Physician Profile
Unclaimed ProfileAbout GRUBBS
Based in Longview, WA, John Michael Grubbs, MD is listed in the NPI registry under family practice. John graduated from University of Texas Medical School at Houston in 1991. John is also listed as specializing in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Grubbs's specialty?
Dr. Grubbs is a family practice in Longview, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Where can I find Dr. Grubbs?
Dr. Grubbs is listed at 1230 7TH AVE MOD S, Longview, WA 98632. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Grubbs?
The number on file is (360) 636-2400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Grubbs's NPI number?
Dr. Grubbs's National Provider Identifier is 1174636740. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Grubbs's medical education?
Dr. Grubbs attended University of Texas Medical School at Houston, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Grubbs been practicing?
Dr. Grubbs has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Grubbs known for?
According to Medicare billing data, Dr. Grubbs the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Grubbs confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Grubbs. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (360) 636-2400
- Email not available
Practice Locations
1230 7TH AVE MOD S
Longview, WA 98632
Procedures Most Often Billed to Medicare
33 services · 24 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
20 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 2
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Longview 6
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Texas Medical School at Houston 8
Providers who graduated from the same medical school in the same year.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.