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DAVID I KROHN M.D.
NPI 1689643298
Internal Medicine in Wellesley, MA

Active since March 16, 2006PECOS Enrolled
230 WORCESTER ST, INTERNAL MEDICINE, WELLESLEY, MA 02481(781) 431-5205(781) 431-5465 Get Directions Write a Review

NPPES record last updated: June 27, 2011. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About David I Krohn M.d. NPPES

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

DAVID I KROHN M.D. (NPI 1689643298) is an individual internal medicine provider in Wellesley, Massachusetts, licensed in Massachusetts (41934) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1689643298
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDAVID I KROHNCredential: M.D.
Location Address230 WORCESTER ST, INTERNAL MEDICINEWellesley, MA 02481-5420
Mailing Address147 Milk St, Provider Enrollment - 9th FloorBoston, MA 02109-4806 · (617) 559-8374
Phone(781) 431-5205
Fax(781) 431-5465
Sole ProprietorNo
Enumeration DateMarch 16, 2006
Last NPPES UpdateJune 27, 2011
✔ NPI 1689643298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MA · 41934
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.
230 WORCESTER ST, Wellesley, MA 02481
Open in Google Maps ↗

Other Identifiers 6

OtherB51045MA · Blue Cross
Other714566MA · Tufts
Medicaid2072726MA
OtherPV995MA · Harvard Pilgrim
Medicare UPINB73298MA
Medicare PINB51045MA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David I Krohn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Signify Health Medical Associates Of New Jersey, LLC
214 mi
General Practice
116 VILLAGE BLVD STE 200
Princeton, NJ 08540
  • Reassigned Medicare billing, New Jersey enrollment
  • 421 clinicians in this Medicare group
NPI 1174187728 (877) 868-5351
Lakewood Resource And Referral Center Inc
217 mi
Federally Qualified Health Center (FQHC)
1771 MADISON AVE
Lakewood, NJ 08701
  • Reassigned Medicare billing, New Jersey enrollment
  • 149 clinicians in this Medicare group
NPI 1083748297 (732) 364-2144

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02481 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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

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.

JAMES M. DONOVAN PHD
Psychologist
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5270
JEAN D HORST NP
Nurse Practitioner (Pediatrics)
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5200
LINDA ANN RAFTERY NP
Nurse Practitioner (Adult Health)
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5200
SUSAN JO ROBERTS NP
Nurse Practitioner (Adult Health)
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5200
DEBRA A BRADFORD NP
Nurse Practitioner (Adult Health)
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5200
JULIA Y LOGAN M.D.
Obstetrics & Gynecology
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5400
IDA P GORENBURG M.D.
Internal Medicine
230 WORCESTER ST, INTERNAL MEDICINE
WELLESLEY, MA 02481
Norfolk County (781) 431-5220
PHYLLIS BLUHM PA
Physician Assistant (Medical)
230 WORCESTER ST
WELLESLEY, MA 02481
Norfolk County (781) 431-5200

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 David Krohn's NPI number?

The NPI number for David Krohn is 1689643298. It was assigned to this individual provider in the NPPES registry on March 16, 2006.

Where is David Krohn located?

David Krohn practices at 230 Worcester St Internal Medicine, Wellesley, MA 02481. The listed phone number is (781) 431-5205.

What is David Krohn's specialty?

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

Is David Krohn enrolled in Medicare?

Yes. David Krohn is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for David Krohn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Krohn reassigns Medicare benefits to 2 organizations: Signify Health Medical Associates Of New Jersey, LLC (Princeton, NJ) and Lakewood Resource And Referral Center Inc (Lakewood, NJ). 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 David Krohn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David Krohn was last updated on June 27, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.