JOHN D LITTLEJOHN (M.D.) – Obstetrics & Gynecology Physician, NPI 1649334038

JOHN D LITTLEJOHN (M.D.) is a healthcare provider. based in Roaring spring, Pennsylvania. specializing in Obstetrics & Gynecology Physician. They hold the professional credentials M.D.. They hold a License No. MD064555L (PA). The NPI Number for JOHN D LITTLEJOHN (M.D.) is 1649334038

Main info

Male
49 Years Of Experience
Accepts Medicare Assignment
Name
JOHN D LITTLEJOHN (M.D.)
NPI
1649334038
Phone
(814) 224-5455
Address
105 NASON DR
Enumeration Date
20 December 2006
Last Update Date
22 February 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8142245455
Graduation Year
1977 (49 years ago)
PAC ID
0547229320
Group Practice PAC ID
5890012728
Professional Enrollment ID
I20041008000207
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN D LITTLEJOHN (M.D.)

  • Conemaugh Nason Medical Center, 105, Nason Drive, Roaring Spring, Blair County, Pennsylvania, 16673, United States

    ROARING SPRING, PA 166731202

    Phone: (814) 224-5455

    Fax: (814) 224-5004

    Type: Location

  • 4 BRUSHMEADE

    HOLLIDAYSBURG, PA 166482720

    Phone: (814) 693-9767

    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: 2004-10-08

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
I20041008000207IObstetrics/GynecologyPATBD

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 16673)

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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: 5890012728View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for JOHN D LITTLEJOHN (M.D.)?
JOHN D LITTLEJOHN (M.D.) — NPI 1649334038 — is the standard way to identify this listing.
Can I rely on JOHN D LITTLEJOHN (M.D.) being an active provider?
As of the registry snapshot, JOHN D LITTLEJOHN (M.D.) is marked active.
What is JOHN D LITTLEJOHN (M.D.)'s specialty?
The listing groups JOHN D LITTLEJOHN (M.D.) with Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
What area does JOHN D LITTLEJOHN (M.D.) serve?
JOHN D LITTLEJOHN (M.D.)'s listing highlights Roaring Spring, Pennsylvania; more addresses can appear in NPPES.
Is the information about JOHN D LITTLEJOHN (M.D.) up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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