INGA T LENNES M.D.
NPI 1427134568
Internal Medicine - Hematology & Oncology in San Francisco, CA

Active since October 31, 2006PECOS EnrolledAccepts Medicare Assignment
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 885-3882(415) 353-7151 Get Directions Write a Review

NPPES record last updated: November 29, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Inga T Lennes M.d. NPPES

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

INGA T LENNES M.D. (NPI 1427134568) is an individual hematology & oncology provider in San Francisco, California, licensed in California (C193160) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains a secondary practice location in Boston, and is a graduate of University Of Massachusetts Medical School (2003).

NPPES Registry Identity

NPI1427134568
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameINGA T LENNESCredential: M.D.
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address1825 4th St Fl 6San Francisco, CA 94143-2350 · (415) 885-3882 · Fax (415) 353-7151
Fax(415) 353-7151
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2003
Enumeration DateOctober 31, 2006
Last NPPES UpdateNovember 29, 2024
NPPES CertifiedNovember 29, 2024
✔ NPI 1427134568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · C193160
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 226555 (MA)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 226555 (MA)
1825 4TH ST FL 6, San Francisco, CA 94143

Secondary Practice Location 1

Location 1M.G.H.,Yawkey Cancer Center, 55 Fruit StreetBoston, MA 02114 · Phone (617) 724-4000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Inga T Lennes M.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 ID8022118942
PECOS Enrollment IDI20240525000430
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

5

Medicare enrollment records show Inga Lennes reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Endocrinology, Diabetes & Metabolism
1600 DIVISADERO ST
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 2,112 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group

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 94143 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
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143

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 Inga Lennes's NPI number?

The NPI number for Inga Lennes is 1427134568. It was assigned to this individual provider in the NPPES registry on October 31, 2006.

Where is Inga Lennes located?

Inga Lennes practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 885-3882.

What is Inga Lennes's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Inga Lennes enrolled in Medicare?

Yes. Inga Lennes 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.

Which organizations bill Medicare for Inga Lennes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Inga Lennes reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (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 Inga Lennes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Inga Lennes accept?

Health plans from Taro Health list Inga Lennes 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.

When was this NPI record last updated?

The NPPES record for Inga Lennes was last updated on November 29, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.