1. Home
  2. Directory
  3. Maryland
  4. Baltimore
  5. Ophthalmology
  6. NPI Profile

DR. JOHN C BAER M.D.
NPI 1013984848
Ophthalmology in Baltimore, MD

Active since March 01, 2006PECOS Enrolled
42.42/100
CMS Quality Rating
600 N WOLFE ST, BALTIMORE, MD 21287(410) 955-5000 Get Directions Write a Review

NPPES record last updated: December 12, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 12, 2024, Sep 17, 2020 (2 updates tracked since 2020).

About Dr. John C Baer M.d. NPPES

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

DR. JOHN C BAER M.D. (NPI 1013984848) is an individual ophthalmology provider in Baltimore, Maryland, licensed in Maryland (D0029740) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and maintains a secondary practice location in Hanover.

NPPES Registry Identity

NPI1013984848
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameDR. JOHN C BAERCredential: M.D.
Location Address600 N WOLFE STBaltimore, MD 21287-0005
Mailing Address6201 Greenleigh AveBaltimore, MD 21220-2004
Phone(410) 955-5000
Sole ProprietorNo
Medical School CMSUniversity Of Maryland School Of MedicineGraduated 1982
Enumeration DateMarch 1, 2006
Last NPPES UpdateDecember 12, 20242 updates tracked since enumeration
NPPES CertifiedDecember 12, 2024
✔ NPI 1013984848 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses✔ Licensed in MD · D0029740✔ Licensed in PA · MD418865
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
600 N WOLFE ST, Baltimore, MD 21287
Open in Google Maps ↗

Secondary Practice Location 1

Location 1250 E Walnut StHanover, PA 17331-2534 · Phone (717) 632-6063 · Fax (717) 632-8337

Other Identifiers 11

Other4121977PA · Aetna Ppo
Other1308JCMD · Carefirst Bc Bs
Other3190310PA · Aetna Hmo
Other3821719MD · Aetna Maryland Offices
Other50000867PA · Capital Blue Cross
Other1363854PA · Highmark Blue Shield
Other180044592PA · Railroad Medicare
Other50000867PA · Keystone Hpc
OtherT274 0001MD · Carefirst Blue Choice
OtherP00050680MD · Railroad Medicare
MedicaidD0029740MD

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John C Baer M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204853153
PECOS Enrollment IDI20110802000442
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 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.

Established patient complete exam of visual system 92014
An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.
34 services34 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
32 services32 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.
19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Johns Hopkins Bayview Medical Center

Acute Care Hospitals · Baltimore, MD
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210029
Location4940 Eastern AvenueBaltimore, MD 21224 · 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
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
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.

42.42/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality72.9
Promoting Interoperability0
Improvement Activities40
Cost18.51

Reported Quality Measures

Provide Patients Electronic Access to Their Health Information
34%1,163 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

PAMELA KIMZEY DONOHUE SCD, PA-C
Physician Assistant (Medical)
600 N WOLFE ST, NELSON 2-133
BALTIMORE, MD 21287
Baltimore City (410) 955-5232
MR. CHRISTOPHER DAVID SCHRIEBER M.S., PA-C
Physician Assistant
600 N WOLFE ST, MARBURG B-186
BALTIMORE, MD 21287
Baltimore City (410) 955-8708
DR. SABRINA CHRISTINE SOPHA M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-3580
SANDRA KING D.H.
Dental Hygienist
600 N WOLFE ST, BLALOCK 266
BALTIMORE, MD 21287
Baltimore City (410) 955-6662
THERESA J RUDDY C.P.N.P., CRNP
Nurse Practitioner (Acute Care)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5260
DR. SUMAN PAUL M.B.B.S, PHD
Internal Medicine (Medical Oncology)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000
MS. SARAH CATHERINE COLLICA
Psychiatry & Neurology (Psychiatry)
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (443) 287-4701
JEFF S EHRESMAN
Student in an Organized Health Care Education/Training Program
600 N WOLFE ST
BALTIMORE, MD 21287
Baltimore City (410) 955-5000

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 John Baer's NPI number?

The NPI number for John Baer is 1013984848. It was assigned to this individual provider in the NPPES registry on March 1, 2006.

Where is John Baer located?

John Baer practices at 600 N Wolfe St, Baltimore, MD 21287. The listed phone number is (410) 955-5000.

What is John Baer's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is John Baer enrolled in Medicare?

Yes. John Baer is registered in the Medicare PECOS enrollment system.

Is John Baer affiliated with any hospitals?

According to CMS data, John Baer is affiliated with Johns Hopkins Hospital, The and Johns Hopkins Bayview Medical Center.

When was this NPI record last updated?

The NPPES record for John Baer was last updated on December 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.