JOHN E AHLSKOG – Neurology Physician, NPI 1386629335

JOHN E AHLSKOG is a healthcare provider. based in Rochester, Minnesota. specializing in NEUROLOGY. They hold a License No. 24226 (MN). The NPI Number for JOHN E AHLSKOG is 1386629335

Main info

Male
50 Years Of Experience
Accepts Medicare Assignment
Name
JOHN E AHLSKOG
NPI
1386629335
Phone
(507) 284-2511
Address
200 1ST ST SW
Enumeration Date
13 December 2005
Last Update Date
31 May 2022

Doctor Profile

Medical School Name
GEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Secondary Phone
5072842511
Graduation Year
1976 (50 years ago)
PAC ID
0446393888
Group Practice PAC ID
6507778255
Professional Enrollment ID
I20100206000145
Address ID
MN559050001RO200XXSWXX400
Telehealth
Yes

Contacts

Secure Messaging
jahlskog130668@ehrdirect.mayoclinicmsg.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

640 NEUROLOGY in MN

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Provider Addresses for JOHN E AHLSKOG

  • 1st Street Southwest, Rochester, Olmsted County, Minnesota, 55903, United States

    ROCHESTER, MN 559050001

    Phone: (507) 284-2511

    Mailing address matches the actual address.

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: 2010-02-06

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
I20100206000145INeurologyMNTBD

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
99215Established patient office or other outpatient visit, 40-54 minutes153138$0
99205New patient office or other outpatient visit, 60-74 minutes9191$0
G2212Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or7236$0
99214Established patient office or other outpatient visit, 30-39 minutes3838$0
99204New patient office or other outpatient visit, 45-59 minutes2424$0
View full utilization report →

Insurance plans in this area (ZIP 55905)

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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: 6507778255View full group profile

Reviews

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Frequently asked questions

How is JOHN E AHLSKOG identified in CMS data?
CMS-hosted NPPES data lists JOHN E AHLSKOG with NPI 1386629335.
Is JOHN E AHLSKOG still practicing?
JOHN E AHLSKOG is currently listed as active in the public NPI registry.
What is JOHN E AHLSKOG's specialty?
The listing groups JOHN E AHLSKOG with Neurology Physician. Clinical services aligned with this taxonomy classification.
What area does JOHN E AHLSKOG serve?
JOHN E AHLSKOG's listing highlights Rochester, Minnesota; more addresses can appear in NPPES.
Why does JOHN E AHLSKOG have multiple addresses?
2 practice locations appear in the available data. Multiple addresses are common for hospital privileges, telehealth, or multi-site groups.

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