DR. ANDREW W HALSDORFER DO
NPI 1376500157
Family Medicine in Williamsville, NY

Q: What is Andrew Halsdorfer's NPI number?

The NPI number for Andrew Halsdorfer is 1376500157. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Q: What is Andrew Halsdorfer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Andrew Halsdorfer was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 27, 2006PECOS EnrolledAccepts Medicare Assignment

325 ESSJAY RD, SUITE110, WILLIAMSVILLE, NY 14221(716) 630-1017(716) 632-7229 Get Directions Write a Review

NPPES record last updated: December 13, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 13, 2021, Jan 8, 2020 (2 updates tracked since 2020).

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About Dr. Andrew W Halsdorfer Do NPPES

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

DR. ANDREW W HALSDORFER DO (NPI 1376500157) is an individual family medicine provider in Williamsville, New York, licensed in New York (221778-1) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (1999).

NPPES Registry Identity

NPI1376500157

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. ANDREW W HALSDORFERCredential: DO

Location Address325 ESSJAY RD, SUITE110Williamsville, NY 14221-8243

Mailing Address425 Essjay Rd Ste 170Williamsville, NY 14221-8235 · (716) 630-1219 · Fax (716) 817-1726

Phone(716) 630-1017

Fax(716) 632-7229

Sole ProprietorNo

Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 1999

Enumeration DateApril 27, 2006

Last NPPES UpdateDecember 13, 20212 updates tracked since enumeration

NPPES CertifiedDecember 13, 2021

✔ NPI 1376500157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in NY · 221778-1

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

325 ESSJAY RD, Williamsville, NY 14221

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Other Identifiers 9

Medicaid02238342NY

Other161000580NY · Aetna

Other161000580NY · Cigna

Other0111411NY · Iha

Other161000580NY · North American Preferred

Other161000580NY · Empire

Other00025972801NY · Univera

Other000526768001NY · Health Now

Other110233979NY · Rr Medicare

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

Dr. Andrew W Halsdorfer Do 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 ID6002835659

PECOS Enrollment IDI20051114000571

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 Andrew Halsdorfer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Buffalo Medical Group, P.C.

Same address

Family Medicine

325 ESSJAY RD, 4TH FLOOR ADMIN
Williamsville, NY 14221

Reassigned Medicare billing, New York enrollment
344 clinicians in this Medicare group

NPI 1881659506 (716) 630-2500

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 18

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.

Blood test, lipids (cholesterol and triglycerides) 80061

A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.

87 services56 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

86 services86 patients

Blood test, comprehensive group of blood chemicals 80053

A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.

77 services49 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

72 services67 patients

Blood test, thyroid stimulating hormone (tsh) 84443

A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.

67 services51 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

67 services45 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

57 services34 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

36 services36 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

35 services35 patients

Cyanocobalamin (vitamin b-12) level 82607

A Cyanocobalamin (Vitamin B-12) level test is a blood test that checks the amount of Vitamin B-12 in your body. This vitamin is vital for nerve function and the creation of red blood cells. Low or high levels could indicate a potential health issue.

30 services21 patients

Blood test, basic group of blood chemicals (calcium, total) 80048

A basic group blood test measures the levels of certain chemicals in your blood, including calcium. This helps assess your overall health and detect potential problems. The procedure involves drawing a small amount of blood from your arm, which is then analyzed in a lab.

26 services19 patients

Automated urinalysis test 81003

An automated urinalysis test is a routine examination that checks your urine for various substances. It can help identify potential health issues such as kidney problems or diabetes. The test uses a machine to analyze a small urine sample, providing quick and accurate results.

23 services23 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.

22 services22 patients

Ferritin (blood protein) level 82728

A Ferritin level test measures the amount of ferritin, a protein that stores iron, in your blood. It helps determine how much iron your body is storing. If levels are low, it may indicate iron deficiency, while high levels could signify conditions like iron overload.

21 services14 patients

Liver function blood test panel 80076

A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.

17 services12 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

16 services13 patients

Iron level 83540

An iron level test measures the amount of iron in your blood. Iron is crucial for producing hemoglobin, a protein in red blood cells that carries oxygen throughout your body. This test helps identify iron deficiencies or excesses, which can lead to conditions like anemia or hemochromatosis.

15 services11 patients

Transferrin (iron binding protein) level 84466

A transferrin level test measures the amount of transferrin, a protein that carries iron, in your blood. This can help determine if your body has an iron deficiency or overload. It's a simple blood test and can provide valuable information about your overall health.

15 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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

$84.93 typical visit price

range $54.87 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.08 typical visit price

range $17.54 – $136.14

Typical copayment $24.27 (range $4.38 – $34.03)

Most-billed visit code 99214

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 20

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

MARIA KONTOS DO

Internal Medicine

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 656-4463

ANTHONY J RICOTTA JR. D.P.T.

Physical Therapist

325 ESSJAY RD, SUITE 305
WILLIAMSVILLE, NY 14221

Erie County (716) 631-3555

DR. LORI E. ULLMAN M.D.

Dermatology

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1136

DR. SUKHWINDER SINGH KODIAL M.D.

Family Medicine (Adult Medicine)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1143

MARIA RUTH REGER PA

Physician Assistant (Medical)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 631-3839

MANJU ALEX MD

Internal Medicine (Nephrology)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1138

MS. REEMA W BAWAB RPA-C

Physician Assistant

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 630-1146

NANCY KAWECKI

Nurse Practitioner (Family)

325 ESSJAY RD
WILLIAMSVILLE, NY 14221

Erie County (716) 857-8607

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 Andrew Halsdorfer's NPI number?

The NPI number for Andrew Halsdorfer is 1376500157. It was assigned to this individual provider in the NPPES registry on April 27, 2006.

Where is Andrew Halsdorfer located?

Andrew Halsdorfer practices at 325 Essjay Rd Suite110, Williamsville, NY 14221. The listed phone number is (716) 630-1017.

What is Andrew Halsdorfer's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Andrew Halsdorfer enrolled in Medicare?

Yes. Andrew Halsdorfer 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 Andrew Halsdorfer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Halsdorfer reassigns Medicare benefits to Buffalo Medical Group, P.C. (Williamsville, NY). 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 Andrew Halsdorfer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Andrew Halsdorfer was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.