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking 2 Medicare enrollment records; no due dates published yet.

Enrollment records

2

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
I20210506003022INeurologyCATBD
I20230912000288INeurologyMATBD

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
36224Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist1211$0
View full utilization report →

Insurance plans in this area (ZIP 98195)

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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: 4486567104View full group profile

Reviews

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Frequently asked questions

What NPI should I save for DR. JUSTIN GRANSTEIN (MD)?
Save NPI 1699169599 if you need a stable reference for DR. JUSTIN GRANSTEIN (MD).
Is DR. JUSTIN GRANSTEIN (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
What kind of provider is DR. JUSTIN GRANSTEIN (MD)?
The page reflects Neurology Physician for DR. JUSTIN GRANSTEIN (MD). Clinical services aligned with this taxonomy classification.
What location shows for DR. JUSTIN GRANSTEIN (MD)?
We surface Seattle, Washington for DR. JUSTIN GRANSTEIN (MD) based on available NPPES addresses.
How can I contact DR. JUSTIN GRANSTEIN (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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