Christina K. Ullrich, M.D.
Pediatric Hematology & Oncology Physician · Boston, MA
Christina K. Ullrich, M.D. is a pediatric hematology & oncology physician with a practice address in Boston, Massachusetts, and NPI 1255399879, issued on May 3, 2006. Check the license (Massachusetts 227690, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christina K. Ullrich
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 227690 MA
Self-reported in NPPES; status is on the state search - Practice location
- 44 Binney St, Boston, MA 02115
- Phone
- (617) 632-4997
- Enumerated
- May 3, 2006
- Record last updated
- Aug 14, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061020000375); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2001
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 197 in Massachusetts → Look up another NPI →
Also registered at 44 Binney St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karim Abou-Nassar, MDHematology & Oncology Physician1366770745
- Janet Abrahm, MDMedical Oncology Physician1427024264
- Thomas Abrams, M.D.Medical Oncology Physician1184693947
- Christine Agius, RN, MSN, NP-C, RNCAdult Health Nurse Practitioner1932114790
- Laura Aguilar, MD PHDPediatric Hematology & Oncology Physician1295786598
- Zi Yazan Alabed, M.D., PH.D.Student in an Organized Health Care Education/Training Program1184046583
Verify Christina K. Ullrich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 227690Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 86.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Children's Hospital Pediatric Associates, IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christina K. Ullrich among 197 pediatric hematology & oncology physician records in Massachusetts
Christina K. Ullrich, M.D. is one of 197 pediatric hematology & oncology physician records with a practice address in Massachusetts. 42% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 58% newer
- In a Medicare fileYes · 42% of these records are
- In the CMS Doctors and Clinicians fileYes · 28% of these records are
- Graduated2001 · median 2007 among the 55 with a school on file
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in Massachusetts
There are 197 pediatric hematology & oncology physician records in Massachusetts.
All 197 in Massachusetts → Every provider in Boston → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Elly Barry, MDBoston, MA 021151740257427
- Susan Chi, MDBoston, MA 021151154398964
- Alan Dandrea, MDBoston, MA 021151174599930
- Kimberly Davies, MDBoston, MA 021151487621199
- Holcombe Grier, MDBoston, MA 021151295702793
- Andrew Kung, MD PHDBoston, MA 021151720053580
- Jennifer Mack, MD MPHBoston, MA 021151225006398
- Alan Michelson, M.D.Boston, MA 021151760464994
Common questions
What is Christina K. Ullrich, M.D.'s NPI number?
Christina K. Ullrich, M.D.'s National Provider Identifier (NPI) is 1255399879, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christina K. Ullrich, M.D. located?
The NPPES record lists a practice address at 44 Binney St, Boston, MA, 02115. Phone: (617) 632-4997. Providers update this record themselves, so call before visiting.
How can I verify Christina K. Ullrich, M.D.'s license?
NPPES lists Massachusetts license number 227690, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
What is Christina K. Ullrich, M.D.'s MIPS final score?
The 2023 MIPS final score is 86.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.