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DR. ROBERT STEWART HAGAN M.D., PH.D.
NPI 1265635858
Internal Medicine in Baltimore, MD

Active since June 09, 2007PECOS EnrolledAccepts Medicare Assignment
JOHNS HOPKINS MEDICINE, 600 N. WOLFE ST., BALTIMORE, MD 21287(410) 955-7963 Get Directions Write a Review

NPPES record last updated: April 5, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Robert Stewart Hagan M.d., Ph.d. NPPES

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

DR. ROBERT STEWART HAGAN M.D., PH.D. (NPI 1265635858) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (22260) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Unc Hospitals, and is a graduate of Harvard Medical School (2007).

NPPES Registry Identity

NPI1265635858
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. ROBERT STEWART HAGANCredential: M.D., PH.D.
Location AddressJOHNS HOPKINS MEDICINE, 600 N. WOLFE ST.Baltimore, MD 21287-0001
Mailing Address5501 Hopkins Bayview Cir, Pulmonary Clinic, 2nd FloorBaltimore, MD 21224-6821 · (410) 550-2304 · Fax (410) 550-8050
Phone(410) 955-7963
Sole ProprietorYes
Medical School CMSHarvard Medical SchoolGraduated 2007
Enumeration DateJune 9, 2007
Last NPPES UpdateApril 5, 2012
✔ NPI 1265635858 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 · 22260
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.
JOHNS HOPKINS MEDICINE, Baltimore, MD 21287
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Other Identifiers 1

Other22190MD · Mso Database Number

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.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. Robert Stewart Hagan M.d., Ph.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 ID7719122894
PECOS Enrollment IDI20141106001384
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 2

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.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
142 services45 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.
22 services20 patients

Hospital Affiliations CMS Care Compare

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

Unc Hospitals

Acute Care Hospitals · Chapel Hill, NC
5/5 CMS rating
OwnershipGovernment - State
CMS Certification Number340061
Location101 Manning DriveChapel Hill, NC 27514 · Orange 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier11 claims11 services$50.61 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Robert Hagan's NPI number?

The NPI number for Robert Hagan is 1265635858. It was assigned to this individual provider in the NPPES registry on June 9, 2007.

Where is Robert Hagan located?

Robert Hagan practices at Johns Hopkins Medicine 600 N. Wolfe St., Baltimore, MD 21287. The listed phone number is (410) 955-7963.

What is Robert Hagan's specialty?

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

Is Robert Hagan enrolled in Medicare?

Yes. Robert Hagan 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 Robert Hagan accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Robert Hagan 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 Robert Hagan affiliated with any hospitals?

According to CMS data, Robert Hagan is affiliated with Unc Hospitals.

When was this NPI record last updated?

The NPPES record for Robert Hagan was last updated on April 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.