KRISTIN MEREDITH HAMMERSMITH MD
NPI 1437157187
Ophthalmology in Philadelphia, PA

Active since July 07, 2005PECOS EnrolledAccepts Medicare Assignment
88.33/100
CMS Quality Rating
51 N. 39TH STREET, PHILADELPHIA, PA 19104(215) 662-8100(215) 662-1721 Get Directions Write a Review

NPPES record last updated: July 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Kristin Meredith Hammersmith Md NPPES

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

KRISTIN MEREDITH HAMMERSMITH MD (NPI 1437157187) is an individual ophthalmology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD419569) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Hospital Of Univ Of Pennsylvania, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1437157187
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameKRISTIN MEREDITH HAMMERSMITHCredential: MD
Location Address51 N. 39TH STREETPhiladelphia, PA 19104-2640
Mailing Address51 N. 39th StreetPhiladelphia, PA 19104-2640 · (215) 662-8100 · Fax (215) 662-1721
Fax(215) 662-1721
Sole ProprietorNo
Medical School CMSWest Virginia University School Of MedicineGraduated 1998
Enumeration DateJuly 7, 2005
Last NPPES UpdateJuly 14, 2025
NPPES CertifiedJuly 14, 2025
NPI 1437157187 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
Licenses Licensed in PA · MD419569 Licensed in NJ · 25MA07668200
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.
51 N. 39TH STREET, Philadelphia, PA 19104

Other Names 1

Former Name (1)Kristin Matelis Md

Secondary Practice Location 1

Location 1125 S 9th St Ste 402Philadelphia, PA 19107-5117 · Phone (267) 546-1100 · Fax (267) 200-0679

Other Identifiers 3

Other322 1147Aetna
Other1444179PA · Blue Sheild
Medicaid0019370960002PA

Accepted 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

Kristin Meredith Hammersmith 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 ID5395728836
PECOS Enrollment IDI20040608000154, I20100201000082
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 10

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.
400 services217 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.
181 services110 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.
129 services108 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.
62 services54 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
39 services39 patients
Closure of tear duct opening using plug 68761
Closure of the tear duct opening using a plug is a procedure to address excessive tear production. A small device is inserted into the tear duct to block it, reducing tear flow and relieving symptoms. This is a safe, reversible process, often performed in-office.
38 services27 patients

Hospital Affiliations CMS Care Compare 3

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

Hospital Of Univ Of Pennsylvania

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390111
Location34th & Spruce StsPhiladelphia, PA 19104 · Philadelphia County
Emergency services Birthing friendly

Penn Presbyterian Medical Center

Acute Care Hospitals · Philadelphia, PA
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number390223
Location51 North 39th StreetPhiladelphia, PA 19104 · Philadelphia County
Emergency services

Pennsylvania Hospital

Acute Care Hospitals · Philadelphia, PA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number390226
Location800 Spruce StreetPhiladelphia, PA 19107 · Philadelphia County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

88.33/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.67
Promoting Interoperability100
Improvement Activities40
Cost69.44

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.

Ophthalmology
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Optometrist
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Emergency Medicine
51 N. 39TH STREET, -MYRIN - M01
PHILADELPHIA, PA 19104
Family Medicine
51 N. 39TH STREET, 7TH FLOOR
PHILADELPHIA, PA 19104
Physician Assistant (Medical)
51 N. 39TH STREET, 3 SILVERSTEIN
PHILADELPHIA, PA 19104
Emergency Medicine
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Physician Assistant (Surgical)
51 N. 39TH STREET
PHILADELPHIA, PA 19104
Internal Medicine
51 N. 39TH STREET
PHILADELPHIA, PA 19104

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 Kristin Hammersmith's NPI number?

The NPI number for Kristin Hammersmith is 1437157187. It was assigned to this individual provider in the NPPES registry on July 7, 2005. The provider is also known as Kristin Matelis MD.

Where is Kristin Hammersmith located?

Kristin Hammersmith practices at 51 N. 39th Street, Philadelphia, PA 19104. The listed phone number is (215) 662-8100.

What is Kristin Hammersmith's specialty?

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

Is Kristin Hammersmith enrolled in Medicare?

Yes. Kristin Hammersmith 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 Kristin Hammersmith accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Kristin Hammersmith 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 Kristin Hammersmith affiliated with any hospitals?

According to CMS data, Kristin Hammersmith is affiliated with Hospital Of Univ Of Pennsylvania, Penn Presbyterian Medical Center and Pennsylvania Hospital.

When was this NPI record last updated?

The NPPES record for Kristin Hammersmith was last updated on July 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.