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GREGORY SCOTT ANDERSON MD
NPI 1699977868
Surgery in Lewistown, PA

Active since June 01, 2007PECOS EnrolledAccepts Medicare Assignment
27 SANDY LANE, SUITE 200, LEWISTOWN, PA 17044(717) 242-7981(717) 242-7988 Get Directions Write a Review

NPPES record last updated: July 30, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Gregory Scott Anderson Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY SCOTT ANDERSON MD (NPI 1699977868) is an individual surgery provider in Lewistown, Pennsylvania, licensed in Pennsylvania (MD431564) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Geisinger-lewistown Hospital, and is a graduate of Pennsylvania State University College Of Medicine (1997).

NPPES Registry Identity

NPI1699977868
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameGREGORY SCOTT ANDERSONCredential: MD
Location Address27 SANDY LANE, SUITE 200Lewistown, PA 17044-1320
Mailing Address100 N Academy AveDanville, PA 17822-4903 · (570) 271-6144 · Fax (570) 271-6578
Phone(717) 242-7981
Fax(717) 242-7988
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 1997
Enumeration DateJune 1, 2007
Last NPPES UpdateJuly 30, 2020
NPPES CertifiedJuly 30, 2020
✔ NPI 1699977868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in PA · MD431564
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
27 SANDY LANE, Lewistown, PA 17044
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Other Identifiers 2

Medicaid102024200PA
OtherMD431564PA · License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gregory Scott Anderson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7719070994
PECOS Enrollment IDI20070904000420
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Anderson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Geisinger Clinic
1.4 mi
Internal Medicine
21 GEISINGER LN
Lewistown, PA 17044
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4,429 clinicians in this Medicare group
NPI 1770534166 (717) 242-4200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 11

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
40 services32 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
39 services39 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
25 services14 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
22 services15 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
19 services18 patients
Removal of gallbladder using an endoscope 47562
This procedure, known as endoscopic gallbladder removal, involves a surgeon using a special tool called an endoscope to remove your gallbladder through small incisions. It's typically done to treat gallstones and related complications. It's a less invasive method, often leading to quicker recovery.
18 services18 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Geisinger-Lewistown Hospital

Acute Care Hospitals · Lewistown, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390048
Location400 Highland AvenueLewistown, PA 17044 · Mifflin County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 17044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GEISINGER LEWISTOWN HOSPITAL
Clinic/Center (Radiology)
27 SANDY LANE, SUITE 150
LEWISTOWN, PA 17044
Mifflin County (717) 242-7229
JOSE R ACOSTA M.D.
Specialist
27 SANDY LANE, SUITE 140
LEWISTOWN, PA 17044
Mifflin County (717) 242-2711
DR. RANDY LEE FOGLEMAN D.D.S.
Dentist (General Practice)
27 SANDY LANE, SUITE 206
LEWISTOWN, PA 17044
Mifflin County (717) 242-2731

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Anderson's NPI number?

The NPI number for Gregory Anderson is 1699977868. It was assigned to this individual provider in the NPPES registry on June 1, 2007.

Where is Gregory Anderson located?

Gregory Anderson practices at 27 Sandy Lane Suite 200, Lewistown, PA 17044. The listed phone number is (717) 242-7981.

What is Gregory Anderson's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Gregory Anderson enrolled in Medicare?

Yes. Gregory Anderson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Gregory Anderson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Anderson reassigns Medicare benefits to Geisinger Clinic (Lewistown, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gregory Anderson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Anderson accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Gregory Anderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Gregory Anderson affiliated with any hospitals?

According to CMS data, Gregory Anderson is affiliated with Geisinger-Lewistown Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Anderson was last updated on July 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.