DR. HANNAH BACH M.D.
NPI 1104367382
Emergency Medicine in Cambridge, MA

Q: What is Hannah Bach's NPI number?

The NPI number for Hannah Bach is 1104367382. It was assigned to this individual provider in the NPPES registry on March 20, 2017.

Q: What is Hannah Bach's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Hannah Bach was last updated on June 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 20, 2017PECOS EnrolledAccepts Medicare Assignment

1493 CAMBRIDGE ST, CAMBRIDGE, MA 02139(231) 409-2511 Get Directions Write a Review

NPPES record last updated: June 16, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 16, 2020, Mar 20, 2017 (2 updates tracked since 2017).

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About Dr. Hannah Bach M.d. NPPES

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

DR. HANNAH BACH M.D. (NPI 1104367382) is an individual emergency medicine provider in Cambridge, Massachusetts, licensed in Massachusetts (2833177) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1104367382

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. HANNAH BACHCredential: M.D.

Location Address1493 CAMBRIDGE STCambridge, MA 02139-1099

Mailing Address1493 Cambridge StCambridge, MA 02139-1099 · (231) 409-2511

Phone(231) 409-2511

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateMarch 20, 2017

Last NPPES UpdateJune 16, 20202 updates tracked since enumeration

NPPES CertifiedJune 16, 2020

✔ NPI 1104367382 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MA · 2833177

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

1493 CAMBRIDGE ST, Cambridge, MA 02139

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Hannah Bach 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 ID2567737380

PECOS Enrollment IDI20230725000707

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.

Medicare Billing Reassignments

Medicare enrollment records show Hannah Bach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cambridge Public Health Commission

Same address

General Acute Care Hospital

1493 CAMBRIDGE ST
Cambridge, MA 02139

Reassigned Medicare billing, Massachusetts enrollment
719 clinicians in this Medicare group

NPI 1487603585 (617) 665-1000

Atlanticare Physician Group, PA

269 mi

Urgent Care

110 E JIMMIE LEEDS RD
Galloway, NJ 08205

Reassigned Medicare billing, New Jersey enrollment
921 clinicians in this Medicare group

NPI 1003820622 (609) 748-2100

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 7

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 low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

197 services187 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.

62 services60 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

61 services61 patients

Urinalysis, manual test 81002

A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.

49 services48 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

26 services26 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02139 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

$97.64 typical visit price

range $63.72 – $189.86

Typical copayment $24.41 (range $15.93 – $47.46)

Most-billed visit code 99203

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.

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