ALLEN FREDERICK NAMATH GROMME MD
NPI 1275653586
Internal Medicine - Critical Care Medicine in Los Altos, CA

Q: What is Allen Namath Gromme's NPI number?

The NPI number for Allen Namath Gromme is 1275653586. It was assigned to this individual provider in the NPPES registry on March 30, 2007. The provider is also known as Allen Frederick Namath M.D..

Q: What is Allen Namath Gromme's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: Is Allen Namath Gromme enrolled in Medicare?

No. Allen Namath Gromme has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Active since March 30, 2007Opted out of Medicare · through Apr 1, 2028

199 1ST ST STE 310, LOS ALTOS, CA 94022(650) 713-0700(650) 713-0703 Get Directions Write a Review

NPPES record last updated: April 16, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Apr 16, 2024, May 28, 2020 (2 updates tracked since 2020).

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About Allen Frederick Namath Gromme Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALLEN FREDERICK NAMATH GROMME MD (NPI 1275653586) is an individual critical care medicine provider in Los Altos, California, licensed in California (A80406) and active in the NPI registry since March 2007. He has opted out of Medicare through April 1, 2028 and remains eligible to order and refer and maintains a secondary practice location in Stanford.

NPPES Registry Identity

NPI1275653586

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameALLEN FREDERICK NAMATH GROMMECredential: MD

Location Address199 1ST ST STE 310Los Altos, CA 94022-2708

Mailing Address300 Pasteur DrStanford, CA 94305-2200 · (650) 723-4000

Phone(650) 713-0700

Fax(650) 713-0703

Sole ProprietorYes

Enumeration DateMarch 30, 2007

Last NPPES UpdateApril 16, 20242 updates tracked since enumeration

NPPES CertifiedApril 16, 2024

✔ NPI 1275653586 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

License✔ Licensed in CA · A80406

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License A80406 (CA)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A80406 (CA)

199 1ST ST STE 310, Los Altos, CA 94022

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Other Names 1

Professional Name (2)Allen Frederick Namath M.d.

Secondary Practice Location 1

Location 1300 Pasteur DrStanford, CA 94305-2200 · Phone (650) 723-4000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Allen Frederick Namath Gromme Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2022 through April 1, 2028.

Opt-Out Effective DateApril 1, 2022

Opt-Out In Effect ThroughApril 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94022 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 6

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) E0470

DME-Other DME · category DE001N

2 suppliers19 claims19 services$54.79 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

3 suppliers51 claims51 services$2.70 avg. paid by Medicare

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

4 suppliers123 claims123 services$67.04 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

2 suppliers99 claims99 services$32.28 avg. paid by Medicare

Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme J7620

DME-Drugs Administered Through DME · category DG006N

3 suppliers11 claims1,350 services$0.10 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

9 suppliers35 claims35 services$25.35 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AMY BRANNING ELLIOTT MD

Internal Medicine (Rheumatology)

199 1ST ST STE 310
LOS ALTOS, CA 94022

Santa Clara County (650) 713-0700

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 Allen Namath Gromme's NPI number?

The NPI number for Allen Namath Gromme is 1275653586. It was assigned to this individual provider in the NPPES registry on March 30, 2007. The provider is also known as Allen Frederick Namath M.D..

Where is Allen Namath Gromme located?

Allen Namath Gromme practices at 199 1st St Ste 310, Los Altos, CA 94022. The listed phone number is (650) 713-0700.

What is Allen Namath Gromme's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is Allen Namath Gromme enrolled in Medicare?

No. Allen Namath Gromme has opted out of Medicare through April 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Allen Namath Gromme was last updated on April 16, 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.