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DR. WILLIAM HARDY LONGFELLOW M.D.
NPI 1669886545
Internal Medicine in Rancho Mirage, CA

Active since June 18, 2014PECOS EnrolledAccepts Medicare Assignment
71780 SAN JACINTO DR STE H1, RANCHO MIRAGE, CA 92270(760) 340-6777 Get Directions Write a Review

NPPES record last updated: December 23, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 23, 2020, Mar 17, 2018, Jul 31, 2017 (3 updates tracked since 2017).

About Dr. William Hardy Longfellow M.d. NPPES

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

DR. WILLIAM HARDY LONGFELLOW M.D. (NPI 1669886545) is an individual internal medicine provider in Rancho Mirage, California, licensed in California (A169852) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, maintains a secondary practice location in Darby, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1669886545
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM HARDY LONGFELLOWCredential: M.D.
Location Address71780 SAN JACINTO DR STE H1Rancho Mirage, CA 92270-5518
Mailing Address71780 San Jacinto Dr Ste H1Rancho Mirage, CA 92270-5518 · (760) 898-2963
Phone(760) 340-6777
Sole ProprietorYes
Medical School CMSOtherGraduated 2014
Enumeration DateJune 18, 2014
Last NPPES UpdateDecember 23, 20203 updates tracked since enumeration
NPPES CertifiedDecember 22, 2020
✔ NPI 1669886545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in CA · A169852✔ Licensed in VA · 0101262895
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.
71780 SAN JACINTO DR STE H1, Rancho Mirage, CA 92270
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Secondary Practice Location 1

Location 11500 Lansdowne AveDarby, PA 19023-1200 · Phone (610) 237-4000

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

Dr. William Hardy Longfellow 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 ID7214259217
PECOS Enrollment IDI20221024002714
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 5

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
394 services127 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
85 services84 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
47 services18 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
39 services39 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
25 services24 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92270 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
$136.04 typical visit price
range $59.60 – $179.42
Typical copayment $34.01 (range $14.90 – $44.85)
Most-billed visit code 99204
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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.

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 William Longfellow's NPI number?

The NPI number for William Longfellow is 1669886545. It was assigned to this individual provider in the NPPES registry on June 18, 2014.

Where is William Longfellow located?

William Longfellow practices at 71780 San Jacinto Dr Ste H1, Rancho Mirage, CA 92270. The listed phone number is (760) 340-6777.

What is William Longfellow's specialty?

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

Is William Longfellow enrolled in Medicare?

Yes. William Longfellow 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.

When was this NPI record last updated?

The NPPES record for William Longfellow was last updated on December 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.