CHRISTINA YEN M.D.
NPI 1154718922
Internal Medicine - Infectious Disease in Portland, ME

Active since April 20, 2015PECOS EnrolledAccepts Medicare Assignment
98.06/100
CMS Quality Rating
22 BRAMHALL ST, PORTLAND, ME 04102(207) 662-0111 Get Directions Write a Review

NPPES record last updated: November 6, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 6, 2023, Jun 13, 2019 (2 updates tracked since 2019).

About Christina Yen M.d. NPPES

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

CHRISTINA YEN M.D. (NPI 1154718922) is an individual infectious disease provider in Portland, Maine, licensed in Maine (MD27458) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1154718922
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameCHRISTINA YENCredential: M.D.
Location Address22 BRAMHALL STPortland, ME 04102-3134
Mailing Address185 Fore St Apt 303Portland, ME 04101-5111 · (626) 429-3836
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateApril 20, 2015
Last NPPES UpdateNovember 6, 20232 updates tracked since enumeration
NPPES CertifiedNovember 6, 2023
NPI 1154718922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Licenses Licensed in ME · MD27458 Licensed in TX · T3220
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
22 BRAMHALL ST, Portland, ME 04102

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Christina Yen M.d. 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 ID7113204074
PECOS Enrollment IDI20231127002518
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.

Areas of Expertise CMS Part B claims 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
76 services50 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
31 services31 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
16 services16 patients

Hospital Affiliations CMS Care Compare

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

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 04102 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
$128.83 typical visit price
range $56.28 – $169.96
Typical copayment $32.20 (range $14.07 – $42.49)
Most-billed visit code 99204
Established Patient
$99.18 typical visit price
range $18.22 – $138.92
Typical copayment $24.79 (range $4.55 – $34.73)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.06/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.13
Promoting Interoperability100
Improvement Activities40

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.

Physician Assistant (Medical)
22 BRAMHALL ST
PORTLAND, ME 04102
Dietitian, Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Student in an Organized Health Care Education/Training Program
22 BRAMHALL ST
PORTLAND, ME 04102

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 Christina Yen's NPI number?

The NPI number for Christina Yen is 1154718922. It was assigned to this individual provider in the NPPES registry on April 20, 2015.

Where is Christina Yen located?

Christina Yen practices at 22 Bramhall St, Portland, ME 04102. The listed phone number is (207) 662-0111.

What is Christina Yen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Christina Yen enrolled in Medicare?

Yes. Christina Yen 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.

What insurance does Christina Yen accept?

Health plans from Harvard Pilgrim Health Care list Christina Yen 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 Christina Yen affiliated with any hospitals?

According to CMS data, Christina Yen is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Christina Yen was last updated on November 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.