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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DAVID C CHRISTIANI MD
NPI 1295726735
Internal Medicine - Pulmonary Disease in Boston, MA

Active since November 03, 2005PECOS Enrolled
50 STANIFORD ST, 850 8, BOSTON, MA 02114(617) 726-9274(617) 726-2932 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. David C Christiani Md NPPES

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

DR. DAVID C CHRISTIANI MD (NPI 1295726735) is an individual pulmonary disease provider in Boston, Massachusetts, licensed in Massachusetts (42822) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Tufts University School Of Medicine (1976).

NPPES Registry Identity

NPI1295726735
Entity TypeIndividualMale
Primary Taxonomy207RP1001X
Provider Legal NameDR. DAVID C CHRISTIANICredential: MD
Location Address50 STANIFORD ST, 850 8Boston, MA 02114-2517
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-9274
Fax(617) 726-2932
Sole ProprietorNo
Medical School CMSTufts University School Of MedicineGraduated 1976
Enumeration DateNovember 3, 2005
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1295726735 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in MA · 42822
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedPreventive Medicine · Occupational MedicineTaxonomy 2083X0100X · License 42822 (MA)
50 STANIFORD ST, Boston, MA 02114
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Other Identifiers 3

Other042822MA · Tufts Health Plan
OtherE05385MA · Bcbs Ma
Medicaid3072525MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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

Dr. David C Christiani Md 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 ID8628056918
PECOS Enrollment IDI20040713000216
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 8

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.

Test to measure rate of airflow 94375
This test, known as spirometry, measures how much air you can breathe in and out, and how quickly you can do so. It helps assess your lung function and can be used to diagnose or monitor conditions like asthma or COPD.
60 services60 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.
56 services49 patients
Test to examine how well the lungs exchange gases 94729
This is a test called a pulmonary function test, which helps understand the efficiency of your lungs. It measures how much air your lungs can hold, how quickly you can move air in and out of your lungs, and how well your lungs put oxygen into and remove carbon dioxide from your blood.
39 services39 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
24 services11 patients
Test to measure expiratory airflow and volume changes before and after medication administration 94060
This procedure measures how air flows in and out of your lungs. It's done before and after medication to see if the treatment improves your breathing. It's a simple, non-invasive test that involves breathing into a device called a spirometer.
14 services14 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
13 services13 patients

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 JOSE LOPEZ VELASQUEZ MD
Ophthalmology
50 STANIFORD ST
BOSTON, MA 02114
Suffolk County (617) 367-4800
SEAN M BURNS M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
50 STANIFORD ST, SUITE 340
BOSTON, MA 02114
Suffolk County (617) 726-8722
DR. ALBERT S YEUNG MD
Psychiatry & Neurology (Psychiatry)
50 STANIFORD ST, SUITE 401 S50 401
BOSTON, MA 02114
Suffolk County (617) 726-5138
DR. MARA LORENZI MD
Pathology (Clinical Pathology/Laboratory Medicine)
50 STANIFORD ST, 3RD FLOOR S50 3 DIABETES UNIT
BOSTON, MA 02114
Suffolk County (617) 726-8722
MARK D KIRSTEIN OD
Optometrist
50 STANIFORD ST, SUITE 600
BOSTON, MA 02114
Suffolk County (617) 367-4800
JASON S ROTHMAN MD
Ophthalmology
50 STANIFORD ST, SUITE 600
BOSTON, MA 02114
Suffolk County (617) 367-4800
AP DENTAL STANIFORD PLLC
Clinic/Center (Dental)
50 STANIFORD ST
BOSTON, MA 02114
Suffolk County (978) 223-3742
DR. JOSEPH C KVEDAR MD
Dermatology
50 STANIFORD ST, SUITE 200
BOSTON, MA 02114
Suffolk County (617) 726-2914

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 David Christiani's NPI number?

The NPI number for David Christiani is 1295726735. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Where is David Christiani located?

David Christiani practices at 50 Staniford St 850 8, Boston, MA 02114. The listed phone number is (617) 726-9274.

What is David Christiani's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is David Christiani enrolled in Medicare?

Yes. David Christiani 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 David Christiani accept?

Health plans from Anthem Blue Cross and Blue Shield list David Christiani 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 David Christiani affiliated with any hospitals?

According to CMS data, David Christiani is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for David Christiani was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days 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.