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DR. JOHN WEBER DENNINGER MD, PHD
NPI 1871555888
Psychiatry & Neurology - Psychiatry in Boston, MA

Active since April 05, 2006PECOS EnrolledAccepts Medicare Assignment
50 STANIFORD ST STE 401, BOSTON, MA 02114(617) 726-2985(617) 724-3028 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Weber Denninger Md, Phd NPPES

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

DR. JOHN WEBER DENNINGER MD, PHD (NPI 1871555888) is an individual psychiatry provider in Boston, Massachusetts, licensed in Massachusetts (221542) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of University Of Michigan Medical School (2000).

NPPES Registry Identity

NPI1871555888
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. JOHN WEBER DENNINGERCredential: MD, PHD
Location Address50 STANIFORD ST STE 401Boston, MA 02114-2541
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-2985
Fax(617) 724-3028
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2000
Enumeration DateApril 5, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1871555888 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in MA · 221542
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
50 STANIFORD ST STE 401, Boston, MA 02114
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Other Identifiers 2

Medicare ID-Type UnspecifiedA38216MA
Medicare UPINI26729

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.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. John Weber Denninger Md, Phd 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 ID2264488436
PECOS Enrollment IDI20050330001028
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

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.

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.
15 services11 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 John Denninger's NPI number?

The NPI number for John Denninger is 1871555888. It was assigned to this individual provider in the NPPES registry on April 5, 2006.

Where is John Denninger located?

John Denninger practices at 50 Staniford St Ste 401, Boston, MA 02114. The listed phone number is (617) 726-2985.

What is John Denninger's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is John Denninger enrolled in Medicare?

Yes. John Denninger 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 John Denninger accept?

Health plans from Harvard Pilgrim Health Care list John Denninger 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 John Denninger affiliated with any hospitals?

According to CMS data, John Denninger is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for John Denninger was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.