PETER C GREGG MD
NPI 1558564294
Internal Medicine in Baltimore, MD

Q: What is Peter Gregg's NPI number?

The NPI number for Peter Gregg is 1558564294. It was assigned to this individual provider in the NPPES registry on June 8, 2007.

Q: What is Peter Gregg's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Peter Gregg was last updated on June 18, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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 June 08, 2007PECOS EnrolledAccepts Medicare Assignment

1235 E MONUMENT ST, BALTIMORE, MD 21202(410) 327-5100(410) 327-8373 Get Directions Write a Review

NPPES record last updated: June 18, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Peter C Gregg Md NPPES

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

PETER C GREGG MD (NPI 1558564294) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D0070580) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center Inc, and is a graduate of Johns Hopkins University School Of Medicine (2007).

NPPES Registry Identity

NPI1558564294

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NamePETER C GREGGCredential: MD

Location Address1235 E MONUMENT STBaltimore, MD 21202-5327

Mailing Address1235 E Monument StBaltimore, MD 21202-5327 · (410) 327-5100 · Fax (410) 327-8373

Phone(410) 327-5100

Fax(410) 327-8373

Sole ProprietorNo

Medical School CMSJohns Hopkins University School Of MedicineGraduated 2007

Enumeration DateJune 8, 2007

Last NPPES UpdateJune 18, 2014

✔ NPI 1558564294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in MD · D0070580

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

1235 E MONUMENT ST, Baltimore, MD 21202

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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

Peter C Gregg 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 ID6507040615

PECOS Enrollment IDI20110414000615

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 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 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.

275 services97 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

69 services57 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.

38 services19 patients

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.

25 services22 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

20 services19 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

18 services18 patients

Hospital Affiliations CMS Care Compare 2

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

Mercy Medical Center Inc

Acute Care Hospitals · Baltimore, MD

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number210008

Location301 Saint Paul PlaceBaltimore, MD 21202 · Baltimore City County

Emergency services Birthing friendly

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 21202 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.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

12 suppliers26 claims74 services$5.27 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

7 suppliers13 claims20 services$1.11 avg. paid by Medicare

Nebulizer, with compressor E0570

DME-Other DME · category DE000N

1 supplier18 claims18 services$2.04 avg. paid by Medicare

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553

DME-Other DME · category DE017N

4 suppliers29 claims29 services$200.56 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NATHAN SCOTT III M.D.

Internal Medicine