CancerDrs

Pediatric Hematology-Oncology in Maine

19 licensed pediatric oncologists practicing in Maine across 9 cities.

This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.

Source: NPI Registry · last checked

Filter by city

Click a city to filter the 19 providers shown below.

NPI Registry records — Pediatric Hematology-Oncology in Maine

5 of 19 shown have disclosed payments in CMS Open Payments (2024)

Showing 19 of 19 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.

Ayotola Ajayi, MD

33 Whiting Hill Rd

Brewer, ME 04412 · (207) 973-7572

License: MD27737 (ME)

NPI 1447736962 →

Judith B Allen, MD

489 State St

Bangor, ME 04401 · (207) 973-7556

License: 015853 (ME)

NPI 1497782767 →

Stephen Blattner, MD

17 Cole Field Rd

Cape Elizabeth, ME 04107 · (207) 767-1042

License: 9684 (ME)

NPI 1992913255 →

Daniel Lee Callaway, MD

33 Whiting Hill Rd

Brewer, ME 04412 · (207) 973-9733

License: MD24051 (ME)

NPI 1134428899 →

In 2024, $86 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($56) and gifts ($30).

Largest single payer: CSL Behring ($86).

Itemized records on CMS Open Payments →

Stanley Chaleff, MD

100 Campus Dr, Unit 107

Scarborough, ME 04074 · (207) 885-7565

License: 017733 (ME)

NPI 1871549451 →

Sarah J Fryberger, MD

33 Whiting Hill Rd, Suite 31

Brewer, ME 04412 · (207) 973-7572

License: MD-12957 (HI)

NPI 1366548935 →

Ashley M Jean, MD

100 Campus Dr Unit 107

Scarborough, ME 04074 · (207) 396-7565

License: MD27519 (ME)

NPI 1518320217 →

Nadav Lelkes Kastle, MD

100 Campus Dr Unit 107

Scarborough, ME 04074 · (207) 396-7565

License: MD22942 (ME)

NPI 1083051122 →

Eric C Larsen, MD

100 Campus Dr, Unit 107

Scarborough, ME 04074 · (207) 885-7565

License: MD16882 (ME)

NPI 1548299548 →

Sam W Lew, MD

1600 E 32nd St

Silver City, NM 88061 · (575) 538-2981

License: MD2017-0771 (NM)

NPI 1154369981 →

Subha Mazzone, MD

33 Whiting Hill Rd, Suite 31

Brewer, ME 04412 · (207) 973-7478

License: ETL5425 (MA)

NPI 1760757868 →

Hardeo Karamchand Panchoosingh, MD

92 W Miller St

Orlando, FL 32806 · (321) 841-8588

License: ME81627 (FL)

NPI 1013909373 →

Jessica A Pollard, MD

450 Brookline Ave

Boston, MA 02215 · (617) 632-3270

License: 277003 (MA)

NPI 1467491555 →

In 2024, $116 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($116).

Largest single payer: Jazz Pharmaceuticals Inc. ($116).

Itemized records on CMS Open Payments →

Chittalsinh M. Raulji, MBBS

8200 Dodge St

Omaha, NE 68114 · (402) 955-3950

License: 32346 (NE)

NPI 1528334406 →

In 2024, $7,151 was disclosed to this physician across 6 transactions by pharmaceutical or medical-device companies.

Mostly charitable contributions ($6,018) and meals and beverages ($901).

Largest single payer: Genzyme Corporation ($7,136).

Itemized records on CMS Open Payments →

Anne R Rossi, MD

100 Campus Dr, Unit 107

Scarborough, ME 04074 · (207) 885-7565

License: 014642 (ME)

NPI 1194759506 →

Nadine Patricia Sauer Santacruz, MD

33 Whiting Hill Rd, Suite 31

Brewer, ME 04412 · (207) 973-7572

License: 24459 (NH)

NPI 1053631952 →

In 2024, $2,250 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly charitable contributions ($2,250).

Largest single payer: Day One Biopharmaceuticals ($2,250).

Itemized records on CMS Open Payments →

Elizabeth Theresa Stephens, DO

601 John St Ste M-005

Kalamazoo, MI 49007 · (269) 341-6350

License: 5101027710 (MI)

NPI 1164817219 →

In 2024, $47 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($47).

Largest single payer: Jazz Pharmaceuticals Inc. ($24).

Itemized records on CMS Open Payments →

Sei-Gyung Kim Sze, MD

100 Campus Dr Unit 107

Scarborough, ME 04074 · (207) 396-7565

License: MD22049 (ME)

NPI 1831416452 →

Aaron R Weiss, DO

100 Campus Drive, Unit 107

Scarborough, ME 04074 · (207) 885-7565

License: 2317 (ME)

NPI 1013945708 →

Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.

Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.

What this page is: a republication of public federal NPI Registry records, filtered to the pediatric hematology-oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.

Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.

Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.

Source: NPI Registry (taxonomy: Pediatric Hematology-Oncology) · Last checked: 2026-04-20