DR. MARK GREGORY LAZAREV M.D. NPI 1104094739

NPI Information

  • NPI: 1104094739
  • Provider Name: DR. MARK GREGORY LAZAREV, M.D.
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 600 N WOLFE ST
    1830 BLDG, RM 420
    BALTIMORE, MD
    ZIP 21287
  • Phone: (410) 614-6708

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NPI Details

DR. Mark Gregory Lazarev, M.D. is a gastroenterology internal medicine in Baltimore, MD with 23 years of experience. The provider is an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs. DR. Mark Gregory Lazarev, M.D. NPI is 1104094739. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: UNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduation Year:2002

The provider's business location address is:

600 N WOLFE ST
1830 BLDG, RM 420
BALTIMORE, MD
ZIP 21287-006
Phone: (410) 614-6708

The NPI 1104094739 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Injection, vedolizumab, 1 mg (HCPCS:J3380)
  • Injection, ferric carboxymaltose, 1 mg (HCPCS:J1439)
  • Injection, infliximab, excludes biosimilar, 10 mg (HCPCS:J1745)
  • Injection, zoledronic acid, 1 mg (HCPCS:J3489)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Administration of chemotherapy into vein, 1 hour or less (HCPCS:96413)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Biopsy of large bowel using a flexible endoscope (HCPCS:45380)
  • Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (HCPCS:96365)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Administration of chemotherapy into vein, each additional hour (HCPCS:96415)
  • Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS:45385)
  • Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS:43239)
  • Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Colonoscopy (HCPCS:NAN13)
  • Upper gastrointestinal (GI) endoscopy for acid reflux (HCPCS:NAN12)

The enumeration date for this NPI number is 2/17/2008 and was last updated on 2/11/2013.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RG0100XInternal MedicineGastroenterologyMT185907PENNSYLVANIANo
2207RG0100XInternal MedicineGastroenterologyD69337MARYLANDYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1163720ZAEMMEDICARE PINMARYLAND
2418086100MEDICAIDMARYLAND

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 3/30/2025

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