Christina Yen, M.D.
Infectious Disease Physician · Portland, ME
Christina Yen, M.D. is an infectious disease physician with a practice address in Portland, Maine, and NPI 1154718922, issued on Apr 20, 2015. Check the license (Maine MD27458, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christina Yen
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License numbers
- MD27458 ME
T3220 TX
Self-reported in NPPES; status is on the state search - Practice location
- 22 Bramhall St, Portland, ME 04102
- Phone
- (207) 662-0111
- Enumerated
- Apr 20, 2015
- Record last updated
- Nov 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20231127002518); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 22 Bramhall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica Abbatiello, NP-CFamily Nurse Practitioner1871811737
- Ruslan Abdukalikov, DOAnesthesiology Physician1831694793
- Tod Abrahams, M.D.Diagnostic Radiology Physician1538231642
- Joshua Abrams, PA-CSurgical Physician Assistant1932832128
- Christopher Abruzzese, D.OAnesthesiology Physician1558789305
- Haley Acker, PA-CPhysician Assistant1972167377
Verify Christina Yen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license MD27458Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average infectious disease physician in 2024
178 Medicare Part D claims for 66 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Cefadroxil23 claims
- Cephalexin23 claims
- Amoxicillin-Clavulanate Potass13 claims
- Amoxicillin12 claims
- Linezolid11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 98.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,133.60
3 payments; by number, the most common kind was travel and lodging; the largest payer was bioMerieux Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- MainehealthPortland, ME
- Mercy HospitalPortland, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Infectious Disease Physician providers in Maine
There are 35 infectious disease physician records in Maine.
Other infectious disease physician records in Maine
- Mark Abel, MD MPHBangor, ME1922483718
- Leyla Azis, MDSouth Portland, ME1487871414
- Timothy BorelliAugusta, ME1861567141
- Matthew Carroll, MDBath, ME1104006691
- Thomas Courtney, M.D.Biddeford, ME1043290257
- Daniel Diekema, MDSouth Portland, ME1104801489
- Imad Durra, MDLewiston, ME1891716155
- Mark Eggena, MDRockport, ME1235108580
- Mohamedazhar Gangat, M.D.Bangor, ME1295099208
- Rebekah Gass, M.D.Bangor, ME1457538563
Common questions
What is Christina Yen, M.D.'s NPI number?
Christina Yen, M.D.'s National Provider Identifier (NPI) is 1154718922, issued on Apr 20, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Christina Yen, M.D. located?
The NPPES record lists a practice address at 22 Bramhall St, Portland, ME, 04102. Phone: (207) 662-0111. Providers update this record themselves, so call before visiting.
How can I verify Christina Yen, M.D.'s license?
NPPES lists Maine license number MD27458, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christina Yen, M.D. prescribe under Medicare Part D?
In 2024, Christina Yen, M.D. had 178 Medicare Part D claims for 66 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Christina Yen, M.D.'s MIPS final score?
The 2023 MIPS final score is 98.1 of 100. 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.