DR. JOHN C LAMBERT (M.D.) – Internal Medicine Physician, NPI 1407859549

DR. JOHN C LAMBERT (M.D.) is a healthcare provider. based in Montrose, Colorado. specializing in INTERNAL MEDICINE. They hold the professional credentials M.D.. They hold a License No. 18824 (CO). The NPI Number for DR. JOHN C LAMBERT (M.D.) is 1407859549

Main info

Male
52 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN C LAMBERT (M.D.)
NPI
1407859549
Phone
(970) 249-7751
Address
2303 S TOWNSEND AVE STE A
Enumeration Date
23 May 2005
Last Update Date
25 November 2024

Doctor Profile

Medical School Name
WEST VIRGINIA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
9702522691
Graduation Year
1974 (52 years ago)
PAC ID
8729029913
Group Practice PAC ID
1658272992
Professional Enrollment ID
I20100111000802
Address ID
CO814014212MO800XXSTXX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:21State licenses:1Digital endpointsOther names

2,994 INTERNAL MEDICINE in CO

Provider Addresses for DR. JOHN C LAMBERT (M.D.)

  • 2303 S TOWNSEND AVE STE A

    MONTROSE, CO 814015452

    Phone: (970) 249-7751

    Fax: (970) 249-5029

    Type: Mailing

  • 3330 S RIO GRANDE AVE STE 300

    MONTROSE, CO 814014850

    Phone: (970) 249-7751

    Fax: (970) 249-5029

    Type: Location

  • South Nevada Avenue, Montrose, Montrose County, Colorado, 81401, United States of America

    MONTROSE, CO 814014273

    Phone: (970) 249-7751

    Fax: (970) 249-5029

    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 $23.

Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.

Last reported payment date: 2024-04-16 • Largest payer in this snapshot: Meridian Bioscience Inc. ($23).

Total Amount

$23

General + Research + Ownership

Payments

1

Total payment records

General Amount

$23

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-04-16

Latest reported date

Top Companies

Largest payers in this snapshot

CompanyAmount
Meridian Bioscience Inc.$23
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: 2010-01-11

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

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
I20100111000802IInternal MedicineCOTBD

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
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes7573$0
99291Critical care, first 30-74 minutes1716$0
View full utilization report →

Insurance plans in this area (ZIP 81401)

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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: 1658272992View full group profile
NameSpecialtyState
Internal Medicine, Cardiovascular Disease (Cardiology), Interventional CardiologyCO
-CO
Physical Medicine And Rehabilitation, Pain ManagementCO
Diagnostic RadiologyTX
O B S T E T R I C S/ G Y N E C O L O G YCO
Diagnostic RadiologyTX
Nurse PractitionerCO
Nurse PractitionerCO
Diagnostic RadiologyAZ
-NC

Reviews

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Frequently asked questions

What number should I use to identify DR. JOHN C LAMBERT (M.D.) for billing?
Administrative and clinical systems typically use NPI 1407859549 for DR. JOHN C LAMBERT (M.D.).
Should I treat DR. JOHN C LAMBERT (M.D.) as an active provider?
Patients and plans typically see DR. JOHN C LAMBERT (M.D.) as active in the national extract.
Which specialty label fits DR. JOHN C LAMBERT (M.D.)?
NPPES ties DR. JOHN C LAMBERT (M.D.) to Internal Medicine Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. JOHN C LAMBERT (M.D.)?
DR. JOHN C LAMBERT (M.D.) is associated with Montrose, Colorado in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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