DR. EVAN MARTIN BLOCH MD
NPI 1104038272
Pathology - Anatomic Pathology & Clinical Pathology in Baltimore, MD

Active since May 03, 2007PECOS Enrolled
74.39/100
CMS Quality Rating
1800 ORLEANS ST STE 101, BALTIMORE, MD 21287(410) 955-5000(650) 369-3627 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Evan Martin Bloch Md NPPES

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

DR. EVAN MARTIN BLOCH MD (NPI 1104038272) is an individual anatomic pathology & clinical pathology provider in Baltimore, Maryland, licensed in Maryland (D80168) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Atherton.

NPPES Registry Identity

NPI1104038272
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameDR. EVAN MARTIN BLOCHCredential: MD
Location Address1800 ORLEANS ST STE 101Baltimore, MD 21287-0010
Mailing Address6201 Greenleigh Ave Ste 101Middle River, MD 21220-2004 · (410) 955-5000 · Fax (650) 369-3627
Fax(650) 369-3627
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMay 3, 2007
Last NPPES UpdateMarch 16, 2026
NPPES CertifiedMarch 16, 2026
✔ NPI 1104038272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
Licenses✔ Licensed in MD · D80168✔ Licensed in CA · A101679
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedSpecialistTaxonomy 174400000X · License 222456 (MA)
1800 ORLEANS ST STE 101, Baltimore, MD 21287

Secondary Practice Location 1

Location 13351 El Camino Real, Ste 101Atherton, CA 94027-3802 · Phone (650) 306-1016 · Fax (650) 369-3627

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Evan Martin Bloch Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7315115284
PECOS Enrollment IDI20151112000628, I20151112000736
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

2

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

General Practice
600 N WOLFE ST
Baltimore, MD 21205
  • Reassigned Medicare billing, Maryland enrollment
  • 4,483 clinicians in this Medicare group
Anatomic Pathology & Clinical Pathology
600 N WOLFE ST
Baltimore, MD 21287
  • Reassigned Medicare billing, District of Columbia enrollment
  • 62 clinicians in this Medicare group

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 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.

Mechanical separation of red blood cells from blood 36512
Mechanical separation of red blood cells from blood is a process where a machine separates red blood cells from the rest of your blood. This allows for detailed study of these cells, aiding in diagnosis and treatment of various blood-related conditions.
76 services35 patients
Mechanical separation of plasma from blood 36514
Mechanical separation of plasma from blood is a procedure where your blood is drawn and placed in a machine. This machine spins the blood at high speeds, separating the plasma (a yellowish fluid) from the rest of the blood components. The plasma is then collected for medical purposes.
40 services15 patients
Blood bank physician services for investigation of transfusion reaction with written report 86078
This service involves a blood bank doctor examining a patient's reaction to a blood transfusion. The doctor will conduct tests to identify the cause and provide a written report detailing the findings and recommendations for future care.
24 services23 patients

Hospital Affiliations CMS Care Compare

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

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21287 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
$139.05 typical visit price
range $60.73 – $183.44
Typical copayment $34.76 (range $15.18 – $45.86)
Most-billed visit code 99204
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
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.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

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 Evan Bloch's NPI number?

The NPI number for Evan Bloch is 1104038272. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Evan Bloch located?

Evan Bloch practices at 1800 Orleans St Ste 101, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is Evan Bloch's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Evan Bloch enrolled in Medicare?

Yes. Evan Bloch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Evan Bloch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Evan Bloch reassigns Medicare benefits to 2 organizations: Johns Hopkins University (Baltimore, MD) and Johns Hopkins University (Baltimore, MD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Evan Bloch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Evan Bloch affiliated with any hospitals?

According to CMS data, Evan Bloch is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Evan Bloch was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.