DR. PABLO ANDRES ALTSCHWAGER KREFT M.D.
NPI 1023425832
Ophthalmology in Boston, MA

Q: What is Pablo Andres Altschwager Kreft's NPI number?

The NPI number for Pablo Andres Altschwager Kreft is 1023425832. It was assigned to this individual provider in the NPPES registry on July 14, 2014.

Q: What is Pablo Andres Altschwager Kreft's specialty?

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

Active since July 14, 2014PECOS Enrolled

300 LONGWOOD AVE, FEGAN 4, BOSTON, MA 02115(617) 355-8761(617) 531-1844 Get Directions Write a Review

NPPES record last updated: January 29, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Pablo Andres Altschwager Kreft M.d. NPPES

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

DR. PABLO ANDRES ALTSCHWAGER KREFT M.D. (NPI 1023425832) is an individual ophthalmology provider in Boston, Massachusetts, licensed in Massachusetts (1021205) and active in the NPI registry since July 2014. He is enrolled in Medicare PECOS, is affiliated with Massachusetts Eye And Ear Infirmary -, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1023425832

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. PABLO ANDRES ALTSCHWAGER KREFTCredential: M.D.

Location Address300 LONGWOOD AVE, FEGAN 4Boston, MA 02115-5724

Mailing Address300 Longwood Ave, Fegan 4.Boston, MA 02115-5724 · (617) 355-8761 · Fax (617) 531-1844

Phone(617) 355-8761

Fax(617) 531-1844

Sole ProprietorNo

Medical School CMSOtherGraduated 2004

Enumeration DateJuly 14, 2014

Last NPPES UpdateJanuary 29, 2025

NPPES CertifiedJanuary 29, 2025

✔ NPI 1023425832 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in MA · 1021205

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.

300 LONGWOOD AVE, Boston, MA 02115

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Pablo Andres Altschwager Kreft M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID749663573

PECOS Enrollment IDI20220811002024

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.

Medicare Billing Reassignments

Medicare enrollment records show Pablo Andres Altschwager Kreft reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Childrens Hospital Ophthalmology Foundation Inc

Same address

Ophthalmology

300 LONGWOOD AVENUE, FEGAN 4
Boston, MA 02115

Reassigned Medicare billing, Massachusetts enrollment
71 clinicians in this Medicare group

NPI 1770679045 (617) 355-6401

Massachusetts Eye And Ear Associates, Inc.

2.5 mi

Ophthalmology

243 CHARLES ST
Boston, MA 02114

Reassigned Medicare billing, Massachusetts enrollment
478 clinicians in this Medicare group

NPI 1932574332 (617) 523-7900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA

OwnershipVoluntary non-profit - Private

CMS Certification Number220075

Location243 Charles StreetBoston, MA 02114 · Suffolk County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$78.84 typical visit price

range $21.07 – $155.29

Typical copayment $19.71 (range $5.26 – $38.82)

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.

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.

JULIE ANN HANSEN LCSW

Social Worker (Clinical)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (857) 218-4309

MS. ANNA ROGLIERI

Nurse Practitioner (Psychiatric/Mental Health)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

STEPHEN G. FLYNN M.D.

Anesthesiology (Pediatric Anesthesiology)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

MRS. LAUREN ASHLEY SHARIS P.T., D.P.T

Physical Therapist

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-7216

MS. SOYUN KWAN LICSW

Social Worker (Clinical)

300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115

Suffolk County (617) 355-0567

PUJA BANKA M.D.

Pediatrics

300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115

Suffolk County (617) 355-6363

MR. COURTNEY SULLIVAN FRATTO CPNP

Nurse Practitioner (Pediatrics)

300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115

Suffolk County (857) 218-4085

DR. ELIZABETH S TAGLAUER M.D., PH.D.

Pediatrics (Neonatal-Perinatal Medicine)

300 LONGWOOD AVE
BOSTON, MA 02115

Suffolk County (617) 355-6000

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 Pablo Andres Altschwager Kreft's NPI number?

The NPI number for Pablo Andres Altschwager Kreft is 1023425832. It was assigned to this individual provider in the NPPES registry on July 14, 2014.

Where is Pablo Andres Altschwager Kreft located?

Pablo Andres Altschwager Kreft practices at 300 Longwood Ave Fegan 4, Boston, MA 02115. The listed phone number is (617) 355-8761.

What is Pablo Andres Altschwager Kreft's specialty?

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

Is Pablo Andres Altschwager Kreft enrolled in Medicare?

Yes. Pablo Andres Altschwager Kreft is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Pablo Andres Altschwager Kreft's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Pablo Andres Altschwager Kreft reassigns Medicare benefits to 2 organizations: Childrens Hospital Ophthalmology Foundation Inc (Boston, MA) and Massachusetts Eye And Ear Associates, Inc. (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Pablo Andres Altschwager Kreft's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Pablo Andres Altschwager Kreft accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Pablo Andres Altschwager Kreft 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 Pablo Andres Altschwager Kreft affiliated with any hospitals?

According to CMS data, Pablo Andres Altschwager Kreft is affiliated with Massachusetts Eye And Ear Infirmary -.

When was this NPI record last updated?

The NPPES record for Pablo Andres Altschwager Kreft was last updated on January 29, 2025. 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.