DR. IAN A LANG (DO) – Internal Medicine Physician, NPI 1184786998

DR. IAN A LANG (DO) is a healthcare provider. based in Denver, Colorado. specializing in INTERNAL MEDICINE. They hold the professional credentials DO. They hold a License No. 52525 (CO). The NPI Number for DR. IAN A LANG (DO) is 1184786998

Main info

Male
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. IAN A LANG (DO)
NPI
1184786998
Phone
Not provided
Address
10350 E DAKOTA AVE
Enumeration Date
15 December 2006
Last Update Date
3 May 2021

Doctor Profile

Medical School Name
AT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Secondary Phone
3033384545
Graduation Year
2006 (20 years ago)
PAC ID
4789821596
Group Practice PAC ID
1254238454
Professional Enrollment ID
I20131023001463
Address ID
CO800263370LA280XXCIRC301

Contacts

SOAP Endpoint
https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggateways
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience67
Completeness85
Years active:19State licenses:1Other namesUpdated within 12 months

2,994 INTERNAL MEDICINE in CO

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Provider Addresses for DR. IAN A LANG (DO)

  • 10350 E DAKOTA AVE

    DENVER, CO 802471314

    Phone:

    Type: Mailing

  • KP Drop Off, 280, Exempla Circle, Lafayette, Boulder County, Colorado, 80026-2872, United States

    LAFAYETTE, CO 800263370

    Phone: (303) 338-4545

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2013-10-23

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
I20131023001463IInternal 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.

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

Insurance plans in this area (ZIP 80247)

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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: 1254238454View full group profile
NameSpecialtyState
Nurse PractitionerCO
-CO
Physical Therapist In Private PracticeCO
-CO
-CO
-CO
Cardiovascular Disease (Cardiology)CO
Physical Therapist In Private PracticeCO
Physical Therapist In Private PracticeCO
Family PracticeCO

Reviews

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Frequently asked questions

Does DR. IAN A LANG (DO) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. IAN A LANG (DO) uses 1184786998.
Is DR. IAN A LANG (DO) listed as active for patients and plans?
The listing shows DR. IAN A LANG (DO) as active in the NPI system.
What taxonomy line describes DR. IAN A LANG (DO)?
For research purposes, treat DR. IAN A LANG (DO) as Internal Medicine Physician in this dataset. Clinical services aligned with this taxonomy classification.
What area does DR. IAN A LANG (DO) serve?
DR. IAN A LANG (DO)'s listing highlights Denver, Colorado; more addresses can appear in NPPES.
Why does DR. IAN A LANG (DO) have multiple addresses?
3 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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