ALLEN FREDERICK NAMATH GROMME (MD) – Critical Care Medicine (Internal Medicine) Physician, NPI 1275653586

ALLEN FREDERICK NAMATH GROMME (MD) is a healthcare provider. based in Los altos, California. specializing in Critical Care Medicine (Internal Medicine) Physician. They hold the professional credentials MD. They hold a License No. A80406 (CA). The NPI Number for ALLEN FREDERICK NAMATH GROMME (MD) is 1275653586

Main info

Male
Sole Proprietor
25 Years Of Experience
Accepts Medicare Assignment
Name
ALLEN FREDERICK NAMATH GROMME (MD)
NPI
1275653586
Phone
(650) 853-2976
Address
325 DISTEL CIR
Enumeration Date
30 March 2007
Last Update Date
16 April 2024

Doctor Profile

Medical School Name
STANFORD UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8316377630
Graduation Year
2001 (25 years ago)
PAC ID
2668565029
Group Practice PAC ID
4284538778
Professional Enrollment ID
I20070830000864
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience72
Completeness75
Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for ALLEN FREDERICK NAMATH GROMME (MD)

  • 325 DISTEL CIR

    LOS ALTOS, CA 940221408

    Phone: (650) 853-2976

    Type: Mailing

  • 795 EL CAMINO REAL

    PALO ALTO, CA 943012302

    Phone: (650) 321-4121

    Type: Location

  • 199 1ST ST STE 310

    LOS ALTOS, CA 940222708

    Phone: (650) 713-0700

    Fax: (650) 713-0703

    Type: Location

  • 300 Pasteur Dr

    Stanford, CA 943052200

    Phone: (650) 723-4000

    Type: Location

  • 300 PASTEUR DR

    STANFORD, CA 943052200

    Phone: (650) 723-4000

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $25.

Total Amount is formed as General ($25) + Research ($0) + Ownership ($0) = $25.

Last reported payment date: 2023-07-18 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($25).

Total Amount

$25

General + Research + Ownership

Payments

1

Total payment records

General Amount

$25

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-07-18

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94022)

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Provider's Procedures

ALLEN FREDERICK NAMATH GROMME (MD) performs procedures in Critical Care Medicine (Internal Medicine) Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
PULMONARY DISEASECA90670Pneumococcal vaccine for injection into muscle1818
PULMONARY DISEASECA94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration197195

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: 4284538778View full group profile
NameSpecialtyState
A L L E R G Y/ I M M U N O L O G YCA
-CA
Obstetrics/Gynecology, HospitalistCA
O B S T E T R I C S/ G Y N E C O L O G YOR
-CA
-CA
-CA
-CA
A N E S T H E S I O L O G YCA
G A S T R O E N T E R O L O G YCA

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Frequently asked questions

Does ALLEN FREDERICK NAMATH GROMME (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — ALLEN FREDERICK NAMATH GROMME (MD) uses 1275653586.
Is ALLEN FREDERICK NAMATH GROMME (MD) listed as active for patients and plans?
The listing shows ALLEN FREDERICK NAMATH GROMME (MD) as active in the NPI system.
What is ALLEN FREDERICK NAMATH GROMME (MD) best known for clinically?
Directory data describes ALLEN FREDERICK NAMATH GROMME (MD) with Critical Care Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
What area does ALLEN FREDERICK NAMATH GROMME (MD) serve?
ALLEN FREDERICK NAMATH GROMME (MD)'s listing highlights Los Altos, California; more addresses can appear in NPPES.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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